Forthcoming articles

International Journal of Environment and Sustainable Development

International Journal of Environment and Sustainable Development (IJESD)

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International Journal of Environment and Sustainable Development (34 papers in press)

Regular Issues

  • Bio-chemical changes in sugarcane pressmud combination and its assessment on Chick-pea and Spinach variety   Order a copy of this article
    by AMOL CHOUGULE, SHEKHAR MALI, Pallavi Bhosale, P.D. RAUT 
    Abstract: The study was carried out to understand the influence of pressmud enriched with isolated microflora of pressmud on laboratory scale pot experiments with Chickpea, Cicer arietinum and Spinach, Spinacia oleracea and recorded physico-chemical characters of soil and the phyto-chemical characters of Chickpea and Spinach. Initially, physico-chemical characters of pressmud (PM), composted pressmud (CPM) and enriched composted pressmud (ECPM) were studied for pH, moisture content, water holding capacity, total organic carbon, organic matter, nitrogen, potassium and phosphorous. Experiments were conducted with combinations of soil without pressmud (T0), soil with CPM (T1) and soil with ECPM (T2). T2 shows maximum i.e. 2.01 %, 1.03 % and 0.29 % of NPK. T2 observed promising growth for chlorophyll, ascorbic acid, polyphenols, proline, protein, indole acetic acid, total amino acids and flavonoids. It also resulted in maximum Chlorophyll content 12.43 mg / 100 gms, and 112.94 mg / 100 gms, Ascorbic acid 1235 mg / 100 gms and 1332 mg / 100 gms, Flavonoids is 0.38 mg / 100 gms and 0.35 mg / 100 gms and Amino acids 1.80 mg / 100 gms and 0.58 mg / 100 gms for Chickpea and Spinach respectively. The experiments suggest that the combination of soil with ECPM gives good results and can be practiced in the fields.
    Keywords: Keywords: Pressmud; Enriched Pressmud; Compost; Chickpea; Spinach.

  • Experimental Investigation on Cooling Cogeneration Plant for low Temperature Waste Heat Recovery Process   Order a copy of this article
    by Shankar R 
    Abstract: The integration of the aqua-ammonia vapor absorption refrigeration cycle (VAR) and Kalina cycle system (KCS) at suitable conditions minimizes the components and input energy. This integration will solve the cooling and power demand faced by the emerging world. The aqua-ammonia VAR cycle and Kalina Cycle are integrated to produce a combined output of power and cooling at low temperature is proposed which can be used for the heat recovery process. Three pressure viz condensing pressure, source and sink pressure is maintained for the operation of the system. The common components of the pump, separator, superheater, turbine, condenser, and absorber are shared. Aqua-ammonia is used as a working fluid for combined power and cooling cycle, in that 25% is ammonia, and 75% weight capacity is water. The vapor ammonia produced in the separator runs the turbine after heated up in the superheater and expanded from source pressure to condensing pressure. The liquid ammonia is further expanded from condensing pressure to sink pressure to achieve the cooling effect. The power and cooling output of 3.15 kW and 9.0 kW are obtained experimentally at the hot fluid supply temperature of 129 ?C. The maximum energy utilization factor (EUF) of 0.225 is obtained and it is further increased by rising ammonia concentration and hot fluid supply temperature. The proposed system is suitable for both domestic and industrialist applications.
    Keywords: VAR; Aqua-ammonia; Cogeneration; heat recovery; combined power and cooling; Kalina cycle etc.

  • Economic Determinants of Deforestation in Developing Countries   Order a copy of this article
    by Collins Ayoo 
    Abstract: Forests are an important natural resource that provide to society several valuable goods and services that include timber, fuel, food, chemicals, medicines, climate regulation, and soil protection. Forests in several developing countries are however being destroyed at a rapid rate with adverse impacts such as increased soil erosion, loss of biodiversity, and increased emissions of greenhouse gases that cause climate change. The causes of deforestation are complex and diverse and depend on the socioeconomic, political, cultural, legal and institutional contexts of the countries in which the affected forests are situated. This paper examines the deforestation trends in developing countries and discusses the key drivers of deforestation in these countries. The paper also identifies and discusses measures that can be used to reduce deforestation. The insights that this paper provides can be practically applied to formulate policies, strategies and plans for improving forest management and enhancing both their economic contribution and their role in sustainable development.
    Keywords: Forests; deforestation; sustainable development; biodiversity; poverty.

  • Feasibility analysis of admitting Gasified Waste Vegetable Oil & Non Edible Oil Blends with Diesel in CI Engine   Order a copy of this article
    by Karthikeyan M, Premkumar D, Supochang Walling, Sanjaykumar C, Kirubakaran V 
    Abstract: The disposal of used Waste Vegetable Oil is a significant concern from the pollution point of view. Several studies have already been made to produce biodiesel / blending with Diesel in CI engines. However, the cost benefit analysis makes this process non-viable. Also, several works of literature are available in the admitting of non-edible oil blends in CI engines. This paper analyzes the admitting the gasified Waste Vegetable Oil (WVO) with Non-Edible Oil (NEO) in CI engine. The mixture of WVO and NEO has been auto-gasified before admitting them in CI engine. Auto gasification is converting the solid combustible waste into the gaseous product with bio-oxygen and catalytic ash. This way, the temperature of the gasification process is reduced and makes direct admission is feasible. From the various trails, it has been found that the optimized performance ratio for the WVO and NEO mixture is 50:50. The cost-benefit analysis of bio diesel production and usage in CI engine has been analyzed and reported in this paper. The EIA of WVO disposal has also been carefully analyzed and reported.
    Keywords: Waste Vegetable Oil; Non Edible Oil; CI Engine.

