Forthcoming articles

 


International Journal of Sustainable Aviation

 

These articles have been peer-reviewed and accepted for publication in IJSA, but are pending final changes, are not yet published and may not appear here in their final order of publication until they are assigned to issues. Therefore, the content conforms to our standards but the presentation (e.g. typesetting and proof-reading) is not necessarily up to the Inderscience standard. Additionally, titles, authors, abstracts and keywords may change before publication. Articles will not be published until the final proofs are validated by their authors.

 

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International Journal of Sustainable Aviation (4 papers in press)

 

Regular Issues

 

  • COMPARISON BETWEEN MODELLED AND MEASURED NOX CONCENTRATIONS IN AIRCRAFT PLUMES AT ATHENS INTERNATIONAL AIRPORT   Order a copy of this article
    by Kateryna Synylo, Ralf Kurtenbach, Peter Wiesen, Oleksandr Zaporozhets 
    Abstract: Although airports provide several benefits for our society, communities in the vicinity of airports are subjected to the deterioration of air quality. This environmental problem is becoming greater because of increasing air traffic, which is quite often associated with the expansion of airports and the continuous growth of moving closer and closer to airports. The analysis of emission inventories from major European and Ukrainian airports has highlighted, that aircraft are the dominant source of air pollution in most cases considered. To assess the impact of aircraft engine emissions to LAQ it is important to recall some features, which define emission and dispersion parameters of the source. The complex model PolEmiCa provides the dispersion (Pollution) and inventory (Emission) calculations for the aircraft engine emission during the LTO-cycle of the aircraft movement inside the airport area. This paper is devoted to the validation of the complex model PolEmiCa using the results of a measurement campaign at Athens International airport.
    Keywords: air pollution; aircraft engine emission; emission index; local air quality; exhaust gases jet; concentration.

  • Obstacle Detection and Collision Avoidance Using Indoor Quadrocopter   Order a copy of this article
    by Emre Kiyak, Gokhan Gol, Tahir Hikmet Karakoc 
    Abstract: In this paper, autonomous control of rotary-wing unmanned aerial vehicle is provided by avoiding obstacles indoor area. There are many GPS-based studies on controlling of quadrocopter in outdoor area in available studies. This paper unlike others provides that quadrocopter is controlled with Fuzzy and PID control techniques indoor area autonomously. This study is performed with integration the obstacle avoidance algorithm used in land robot into our system. Successful results is obtained by being tested the application in real life.
    Keywords: quadrocopter; obstacle avoidance; fuzzy controller; PID controller.

  • ECONOMIC IMPLICATIONS FOR EMISSIONS REDUCTIONS WITH EUROPEAN LOW-COST CARRIERS USING VARIOUS FUELING STRATEGIES AND OPERATIONS   Order a copy of this article
    by Kelly Whealan George, Patti Clark, Ian McAndrew 
    Abstract: Commercial aircraft produce significant amounts of CO2 emissions every time they fly and the heavier the take-off weight the greater the emissions produced. Manufacturers of engines have constantly tried to reduce pollution and CO2 to meet international and government targets but also to reduce the operational costs for the operators. Modern aircraft engines are now more reliable and efficient; however, measuring efficiency is not an easy task. Classically, the efficiency is measured when in level flight at cruising altitude and when the journey times in level flight are considerably longer than the take-off and landing. Thrust and hence power depends on the weight of the aircraft. In this paper the economic implications for Low Cost Carriers, LCC, that fly short routes is investigated. A comparison is made between flying with the minimum fuel for each flight and comparing with flights that refuel fully when at airports with lower fuel costs. The results and differences from the research are presented to show that changes will probably increase the turn-around time between flights and add operating cost; however, this will decrease the CO2 emissions. A balanced approach is suggested that will assist in reducing CO2 levels but do not add unreasonable on costs the operator and ultimately the passenger.
    Keywords: Economics; aircraft operations; CO2 emissions.

  • Assessment of a Ramjet Engine for Different Mach Numbers   Order a copy of this article
    by Süleyman Kağan AYAZ, Önder ALTUNTAŞ 
    Abstract: The aim of this study is to determine optimum working of a generic ramjet engine. A thermodynamic analysis has been performed to evaluate three different ramjet flight conditions which have been obtained by using Gasturb. The results show that the entropy production in the diffusor (by the shocks) is of much importance as the combustor. The 2 Mach flight state has the highest fuel economy in compared to 3 and 4 Mach. 4 Mach creates the most irreversible process for given conditions. 4 Mach is the vulnerable one to pressure change since it has more thrust loss against pressure increase, which may happen during descend.
    Keywords: thermodynamic analysis; ramjet engine; thermodynamic performance evaluation; thrust; impulse.