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 Articles will not be published until the final proofs are validated by their authors.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 (5 papers in press)


Regular Issues


  • Particle filter based integrated navigation for quadrotors   Order a copy of this article
    by Ilkay Gumusboga, Emre Kiyak 
    Abstract: In this work, in order to achieve increased positioning accuracy, a particle filter based integrated navigation system is designed for a rotary wings unmanned aerial vehicle (UAV). As the navigation problem has highly non-linear characteristics on the system and measurement models, the designed algorithm which is based on particle filter works more effectively with respect to Kalman filter-based algorithms which have strict linearity assumptions. In order to verify the proposed algorithm, firstly the designed navigation system is tested with a flight scenario planned in an only simulation environment. After that, the designed algorithm is tested with the data acquired on a real rotary wings system in the laboratory for a different number of particles separately and it has been shown to produce satisfactory results. In this study, an integrated navigation solution having high accuracy and reliability was calculated for a quadrotor having six degrees of freedom.
    Keywords: navigation; particle filter; quadrotor; estimation.

  • Fully Morphing Aircraft Structures: Studies from the Department of Aerospace Engineering, METU, Ankara, Turkey   Order a copy of this article
    by Yavuz Yaman 
    Abstract: This study explains the fully morphing aerospace structures by giving special references to the contributions made by the Department of Aerospace Engineering group of Middle East Technical University, Ankara, Turkey.
    Keywords: Fully Morphing Structures; Unmanned Aircraft; Smart Structures.

  • A Novel Two and Half Dimensional Method for Emissions Prediction of a Reverse Flow Combustor   Order a copy of this article
    Abstract: Development efforts to reduce pollutants such as NOx and CO produced by fossil-fuelled systems such as gas turbine engines have become a necessity. The realization of these efforts in conceptual and detailed design phases before production is very important in terms of reducing the time and costs of the projects. In spite of rapid computer technology development, it is still a difficult and time consuming process to calculate the minor chemical species such as NOx and CO which are released during combustion process. In this study, a methodology is proposed to predict the emissions of a reverse flow combustor of a 1000 horsepower turbo-shaft helicopter engine in the design process. In this methodology, the temperature and mass flow values are obtained by CFD simulations and the CRN model is constructed by using these values. A MATLAB based tool was developed for Chemical Reactor Network (CRN) modelling. And obtained results were compared with empirical correlations.
    Keywords: Reverse Flow Combustor; Chemical reactor network (CRN); CFD; NOx; CO; turbo shaft engine emission.

    by Hadi Jafarzadeh 
    Abstract: The future challenge of civil aviation industries will be autonomous air lines that in addition to providing of travel requirements with full safety for passengers and cargo owners, it must has economical savings and benefits for air fleets owners too. The first step in this way is understanding and investigating safe and secure communication methods with proper data transfer speeds that are required for the autonomous airplanes avionics and navigation systems . synchronous, with notice to existing or under developing methods to establish reliable data links for civil aviation, should also look at used technologies in UASs and facilities whom provided for them in accordance with the ICAO and FAA standards. Issues such as redundancy, security and hacking , urban environment health due to the usage of data transmission frequencies and etc, are the major challenges along this path. In this article, after introducing and familiarizing with an autonomous airline and its benefits ,related aircraft and some explanations about communication protocols that can be used for airline autonomy, some of ahead challenges have been addressed and proposed for future work.
    Keywords: Autonomous;UAS ;data link ; Frequency; Civil aviation ;UAV; Airline; Communication protocols.

  • Exergo-economic Analysis of a Hybrid anode and cathode Recycling SOFC/Stirling Engine for Aviation Applications   Order a copy of this article
    by Ehsan Gholamian, Pouria Ahmadi, Pedram Hanafizadeh 
    Abstract: This paper presents an application of solid Oxide fuel cell/Stirling cycle for the aviation applications. Exergy and exero-economic are applied to enhance the understanding of the system performance. Among various kinds of fuel cells, the one with anode and cathode recycling unit is more complex and more effective. Here, a combined cycle based on a methane fueled SOFC and an Stirling engine is proposed and analyzed. EES is used to simulate the system and analyze the results. Results show that with integration of Stirling engine to the SOFC, exergy efficiency increases about 13.66%. Results also demonstrate that air heat Exchanger, SOFC and afterburner have the highest exergy destruction respectively. In addition, exergo-economic results show that the highest and the lowest exergo-economic factors are for the SOFC stack (77.93%) and AHX (2.269%) respectively and thus exergy destruction rate in AHX and investment costs in SOFC should decrease
    Keywords: SOFC/Stirling; Anode and cathode recycle; aviation; exergo-economic.