  • An integrated model of sustainable consumption promotion based on the tripod of democratic-participatory ideal Civil Society, Government, and Market   Order a copy of this article
    by Verônica Macário De Oliveira, Carla Regina Pasa Gómez, Adriana Fumi Chim-Miki, Suzanne Érica Nóbrega Correia 
    Abstract: Promotion of sustainable consumption in developing countries in a systematic perspective is still an unexplored topic in the literature. This paper identifies the central role of stakeholders in promoting sustainable consumption. From a first literature review, an initial set of parts in the process of promoting sustainable consumption was extracted. Subsequently, qualitative research using the Policy Delphi method was conducted to assign the respective degree of importance to each role of the stakeholder and to, eventually, confirm the structure of a proposed model. Based on the perceptions of a panel of experts, an integrated model of the roles of promoting sustainable consumption based on the ideal democratic-participatory tripod, involving civil society, government and lending, was validated. The panel consisted of forty experts in the field distributed into four groups, namely, scholars, government, firms, and civil society. The results indicated the relevance of thirty-five from the thirty-eight analysed roles to promote sustainable consumption. 40% are in the category of "critically important," 60% are "very important," and 7.8% is not important. Results suggested that the issues regarding sustainable consumption include both consumption and production, imposing the necessity of action and articulation among distinct groups to obtain necessary changes. However, there is a concentration on the meta-level and government to promote sustainable consumption in developing countries.
    Keywords: Sustainable consumption; Tripod of democratic-participatory ideal; Policy Delphi; Developing countries.

  • Real-time Water Quality Monitoring for Distribution Networks in IoT Environment   Order a copy of this article
    by Punit Khatri, Karunesh Kumar Gupta, Raj Kumar Gupta 
    Abstract: Water quality has always been a significant concern worldwide as a large portion of accessible water is either contaminated or polluted, which can spread serious diseases like dysentery, diarrhea, and cholera. Before consumption, the water quality should be tested to reduce the risk of infection. In real-time applications, the traditional approach for water quality monitoring is not appropriate, as on-site water sample collection is often a cost-intensive and time-consuming process. This paper introduces a real-time assessment of water quality parameters in distribution systems employing Raspberry Pi and Arduino development boards. The parameters were chosen based on the different categories identified by the Central Pollution and Control Board, Govt. of India. An Arduino development board was used at the sensing node for water quality sensor interfacing, data acquisition, and transmission to the wireless sensor network via Zigbee. Raspberry Pi was used at the server to collect data and upload data on the cloud platform. The Thingspeak cloud platform was used for IoT implementation. The results were validated with the reference instrument.
    Keywords: Water quality; traditional approach; Water quality sensors; Raspberry Pi; Arduino; Thingspeak; Zigbee module.

  • Green and blue infrastructure: Means of reducing surface temperatures in the urban environment   Order a copy of this article
    by Jan Sedlá?ek, Martin Hais, Kristýna Pouchová 
    Abstract: Climate change may accelerate the Urban Heat Island (UHI) effect with many consequences for the well-being of human populations in cities. Green and blue infrastructures (GBI) are presented as a way to mitigate the UHI effect. In our study, the influence of GBI (primarily less studied types) on surface temperature (ST) was tested using a thermal camera. Various types of GBI (e. g. tree shade and lawn) and their combination were compared. The studied GBI, including less common forms such as containers with ornamental plants, green roofs and fountains, reduced daytime ST. Moreover, they reduced the thermal amplitudes of surrounding areas (up to 30 m). The results imply that besides larger GBI (e.g. parks, rivers) smaller structures may significantly decrease the UHI effect. We recommend a combination of both blue and green structures especially in street canyons and the use of green roofs and walls when the space for adding GBI is limited.
    Keywords: surface temperature; urban climate; microclimate; urban heat island; green infrastructure; blue infrastructure; greenery; vegetation; green roof; green wall; fountain; well-being; tree shade; climate change; thermal amplitudes.

  • Small hydropower development in Ukraine under global climate change patterns: is state economic support sufficient?   Order a copy of this article
    by Tetiana Kurbatova, Sotnyk Iryna 
    Abstract: During the last 30 years, significant changes happened in seasonal river hydrology in Europe due to climate change. Warm winters made more water inflows for small hydropower plants during the cold periods while hot and dry summers shortened water amounts during the warm seasons. Nevertheless, according to the analysis presented in this paper, the total water runoff for hydropower generation did not changed. The last fact is an important policy implication for small hydropower promotion in Eastern Europe and Ukraine in particular since it belongs to that region and has similar climate conditions. Having analysed the hydropower potential and plant specifics, the paper describes the main advantages and limitations for implementing small hydropower potential at the example of Ukraine. The latter has significant reserves to use the energy of small rivers, which have been implemented by less than 1%. In order to find ways to promote small hydropower development, a sufficiency of state economic support was estimated. The pricing of electricity generated by an average small hydropower plant in Ukraine is determined by Levelized Cost Electricity method and compared with the recent feed-in tariff. Our calculations show that the feed-in tariff is 1.4 times higher than the electricity generation cost, which makes the construction and operation of small hydropower plants profitable for investors. Although the state provides sufficient economic support for this sector development, the financial and non-economic barriers significantly hinder small hydropower plant deployment. The suggested policy recommendations for small hydropower promotion include long-term lending financing programmes for small hydropower plant construction, the proper state strategy for the industry development, strengthening the environmental requirements for existing and new small hydropower facilities, along with the transparency of state support mechanisms over the construction and operation of small hydropower plants.
    Keywords: small hydropower; renewable energy; policy; feed-in tariff; LCOE; economic support; Ukraine.

