All Stories

  1. Life cycle assessment of hydrochar production from sugar beet pulp: analyzing post-drying techniques

    Article • Sustainable Energy Technologies and Assessments, January 2026, Elsevier

    Professor Onder ALTUNTAS

  2. From scrap tyres to jet fuel: Hydrogen integration and economic feasibility within a circular economy framework

    Article • International Journal of Hydrogen Energy, October 2025, Elsevier

    Professor Onder ALTUNTAS

  3. Innovative utilization of organic cabin waste for hydrogen production: A case study at Antalya Airport

    Article • Waste Management, September 2025, Elsevier

    Professor Onder ALTUNTAS

  4. A comprehensive analysis of the production of H2 and value-added chemicals from the electrolysis of biomass and derived feedstocks

    Article • Biomass and Bioenergy, January 2025, Elsevier

    Professor Onder ALTUNTAS

  5. Thermal Performance, Indoor Air Quality, and Carbon Footprint Assessment in Airport Terminal Buildings

    Article • Buildings, December 2024, MDPI AG

    Professor Onder ALTUNTAS

  6. Bioethanol production from edible insect excreta: a case study on frass from house crickets

    Article • Biofuel Research Journal, December 2024, Greenwave Publishing of Canada

    Professor Onder ALTUNTAS

  7. Exergetic, economic and exergy-based sustainability analysis of a power generation system with CO2 capture and methanol production

    Article • Energy Reports, December 2024, Elsevier

    Professor Onder ALTUNTAS

  8. Analyzing the influence of feedstock selection in pyrolysis on aviation gas turbine engines: A study on performance, combustion efficiency, and emission profiles

    Article • Proceedings of the Institution of Civil Engineers - Energy, October 2024, Elsevier

    Professor Onder ALTUNTAS

  9. Energy efficiency and sustainability: Implementing circular economy principles for cabin waste management in aviation

    Article • Energy for Sustainable Development, August 2024, Elsevier

    Professor Onder ALTUNTAS

  10. Environmental and second law analysis of a turbojet engine operating with different fuels

    Article • Proceedings of the Institution of Civil Engineers - Energy, December 2023, Elsevier

    Professor Onder ALTUNTAS

  11. Exergetic assessment of an solar powered stand-alone system using liquid organic hydrogen carrier for energy storage

    Article • Solar Energy, November 2023, Elsevier

    Professor Onder ALTUNTAS

  12. Deceleration Behavior of Super-Lightweight XPS Foams: Number of Layers Effect

    Article • October 2023, Springer Science + Business Media

    Professor Onder ALTUNTAS

  13. Taking Off for Net-Zero Aviation: Sustainability Policies and Collaborative Industry Actions

    Article • September 2023, Emerald

    Professor Onder ALTUNTAS

  14. Dynamic performance and sustainability assessment of a PV driven Carnot battery

    Article • Proceedings of the Institution of Civil Engineers - Energy, September 2023, Elsevier

    Professor Onder ALTUNTAS

  15. Utilization of renewable and sustainable aviation biofuels from waste tyres for sustainable aviation transport sector

    Article • Proceedings of the Institution of Civil Engineers - Energy, August 2023, Elsevier

    Professor Onder ALTUNTAS

  16. Assessing the global warming potential of aircraft gas turbine materials: Impacts and implications

    Article • Process Safety and Environmental Protection, July 2023, Elsevier

    Professor Onder ALTUNTAS

  17. Proposal of novel exergy-based sustainability indices and case study for a biomass gasification combine cycle integrated with liquid metal magnetohydrodynamics

    Article • Process Safety and Environmental Protection, June 2023, Elsevier

    Professor Onder ALTUNTAS

  18. Anti-impact and vibration-damping design of cork-based sandwich structures for low-speed aerial vehicles

    Article • Archives of Civil and Mechanical Engineering, February 2023, Springer Science + Business Media

