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Numerical calculation of energy and exergy flows of a turboshaft engine for power generation and helicopter applications

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  • Turan, Önder
  • Aydın, Hakan

Abstract

Fuel efficiency of aircraft and helicopter becomes greater concern in recent years caused by rising fuel costs and as well as environmental impact of aviation emissions. Modern helicopters, however, highly complex systems with especially turboshaft engines that produce energy and power. So it is important to gain deeper understanding energy and exergy use throughout turboshaft engine and its components. Concurrently, in this study, energy and exergy-based computational approach applied to a turboshaft engine and its components. Exergy efficiency of the axial, centrifugal compressors and power turbine is found to be between 83.8% and 88.6%, while for the combustor, the corresponding value is to be 80.60%. For the components, the greatest exergy efficiency is calculated to be 91.4% at the gas generator turbine unit. As a result of the study, the exergetic efficiency of the turboshaft has been calculated as 27.5% with 1500 kW product exergy. It is expected that numerical formulation based on energy and exergy is beneficial for assessing turboshaft performance for future rotorcraft development.

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  • Turan, Önder & Aydın, Hakan, 2016. "Numerical calculation of energy and exergy flows of a turboshaft engine for power generation and helicopter applications," Energy, Elsevier, vol. 115(P1), pages 914-923.
    • Handle: RePEc:eee:energy:v:115:y:2016:i:p1:p:914-923
    DOI: 10.1016/j.energy.2016.09.070
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    References listed on IDEAS

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    Cited by:

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    3. Balli, Ozgur, 2023. "Exergetic, sustainability and environmental assessments of a turboshaft engine used on helicopter," Energy, Elsevier, vol. 276(C).
    4. Coban, Kahraman & Colpan, C. Ozgur & Karakoc, T. Hikmet, 2017. "Application of thermodynamic laws on a military helicopter engine," Energy, Elsevier, vol. 140(P2), pages 1427-1436.
    5. Aygun, Hakan & Cilgin, Mehmet Emin & Turan, Onder, 2021. "Exergo-sustainability indicators of a target drone engine at dynamic loads," Energy, Elsevier, vol. 221(C).
    6. Pang, Liping & Ma, Desheng & Luo, Kun & Mao, Xiaodong & Yuan, Yanping, 2022. "Performance of an Integrated Thermal Management System for helicopter," Energy, Elsevier, vol. 239(PD).
    7. Aygun, Hakan & Turan, Onder, 2020. "Exergetic sustainability off-design analysis of variable-cycle aero-engine in various bypass modes," Energy, Elsevier, vol. 195(C).
    8. Aygun, Hakan & Turan, Onder, 2021. "Exergo-economic analysis of off-design a target drone engine for reconnaissance mission flight," Energy, Elsevier, vol. 224(C).
    9. Vedran Mrzljak & Igor Poljak & Maro Jelić & Jasna Prpić-Oršić, 2023. "Thermodynamic Analysis and Improvement Potential of Helium Closed Cycle Gas Turbine Power Plant at Four Loads," Energies, MDPI, vol. 16(15), pages 1-26, July.

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