  • An urban ecology approach to land-cover changes in the Adyar sub-basin: comparative analysis of NDWI, NDVI and NDBI using remote sensing   Order a copy of this article
    by Mythili Madhusudhan, N.K. Ambujam 
    Abstract: The impacts of urbanisation may be social, environmental or ecological. In this paper, studies on the characteristics of urbanisation and its impacts in Chennai, India, particularly the South Chennai region are discussed. The study involves use of Landsat images and comparison of normalised difference vegetation index (NDVI) corresponding to mentioned dates in 1977, 1998 and 2018. Also, the normalised index for water (NDWI) and the built-up index (NDBI) are mapped and compared for the same dates. The results show that for the years 1977, 1998 and 2018, the difference between the maximum and minimum values of NDVI are found to be 1.609, 1.026 and 1.288, of NDWI are found to be 1.802, 1.239 and 1.518, and of NDBI are found to be 1.785, 0.993 and 1.036, respectively. The trends in indices for the dates considered are found to correspond to human activity and the significance of these changes is discussed.
    Keywords: urban ecology; normalised difference vegetation index; NDVI; normalised difference water index; NDWI; normalised difference built-up index; NDBI; Landsat; remote sensing; land use; South Chennai.
    DOI: 10.1504/IJESD.2021.10036758

Special Issue on: ICONRER-2019 Smart Use of Resources and Strategies for Sustainable Development

  • Experimental studies on combustion duration and ignition delay period for a newly synthesized gomutra emulsified diesel   Order a copy of this article
    by Amit Jhalani, Dilip Sharma, Shyamlal Soni, Pushpendra Kumar Sharma, Digambar Singh, Sumit Sharma 
    Abstract: Aligning to water-in-diesel emulsion technology, a newer work has been proposed in this study by introducing gomutra-in-diesel emulsion (GMD emulsion) fuel for application in CI engine. Experimental investigations have been performed in this study for ignition delay and combustion duration to understand the underlying mechanisms of combustion with this fuel. The complete work has been performed over a VCR (variable compression ratio) stationary diesel engine. Emulsions of different gomutra-in-diesel (5%, 10%, 15% and 20%) concentrations were taken for the study. The ignition delay was found to be 24
    Keywords: Diesel engine; Gomutra; Combustion Duration; Ignition Delay; Emissions; Emulsified fuel.

  • A review on Emissions Reduction Techniques used in Internal Combustion Engines   Order a copy of this article
    by Digambar Singh, Dilip Sharma, S.L. Soni, Sumit Sharma, Pushpendra Kumar Sharma, Amit Jhalani 
    Abstract: Continuous growing population and a rise in living standards are creating widespread use of vehicles. Motor vehicle emissions contribute significantly to air pollution and other adverse environmental and health effects. The primary contaminants from internal combustion (I.C.) engines are NOx, CO, CO2, unburnt hydrocarbons (HC), and PM. Their control strategies were considered seriously throughout the discussion. This analysis summarizes emissions from both compression ignition (C.I.) and spark ignition (S.I.) engines with government-setting emission regulatory standards. This article also gives detailed insight into pollution monitoring methods and their control policy for both C.I. and S.I. engines. Emissions from S.I. engines are more harmful to human health, with more CO and HC emissions in comparison with C.I. engines. CO emissions are insignificant in C.I. engines due to lean-burn nature. High temperatures and significant oxygen supply in the combustion chamber make C.I. engines prone to NOx emissions. This analysis will help researchers to obtain comprehensive emission and their reduction methodologies information for I.C. engines.
    Keywords: C. I. Engine; S. I. Engine; Emissions; Emission Measurement; Emission reduction techniques.

  • A new methodology to find out cooking energy need for a rural household   Order a copy of this article
    by Hemant Raj Singh, Dilip Sharma, Shyam Lal Soni 
    Abstract: In the era of global warming and ever rising energy demand climate justice has become the need of the hour. Sustainable solution has become the key to the success for environment. Cooking sector is considered as one of the major energy consuming sector in developing and underdeveloped countries. Inherently associated hazardous effects and energy inefficiencies of conventional biomass cooking system forces unconventional cooking energy to becoming popular day by day. In this study a new census based approach is being presented to find out cooking energy requirement of a single rural household of India. Mathematical modelling is being done while scrutinizing coke, firewood and chips, coal, and LPG as cooking fuel and by eliminating charcoal, petrol, diesel and kerosene. Exact heat Energy required per household per meal has been achieved 4212.02 kJ. Out of which vaporization of water, heating food to boiling temperature and convection losses from vessels shares 1474.21 kJ, 842.40kJ and 1895.41kJ respectively. Outcome of this study can serve a baseline for inventors, researchers and policymakers of microscale unconventional/solar cooker.
    Keywords: Stove; Cooking Energy; Modelling; Household; Solar cooking system; cooking fuel.