    Professor Onder ALTUNTAS

  19. Energy-Absorbing and Eco-Friendly Perspectives for Cork and WKSF Based Composites under Drop-Weight Impact Machine

    Article • Machines, November 2022, MDPI AG

    Professor Onder ALTUNTAS

  20. Sustainability analyses of photovoltaic electrolysis and magnetic heat engine coupled novel system used for hydrogen production and electricity generation

    Article • Sustainable Energy Technologies and Assessments, August 2022, Elsevier

    Professor Onder ALTUNTAS

  21. Exergoeconomic and exergoenvironmental analyses of the piston aero engine: in-cylinder application

    Article • International Journal of Exergy, January 2022, Inderscience Publishers

    Professor Onder ALTUNTAS

  22. Exergoeconomic and exergoenvironmental analyses of the piston aero engine: in-cylinder application

    Article • International Journal of Exergy, January 2022, Inderscience Publishers

    Professor Onder ALTUNTAS

  23. Aeroengines: Principles, Components, and Eco-friendly Trends

    Article • January 2022, Springer Science + Business Media

    Professor Onder ALTUNTAS

  24. Enhanced life cycle modelling of a micro gas turbine fuelled with various fuels for sustainable electricity production

    Article • Renewable and Sustainable Energy Reviews, October 2021, Elsevier

    Professor Onder ALTUNTAS

  25. Novel combined extended-advanced exergy analysis methodology as a new tool to assess thermodynamic systems

    Article • Energy Conversion and Management, May 2021, Elsevier

    Professor Onder ALTUNTAS

  26. Exergetic Investigation of a Turboshaft Helicopter Engine Related to Engine Power

    Article • SAE International Journal of Aerospace, October 2020, SAE International

    Professor Onder ALTUNTAS

  27. Investigation of indoor air quality and thermal comfort condition in airport terminal buildings

    Article • Aircraft Engineering and Aerospace Technology, September 2020, Emerald

    Professor Onder ALTUNTAS

  28. VSI: Environment & Energy

    Article • Journal of Environmental Management, September 2020, Elsevier

    Professor Onder ALTUNTAS

  29. Lead emissions from the use of leaded avgas in Turkey

    Article • Aircraft Engineering and Aerospace Technology, August 2020, Emerald

    Professor Onder ALTUNTAS

  30. The analysis of emission values from commercial flights at Dalaman international airport Turkey

    Article • Aircraft Engineering and Aerospace Technology, August 2020, Emerald

    Professor Onder ALTUNTAS

  31. Comparing different piston-prop aircraft engines with combustion efficiency and exergy

    Article • Journal of Thermal Analysis and Calorimetry, June 2020, Springer Science + Business Media

    Professor Onder ALTUNTAS

  32. An analysis on energy performance indicator and GWP at Airports; a case study

    Article • Energy Sources Part A Recovery Utilization and Environmental Effects, May 2020, Taylor & Francis

    Professor Onder ALTUNTAS

  33. Thermoecologic Assessment and Life Cycle–Based Environmental Pollution Cost Analysis of Microgas Turbine

    Article • Journal of Environmental Engineering, January 2020, American Society of Civil Engineers (ASCE)

    Professor Onder ALTUNTAS

  34. Optimum Insulation Thickness for Cooling Applications Using Combined Environmental and Economic Method

    Article • November 2019, Springer Science + Business Media

    Prof. Dr. Tahir Hikmet KARAKOC, Professor Onder ALTUNTAS

  35. Calculating Endogenous and Exogenous Exergy Destruction for an Experimental Turbojet Engine

    Article • International Journal of Turbo and Jet Engines, March 2019, De Gruyter

    Prof. Dr. Tahir Hikmet KARAKOC, Professor Onder ALTUNTAS

  36. LCA of the maintenance of a piston-prop engine

    Article • Aircraft Engineering, January 2019, Emerald

    Prof. Dr. Tahir Hikmet KARAKOC, Professor Onder ALTUNTAS

  37. Comparative analysis of various refrigerants used in transport refrigeration based on thermodynamics and environmental performances and cold chain management