  • Design, development and performance analysis of modified solid fertilizer spreader equipped with air blower   Order a copy of this article
    by Chandan Kumar, K.B. Rana, M.L. Meena 
    Abstract: Development in the agricultural sector is one of the powerful ways to enhance the economic growth of country. In recent years remarkable revolution has been seen in traditional methods of agriculture such as irrigation systems, seed planting, pesticides and sprays. Cultivation includes various processes in which fertilization is one of the important processes. The fertilization is tedious and expensive process, as generally carried out by traditional method which requires lots of manual efforts. It is also very dangerous for the human health and environment, and may cause of various musculoskeletal disorders in worker's body. However, few manual and mechanically operated machines are available, but they have also some problems associated with them. Therefore, keeping in mind the needs of farmers and workers, it was proposed to design an electric power operated fertilizer spreading machine which would help them to work easily in environmentally friendly way. The performance of modified solid fertilizer spreading machine equipped with air blower was evaluated on the basis of parameters i.e., spreading distance, fertilizer discharge rate, spreading time, and operational labour cost involved in the process. From the experiments, it was found that this machine can spread the fertilizer (Urea) up to 8 m distance with discharge rate of 1050 gm/min, which is more than enough for fertilization for almost all types of crops. Using FSM, reduction in time required for fertilization (66 %) and operational labor cost (70 %) was also observed as compared to the traditional method.
    Keywords: Agriculture; solid fertilizer; DAP; urea; potassium-chloride; spreading machine.

  • Design of four-bar mechanism for vibratory tillage cultivator using five precision position method for path generation problem   Order a copy of this article
    by N. R. N. V. Gowripathi RAO, Abhijeet Kumar, Himanshu Chaudhary, Ajay Kumar Sharma 
    Abstract: Agriculture is the backbone of Indian economy. There are different agricultural operations which play a critical role in the overall crop development. Farmers are in search of sustainable technologies which can contribute to their overall economy and improve the efficiency. The paper deals to design a vibratory cultivator that saves the time and energy for the farming community. A four-bar mechanism is designed and developed to vibrate the cultivator. Proper analytical synthesis procedure is adopted, such as five precision position method for a particular vibratory tillage trajectory available from the literature. The dimensions of four-bar mechanism are validated through MATLAB, and it is confirmed that the designed four-bar mechanism traces the path accurately for vibratory tillage operation.
    Keywords: Tillage; four bar mechanism; synthesis; precision position; trajectory.

  • A comparative analysis of game theory techniques for study of energy interactions in interconnected microgrids   Order a copy of this article
    by MOHAMMAD ZEESHAN, Majid Jamil 
    Abstract: The growing energy needs of society can be met with one or more microgrids working in conjunction. A need of a trading and scheduling mechanism for energy exchange among microgrids for sustainable development of the consumers is required. Game theory techniques have been widely utilized to study this interaction among microgrids. This paper seeks to analyze the different game theory-based energy trading techniques to elaborate on such models efficiencies. The study is based on renewable energy generation and consumption in Denmark. Lexicographic egalitarian solution is proposed as a bargaining solution for two participating microgrids in an energy trading game. A comparison is performed between the proposed model and conventional techniques for inter-microgrid trading. The proposed bargaining solution depicts a fairness index of 0.974 compared to 0.946 for the Nash solution and 0.954 for the Kalai-Smorodinsky solution. The results of the proposed study provide a better insight into the various aspects of energy sharing algorithms and will help improve the utilization of green energy.
    Keywords: microgrid; game theory; distributed generation; energy trading; bargaining game.

  • A novel policy to tackle life span reassessment of existing bulk and thin film photovoltaic materials   Order a copy of this article
    by Manisha Sheoran, Pancham Kumar, Susheela Sharma 
    Abstract: With growing planetary demands of clean energy, the solar photovoltaic system electricity generation has become mandatory in todays world. At the same time when we look towards photovoltaic waste volume in India, it is estimated to burst forth to 200, 000 by 2030 and around 1.8 million tons by 2050.Therefore there is a dire need to scale up the PV recycle method from lab to full-fledged industry. Most of the developed countries such as China, UK, Japan etc. have ensued their PV scarp management policies but in context to Indian prospective it is yet to be established. The paper focuses towards the effective remedy of the environmental and socio-economic impact arising during the life span fulfillment of c-Si, CdTe, CdS, CIS. Over here a sustainable novel policy framework is put forward to potentially tackle the above mentioned problem which is still to be adopted by Indian government for further implementation.
    Keywords: Life span reassessment; Photovoltaic System; Policy; Environmental impact; Socio-economic impact.

  • Bio-oil Production from Agricultural Crop Residues - A Review   Order a copy of this article
    by Arjun Sanjay Paul, N.L. Panwar 
    Abstract: India generates approximately 500 million tons of agricultural crop residues per year. This crop residue (waste) can be converted into fuel by using thermo-chemical and bio-chemical conversion routes. Thermo-chemical conversion routes mainly include gasification, pyrolysis, and liquefaction. In recent years, the pyrolysis technology for the production of bio-oil is gaining attention globally, due to its simple and efficient conversion techniques. This paper provides the updated review of bio-oil production mainly from agricultural crop residues and focuses on the different bio-oil production techniques such as fast pyrolysis and hydrothermal liquefaction; the reactor used for bio-oil production, properties, and application of bio-oil. The bio-oil produced from agricultural residues has a heating value of between 17-21 MJ/kg, exactly half of the diesel fuel. The properties of bio-oil showed the potential ability to be used as fuel in many applications such as boiler, furnaces, and diesel engines.
    Keywords: Bio-oil; Crop residues; Fluidized bed reactor; Fast pyrolysis; Hydrothermal liquefaction.

  • Research Advancements and Challenges in the Design and Fabrication of Glass to Metal Seals for Solar Receiver Tube Applications   Order a copy of this article
    by Vinod Kumar Verma 
    Abstract: Glass to metal joints has a vast field of application due to their distinct properties in terms of electric conductivity, thermal conductivity, transparency, emissivity, reflectivity, Coefficient of Thermal Expansion (CTE), density, wettability, and crystalline structure. This wide diversification in their properties makes this combination very useful in the special application like electric feed through, Biomedical, Solid Oxide Fuel Cell (SOFC) (Donald, Mallinson, Metcalfe, Gerrard, & Fernie, 2011), Incandescent electric lamps, Semiconductors diode encapsulated in glass, high vacuum and high pressure metallic chambers and enclosures, Concentrated Solar Receiver Tubes (CSRT) etc. Due to this vast diversification in the properties of glass and metal, it also becomes more challenging to make a hermetically tight seal of glass to metal for various applications. This challenge becomes bigger when such seals are subjected to a very high temperature range, ultra-high pressure or ultra-high vacuum, and also gone through repeated number of thermal cycling over a period of time, as may be in the case of CSRT. Hence how to prepare a good quality seal for such constraints, study and control of many factors are essential covered such as Seal Design, Oxidation layer thickness, Manufacturing method, temperature and time of making seal, surface roughness, and residual stresses in glass etc. that has been vigorously studied and reported in this paper.
    Keywords: Glass to Metal Seal; Solar Receiver Tube; GM Seals; CSRT; Glass to Ceramic Joints.

  • A Review on Hybrid Nanofluid: Current Research and Sustainable Development for Turning Operation   Order a copy of this article
    by ANUP A. JUNANKAR, JAYANT K. PUROHIT, Nikhil V. Bhende 
    Abstract: Investigations on the utilization of nanofluids as a coolant for metal cutting operations have been presented very promptly and rapidly during the last few years. Despite contradiction in the presented outcomes and inadequate understanding of the phenomenon of the transfer of heat in nanofluids, it appeared as a capable coolant for metal cutting operation such as turning operation. In the extension of nanofluid research study, the eminent investigators have approached for hybrid nanofluid in recent times, which is prepared by suspending different nanoparticles with each other. The idea of utilization hybrid nanofluids is to additional enhancement of rate of heat transfer by considering benefits and drawbacks of individual nanoparticle, accredited to worthy aspect ratio, improved thermal network and synergetic influence of nanoparticles. This comprehensive review summarizes current investigations on utilization of hybrid nanofluids for turning operation. Review concluded that hybrid nanofluids are more effective than monotype of nanofluid as coolant for turning operation, accurate hybridization may help to enhancement of rate of heat transfer. But, lot of investigation is still expected in the domain of synthesis, characterization, and stability of hybrid nanofluids to overcome the effective utilization challenges.
    Keywords: Hybrid nanofluid; Sustainable Development; Turning Operation; Coolant.

  • A review on Production processes, Performance and Emissions analysis of Hydrogen as a fuel in I.C. engines   Order a copy of this article
    by Monu Rajora, Dilip Sharma, Digambar Singh, Sumit Sharma, Pushpendra Kumar Sharma, Amit Jhalani, Ipsit Mishra 
    Abstract: The energy demand increases continuously with rapid increase in worlds population,. Continuous depletion of limited non conventional energy resources forces to move towards alternate energy solution. Hydrogen is the environment friendly most promising source to meet future energy demand. Non-toxic, non-metallic and high energy content make the hydrogen as a future generation fuel. The main sources of hydrogen production are hydro, biomass, nuclear, wind, geothermal, and solar. Hydrogen can be produced from different methods like thermal, biological, electrical, and photonic. This review article provides detailed information about the production processes of hydrogen, and performance and emissions analysis of hydrogen when it is used as a fuel in internal combustion engines. Brake thermal efficiency of the engine increases with the increase of hydrogen energy share at high and moderate loads. However, at low loads, the efficiency decreases. Carbon based emissions (HC, CO, CO2) under dual-fuel mode decreases substantially at all loads due to carbon content in the fuel. This review will help researchers to get the significant details of hydrogen production processes and its optimum utilization in internal combustion engines.
    Keywords: Hydrogen; Internal combustion engines; Hydrogen Production processes; Performance analysis; Emissions analysis.

  • Grid Tied Inverters for Renewable Energy Systems A Review   Order a copy of this article
    by Sonu Kumar, Chelliah Pillai Sethuraman 
    Abstract: Grid tied inverters are used to feed power generated by the renewable energy sources to the local power grid. India has a total grid interactive renewable power capacity of 84.39 GW; consisting of solar 32.52 GW, wind 37.28 GW, small hydro 4.65 GW, and bio-power 9.94 GW. Solar and wind are most abundantly available in India and has various advantages over other energy sources, but combining these two intermittent sources for the purpose of exporting the generated power through grid tied inverter has many challenging issues. In this paper, various literatures, standards and patents are reviewed to understand the function of grid tied inverters, power quality, islanding detection, overvoltage protection and safety issues. This review can help the readers in understanding the basics of the grid tied inverters, and also provide information on selecting the suitable inverters for renewable energy applications.
    Keywords: Grid Tied Inverters and Controllers; Solar; Wind; Renewable Energy; Standards; Patents; Power Quality.