    Article • International Journal of Global Warming, January 2019, Inderscience Publishers

    Prof. Dr. Tahir Hikmet KARAKOC, Professor Onder ALTUNTAS

  38. Exergetic approach to determine optimum insulation thickness for cooling applications with life cycle integrated economic analysis

    Article • International Journal of Exergy, January 2019, Inderscience Publishers

    Prof. Dr. Tahir Hikmet KARAKOC, Professor Onder ALTUNTAS

  39. Sustainable Aviation

    Article • January 2019, Springer Science + Business Media

    Prof. Dr. Tahir Hikmet KARAKOC, Professor Onder ALTUNTAS

  40. Comparative analysis of various refrigerants used in transport refrigeration based on thermodynamics and environmental performances and cold chain management

    Article • International Journal of Global Warming, January 2019, Inderscience Publishers

    Professor Onder ALTUNTAS

  41. Fundamentals of Sustainability

    Article • January 2019, Springer Science + Business Media

    Professor Onder ALTUNTAS

  42. Energy Management at the Airports

    Article • January 2019, Springer Science + Business Media

    Professor Onder ALTUNTAS

  43. Effect of ammonia fuel fraction on the exergetic performance of a gas turbine

    Article • Energy Procedia, July 2018, Elsevier

    Professor Onder ALTUNTAS

  44. Aircraft fuel system energy and exergy analysis under hot day conditions

    Article • International Journal of Exergy, January 2018, Inderscience Publishers

    Professor Onder ALTUNTAS

  45. Aircraft fuel system energy and exergy analysis under hot day conditions

    Article • International Journal of Exergy, January 2018, Inderscience Publishers

    Prof. Dr. Tahir Hikmet KARAKOC, Professor Onder ALTUNTAS

  46. Exergy and Energy Analysis of an Aircraft Air Cycle Machine at Designated Altitude

    Article • January 2018, Springer Science + Business Media

    Prof. Dr. Tahir Hikmet KARAKOC, Professor Onder ALTUNTAS

  47. Economic and Environmental Optimization of an Airport Terminal Building’s Wall and Roof Insulation

    Article • Sustainability, October 2017, MDPI AG

    Professor Onder ALTUNTAS

  48. Energy, exergy analysis, and sustainability assessment of different engine powers for helicopter engines

    Article • International Journal of Green Energy, August 2017, Taylor & Francis

    Professor Onder ALTUNTAS, Prof. Dr. Tahir Hikmet KARAKOC

  49. Assessment of a ramjet engine for different Mach numbers

    Article • International Journal of Sustainable Aviation, January 2017, Inderscience Publishers

    Professor Onder ALTUNTAS

  50. Assessment of thermodynamic and environmental performances in subcooling process for different refrigerants

    Article • International Journal of Exergy, January 2017, Inderscience Publishers

    Professor Onder ALTUNTAS

  51. Assessment of thermodynamic and environmental performances in subcooling process for different refrigerants

    Article • International Journal of Exergy, January 2017, Inderscience Publishers

    Prof. Dr. Tahir Hikmet KARAKOC, Professor Onder ALTUNTAS

  52. Exergy as a useful tool for the performance assessment of aircraft gas turbine engines: A key review

    Article • Progress in Aerospace Sciences, May 2016, Elsevier

    Yasin Şöhret, Professor Onder ALTUNTAS, Prof. Dr. Tahir Hikmet KARAKOC

  53. Performance Evaluation of an Experimental Turbojet Engine

    Article • International Journal of Turbo and Jet Engines, January 2016, De Gruyter

    Yasin Şöhret, Prof. Dr. Tahir Hikmet KARAKOC, Professor Onder ALTUNTAS, Selcuk Ekici