  • Study on physico-chemical treatment of effluents from biomass gasifier power generation system   Order a copy of this article
    by Sunil Narnaware, Samir Vahora 
    Abstract: The study aimed at a physico-chemical treatment of effluent/ wastewater generated from the wet scrubber unit of the biomass gasification based power generation system. A process consisting of coagulation and flocculation was used to improve the quality and recycling ability of the effluent (scrubbing water) for its reuse. A laboratory study determined the optimum dose of lime (CaOH2) as coagulant and alum (Al2 (SO4)318H2O) as flocculants in the proportion of 1:1 g/l of effluent which later applied in the field experiment. The field results showed that freshwater once used in the wet scrubber unit could be used for two more recirculation by giving physical settling treatment. Thereafter, the chemical treatment with a predetermined dose of lime and alum was given due to increased load of tar and solid particulate matter (SPM) in the wastewater which made possible to use the wastewater two more recirculation in the wet scrubber unit. After fifth-time use, the turbidity increased to 118.3 NTU which could not be brought down further with chemical treatment. The physico-chemical treatment improved the recycling ability of wastewater reducing the overall water requirement. The cost of chemical treatment for laboratory-grade chemicals was found ? 0.85 per litre of effluent and ? 0.10 per litre of effluent for commercial grade chemicals.
    Keywords: Gasifier; syngas; effluent; tar; physico-chemical treatment.

  • Forest Waste to Energy in the Himalayan Region: Technical and Economic Evaluation   Order a copy of this article
    by Arvind Singh Bisht, N.S. Thakur 
    Abstract: The Himalayan subtropical pine forests spread all over the Himalayan region. Every year during the summer season, dry leaves (pine needles) fall from the trees and cover the forest area, destroying soil fertility and also cause forest fires. The energy recovery from waste biomass through gasification process is receiving renewed interest. In this present study, pine needle biomass gasification characterization along with economics of energy generation is carried out. Results indicate that a maximum of 135 kJ /mol of energy is required for the complete gasification of pine needle biomass. The energy released per kg of pine needle gasification is found to be 15.66 MJ/kg. It produces producer gas of calorific value 5.07 MJ/Nm3. These producer gas used in 100% producer gas engine generator set for electricity generation, the levelized unit cost of Electricity (LUCE) varies between 6.5 INR/kW to 14.84 INR/kW under the different financial and operating conditions.
    Keywords: Energy; Biomass gasification; TGA; Pine needle; Kinetic investigation.

  • Recent advances in solar tunnel dryer for performance improvement in food drying process: A Review   Order a copy of this article
    by Ankit Agarwal, Kunj Bihari Rana, B. Tripathi 
    Abstract: The unexpected increase in demand and persistent shortage of fossil fuels continues the search for an alternative source of power. Solar energy is one of the sustainable and renewable sources of power that encouraged various researchers from all over the world. The production of food and its immediate consumption is the biggest problem to reduce the wastages of food. To overcome the wastage, drying is an excellent methods to preserve the food grains, fruits and vegetables. For drying, conventional drying system is sun drying which is free and renewable sources of energy. But, there are various limitations e.g. rain, dust, animals, wind and insects. The use of solar dryers can eliminate these limitations significantly and enhance the productivity of farmers towards better revenue earned. This review attempts to provide in brief the recent developments to increase the temperature of drying chamber and applications of drying technology for different foods and agricultural produce, with particular emphasis on the modifications in the dryer and process conditions. This review paper will be helpful to know about the recent trends and different useful aspects of solar tunnel dryer to the new researchers.
    Keywords: Solar energy; dryer; greenhouse; thermal performance; tunnel dryer.

  • A review of different configuration of hybrid energy systems with case study analysis   Order a copy of this article
    by Uttara Das, Sarbani Mandal, Somudeep Bhattacharjee, Champa Nandi 
    Abstract: Increasing energy demand in worldwide is directly related to the power generation process. Carbon emissions cum greenhouse gas emissions have direct contact with global warming and climate change. Energy generation from conventional power plants is the cause of a huge amount of environmental pollution. Different renewable energy sources are a great option to fulfil all the criteria as these are cost-effective, environment-friendly and abundantly found in nature. But renewable energy sources are varied in nature and for overcoming this problem; renewable energy-based hybrid system is a better solution. This paper reviews various challenges and recent developments in the area of the hybrid renewable energy system and also reviewing a backup system like pumped hydro energy storage system (PHES). We also discuss some real-world case studies of renewable energy-based hybrid power plants adopted in various parts of the world. This paper concludes with suggestions for future research opportunities in this field.
    Keywords: renewable energy; hybrid system; greenhouse gas reduction; cost-reduction; backup system; pumped hydro energy storage system; PHES.
    DOI: 10.1504/IJESD.2021.10037896
  • Technical feasibility study and optimisation analysis on solar-biomass based pumped storage hydropower plant   Order a copy of this article
    by Somudeep Bhattacharjee, Champa Nandi 
    Abstract: The potential of hydroelectric plants in north-eastern region is very much promising for supplying electricity. But the reservoirs of hydroelectric plants are facing water shortage during the lean season, which results in a very low power generation. Gumti hydroelectric plant generates power to diminish the power crisis of Tripura but it remains inoperative during the lean season due to the shortage of water. Therefore, this study proposes advancement to Gumti hydroelectric plant in Tripura by designing a hybrid energy system using renewable energy sources to supply a dependable, continuous and economical power supply. This study includes optimisation analysis by utilising real-time data of renewable energy sources, which help us to understand the extent of power generation and its cost of energy. The results of this study indicate that a hybrid system is a viable option as compared to a single hydroelectric plant in maintaining the continuity of power supply.
    Keywords: climate change; solar power; hydro power; bio power; pumped storage system; hybrid energy system; optimisation.
    DOI: 10.1504/IJESD.2021.10037897
  • Financial Feasibility of Solar PV Lanterns for Households of a Remote Village Cluster without Access to Electricity   Order a copy of this article
    by Devendra Kumar Doda, Mahesh Bundele, Amit Shrivastava, Tara Chandra Kandpal 
    Abstract: In this study, the financial feasibility assessment of adopting state-of-the- art designs of solar PV lanterns by the households of a remote village cluster in the state of Rajasthan, India has been undertaken. LED based solar PV lanterns are expected to save kerosene and meet their lighting energy demand. Based on a survey of the village cluster, the household level requirement of solar PV lanterns (three numbers each with a 3W LED lamp), annual kerosene saving (approximately 100 liters) and the values of several measures of financial performance include Discounted Payback Period (merely 4.7 years), Net Present Value (Rs. 11263/-) and Benefit to Cost Ratio (2.37) has been estimated. From a financial perspective an investment in the solar PV lanterns by a household appears to be quite attractive and may be explored by Energy Service Companies. The results of detailed calculation undertaken have been presented in the paper and discussed.
    Keywords: Environmental emissions; Financial Feasibility analysis; Lighting energy demand; Payback period; Solar PV lantern; Sustainability.

  • A building bio-climatic design tool incorporating passive strategies in residential dwellings design of composite climate of India   Order a copy of this article
    by Sanjay Kumar, Anuj Mathur, K.B. Rana, Chandan Kumar 
    Abstract: The objective of the present work is to assess the potential of different passive design strategies using the bio-climatic approach in residential spaces under diverse climatic conditions across the composite climate in India. For this purpose, a modified building bio-climatic design chart based on composite climate specific adaptive thermal comfort zone (CZ) has been used. The climates of four major cities namely Delhi, Jaipur, Lucknow, and Hyderabad having geographical and climatic variation within composite climate, have been selected for bio-climatic analysis using Typical Meteorological Year (TMY) data. The results from the bio-climatic analysis showed that comfort can vary 30% to 60% of the total time during summer and 43% to 70% of the total time during the winter season, respectively. During warmer half of the year (MarchOctober) natural ventilation, sun shading, and direct evaporative cooling proved to be the better choice for passive cooling. For hot and humid areas, like Hyderabad in composite climate, natural ventilation, shading and direct evaporative cooling showed more potential for indoor comfort. However, passive solar heating only provides the noticeable result for improving indoor comfort conditions during the colder half of the year (NovemberFebruary) for all selected cities. It was also noted that relying entirely on these passive design strategies to maintain thermal comfort is not possible and conventional cooling and heating is required for a considerable time. Finally, this study put forward a guideline matrix for the use of passive design schemes in buildings for composite climate of India.
    Keywords: Bio-climatic design chart; Adaptive comfort zone; Passive design; Composite climate; India;.

  • Enhancement of Quality of Polypropylene by Optimization of Injection Molding Parameters with Genetic Algorithm   Order a copy of this article
    by Deepak Kumar, G.S. Dangayach, P.N. Rao 
    Abstract: Plastic injection molding (PIM) represents one of the most vital processes in the mass production of precise plastic parts with intricate geometries. Polypropylene (PP) is widely used material related to plastic parts for automobile and packaging industry. It was observed that thermal shrinkage and warpage in plastic parts are most prominent defects and affects the quality of plastic parts. In this paper, a methodology has been exhibited for reducing the thermal shrinkage and warpage with the maximization of impact strength (IS) of virgin Polypropylene (PP). To obtain the optimum values of Injection molding parameters Taguchi orthogonal array (OA) was used. Overall, six parameters were chosen for the experiment. The linear graph was utilized to know the effectiveness and interactions of the parameters. Thus, with Taguchi method minimum thermal shrinkage 4.67 %, minimum warpage 1.8 mm and maximum impact strength 56.7 J/m was obtained in PP specimens. With this methodology, prediction equations and mathematical models for thermal shrinkage, warpage and IS of PP were developed successfully which are useful for industrial applications. With multi objective genetic algorithm, these mathematical models were optimized.
    Keywords: Plastic injection molding; Taguchi’s orthogonal array; ANOVA; thermal shrinkage; warpage; impact strength; Polypropylene; multi objective genetic algorithm (MOGA).

  • Analysis of Biochar from Carbonization of Wheat Straw using Continuous Auger Reactor   Order a copy of this article
    by Ashish Pawar, N.L. Panwar 
    Abstract: The agricultural residue is considered as one of the promising organic biomass materials for getting energy-rich products (such as biochar, bio-oil, and syngas, etc.) via. thermochemical conversion route. In current study the biochar was produced from wheat straw using continuous auger reactor and analysis of produced biochar in terms of product yield, energy yield, and its physicochemical composition. Carbonization of wheat straw was carried out in a continuous auger reactor at four different temperatures i.e., 350, 400, 450, 500 oC by keeping a 5 min of residence time respectively. The maximum mass and energy yield of wheat straw biochar was recorded at 400 oC. The wheat straw to biochar conversion efficiency in a continuous auger reactor was about 30%. The higher heating value (HHV) of produced biochar was varied from 20-23 MJ/kg, so it indicates biochar can efficiently use in thermal applications. The physicochemical characterization of biochar produced at 400 oC was also carried out at bioenergy laboratory. The obtained biochar showed higher carbon content of 70 %, H/C and O/C ratio were found to be 0.022 and 0.29, respectively.
    Keywords: Wheat straw; Energy; Biochar; Carbonization; Auger reactor; Agro waste.