  54. Sustainability Metrics of a Small Scale Turbojet Engine

    Article • International Journal of Turbo and Jet Engines, January 2016, De Gruyter

    Yasin Şöhret, Prof. Dr. Tahir Hikmet KARAKOC, Selcuk Ekici, Professor Onder ALTUNTAS

  55. Sustainable Aviation

    Article • January 2016, Springer Science + Business Media

    Prof. Dr. Tahir Hikmet KARAKOC, Professor Onder ALTUNTAS

  56. Sustainability Assessment in Piston-Prop Helicopter Engine

    Article • January 2016, Springer Science + Business Media

    Prof. Dr. Tahir Hikmet KARAKOC, Professor Onder ALTUNTAS

  57. Assessment of thermodynamic performance and exergetic sustainability of turboprop engine using mixture of kerosene and methanol

    Article • International Journal of Exergy, January 2016, Inderscience Publishers

    Professor Onder ALTUNTAS, Prof. Dr. Tahir Hikmet KARAKOC

  58. Investigation of thermodynamic performance based on the humidity effect in the aircraft environmental control systems

    Article • International Journal of Sustainable Aviation, January 2015, Inderscience Publishers

    Prof. Dr. Tahir Hikmet KARAKOC, Professor Onder ALTUNTAS

  59. Comparison of Auxiliary Power Unit (APU) and Ground Power Unit (GPU) with Life Cycle Analysis in Ground Operations: A Case Study for Domestic Flight in Turkey

    Article • Applied Mechanics and Materials, October 2014, Trans Tech Publications

    Prof. Dr. Tahir Hikmet KARAKOC, Professor Onder ALTUNTAS

  60. Exergoeconomic Environmental Optimization of Piston-Prop Aircraft Engines

    Article • International Journal of Green Energy, September 2014, Taylor & Francis

    Prof. Dr. Tahir Hikmet KARAKOC, Professor Onder ALTUNTAS

  61. A Parametric Study of a Piston-Prop Aircraft Engine Using Exergy and Exergoeconomic Analysis Methods

    Article • International Journal of Green Energy, September 2014, Taylor & Francis

    Prof. Dr. Tahir Hikmet KARAKOC, Professor Onder ALTUNTAS

  62. Designation of Environmental Impacts and Damages of Turbojet Engine: A Case Study with GE-J85

    Article • Atmosphere, May 2014, MDPI AG

    Professor Onder ALTUNTAS

  63. Environmental measurements at Monte Cimone GAW station

    Article • International Journal of Global Warming, January 2014, Inderscience Publishers

    Professor Onder ALTUNTAS

  64. Calculation of domestic flight-caused global warming potential from aircraft emissions in Turkish airports

    Article • International Journal of Global Warming, January 2014, Inderscience Publishers

    Professor Onder ALTUNTAS

  65. Environmental impact assessment of a turboprop engine with the aid of exergy

    Article • Proceedings of the Institution of Civil Engineers - Energy, September 2013, Elsevier

    Professor Onder ALTUNTAS

  66. Calculation of HC, CO and NOx from civil aviation in Turkey in 2012

    Article • International Journal of Environment and Pollution, January 2013, Inderscience Publishers

    Prof. Dr. Tahir Hikmet KARAKOC, Professor Onder ALTUNTAS

  67. Investigation of environmental impact caused by aircraft engines

    Article • International Journal of Global Warming, January 2013, Inderscience Publishers

    Prof. Dr. Tahir Hikmet KARAKOC, Professor Onder ALTUNTAS

  68. Assessment of Energy Efficiencies and Environmental Impacts of Railway and Bus Transportation Options

    Article • January 2013, Springer Science + Business Media

    Professor Onder ALTUNTAS

  69. Exergoenvironmental analysis of piston-prop aircrafts

    Article • International Journal of Exergy, January 2012, Inderscience Publishers

    Prof. Dr. Tahir Hikmet KARAKOC, Professor Onder ALTUNTAS