  • Comparative Study of MPPT Techniques for Solar PV Based System   Order a copy of this article
    by Ram Singh Yadav, Dheeraj Dhaked, Ashish Jaiswal 
    Abstract: Abstract: Electrical power generated from solar power plant is growing enormously due to increasing usage of green and environmentally friendly energy sources and insufficiency of traditional fuels like coal reservoirs, gas and fossil fuels etc. the relevance of renewable energy source (RES) like solar photo voltaic (PV) and wind energy are rapidly growing. RES is helpful to reduce the environment pollution. Due to intermittent nature of RES, the parametric control is needed in Distributed Generation (DG). In projected study, solar PV is used for generation of electrical power. PV module is used for system designing and coupled with system load through DC/DC power converters. The perturb and observe (P&O) and variable step size incremental conductance (VSS-IC) based optimization techniques are utilized with buck- boost converters (DC/DC converter) to examine different outcomes. This study shows comparative investigation of the maximum power point tracking (MPPT) methods with VSS-IC and P&O for Solar PV system. The parameters used for investigation are output power and voltage from DC/DC converters. The arrangement is considered in MATLAB/SIMULINK software. On the basis of investigation carried out, the outcomes for different temperature and irradiation with VSS-IC controller, P&O and without controller with buck-boost converter are shown in results.
    Keywords: Solar PV; MPPT Technique; Optimization; P&O; DC-DC converter.

  • Effect of B20 and B30 Jatropha Biodiesel Blends on Combustion Characteristics of Mullite Coated LHR DI Diesel Engine   Order a copy of this article
    by Sharad Jagtap, Anand Pawar, Subhash Lahane 
    Abstract: For conform suitability of biodiesel in an internal combustion engine, the improved performance and reduced emission characteristics are required. These characteristics belong to combustion characteristics of fuel. In present experimental analysis, various combustion characteristics of conventional and modified engine are analysed for the use of biodiesel blend fuels. For modification, Oerlikon Metco-6150 (Al2O3 + SiO2) mullite powder material was coated on the crown of the piston, cylinder head and both valves of single cylinder DI diesel engine. Coating was carried out by using atmospheric plasma spray process. Characteristics from both engine operations by using two jatropha biodiesel blends (B20 and B30) were compared with the diesel fuelled CE operation. Ignition delay with biodiesel blends B20 and B30 at CE operation was decreased by 0.49 and 0.54 ?CA respectively. It was further reduced during LHRE operation. Similarly, the MRPR with biodiesel blends B20 and B30 at CE operation was decreased by 0.42 bar/?CA and 0.54bar/?CA respectively. While this MRPR it is slightly higher in LHRE but it was less than fossil diesel fuelled CE operation. By this way, the variations in pressure, temperature, premixed, diffused, after burning, combustion duration, etc. and their effects were discussed.
    Keywords: Diesel engine; Biodiesel; METCO 6150 Mullite material; LHR engine.

  • Wind speed trend analysis along the Indian coast for 40 years   Order a copy of this article
    by Bhasuru Abhinaya Srinivas, Surendra Singh Kachhwaha, Nagababu Garlapati 
    Abstract: Wind power is increasingly harnessed to provide electricity generation with negligible carbon emission. Wind energy resource is vulnerable to climate change. Understanding the effect of climate change is necessary in order to estimate the wind power potential and to plan the installation of wind turbines. Wind speed trend analysis will help to understand the impact of climate change on wind resources. The present study investigates the variation in wind speed at six locations along the Indian coast using the ERA-Interim reanalysis data which is obtained from the European Centre for Medium-Range Weather Forecasts (ECMWF) over a period of 40 years from 1979 to 2018. The cumulative changes and variation in trends for wind speed are computed by first-degree polynomial regression analysis. Further, annual variability, seasonal variability and cumulative changes in the wind power density are also calculated. From the results, it is observed that the annual trend of wind speeds is increasing in two locations, whereas decreasing in the remaining four locations. The maximum cumulative change in wind speed of 2.5% occur at Rameshwaram location with increasing trend of 0.04 m/s/decade. The extreme values of wind power density were observed during the post-monsoon season; decrement of 40% at Jakhau location and, the increment of 24.78% at Rameshwaram location. Rameshwaram and Kanyakumari locations are having an incremental trend of wind speeds and rest of four locations are identified with a decrement in wind speeds trend.
    Keywords: Climate change; ECMWF; Wind speed; trend analysis; Indian coast.

Special Issue on: ICONRER-2019 Smart Use of Resources and Strategies for Sustainable Development

  • Selection of Phase Change Material for Thermal Energy Storage Integrated with Solar Powered Vapor Absorption System Using MADM Tools   Order a copy of this article
    by Dinesh Kumar Sharma, Dilip Sharma, Ahmed Hamza H. Ali 
    Abstract: In the present study, 13 phase change materials (PCMs) are first scrutinized from the commercially available PCMs for temperature operating range from 90 to 120
    Keywords: phase change material; multi attribute decision making; solar vapor absorption system; analytical hierarchy process; multi objective decision making.