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Optimal design of the regenerative gas turbine engine with isothermal heat addition

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  • Erbay, L. Berrin
  • Göktun, Selahattin
  • Yavuz, Hasbi

Abstract

A regenerative gas turbine engine, with isothermal heat addition, working under the frame of a Brayton cycle has been analyzed. With the purpose of having a more efficient small-sized gas turbine engine, the optimization has been carried out numerically using the maximum power (MP) and maximum power density (MPD) method. The effects of internal irreversibilities have been considered in terms of the isentropic efficiencies of the turbine and compressor and of the regenerator efficiency. The results summarized by figures show that the regenerative gas turbine engine, with isothermal heat addition, designed according to the maximum power density condition gives the best performance and exhibits highest cycle efficiencies.

Suggested Citation

  • Erbay, L. Berrin & Göktun, Selahattin & Yavuz, Hasbi, 2001. "Optimal design of the regenerative gas turbine engine with isothermal heat addition," Applied Energy, Elsevier, vol. 68(3), pages 249-264, March.
    • Handle: RePEc:eee:appene:v:68:y:2001:i:3:p:249-264
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    References listed on IDEAS

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    1. Erbay, L.Berrin & Yavuz, Hasbi, 1997. "Analysis of the stirling heat engine at maximum power conditions," Energy, Elsevier, vol. 22(7), pages 645-650.
    2. Wu, Chih & Chen, Lingen & Sun, Fengrui, 1996. "Performance of a regenerative Brayton heat engine," Energy, Elsevier, vol. 21(2), pages 71-76.
    3. Erbay, L. Berrin & Yavuz, Hasbi, 1999. "Analysis of an irreversible Ericsson engine with a realistic regenerator," Applied Energy, Elsevier, vol. 62(3), pages 155-167, March.
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    Cited by:

    1. Ramakrishnan, Sankaran & Edwards, Christopher F., 2014. "Maximum-efficiency architectures for steady-flow combustion engines, II: Work-regenerative gas turbine engines," Energy, Elsevier, vol. 72(C), pages 58-68.
    2. Ramakrishnan, Sankaran & Edwards, Christopher F., 2016. "Maximum-efficiency architectures for heat- and work-regenerative gas turbine engines," Energy, Elsevier, vol. 100(C), pages 115-128.
    3. Dong-Jin Cho & Eul-Bum Lee & Jae-Min Cho & Douglas Alleman, 2019. "Reducing the Superheating of Extraction Stream on Advanced-Ultra Super Critical Power Plants with Regenerative Turbines in South Korea: An Economic Analysis," Energies, MDPI, vol. 12(9), pages 1-22, May.
    4. Chenqi Tang & Lingen Chen & Huijun Feng & Wenhua Wang & Yanlin Ge, 2020. "Power Optimization of a Modified Closed Binary Brayton Cycle with Two Isothermal Heating Processes and Coupled to Variable-Temperature Reservoirs," Energies, MDPI, vol. 13(12), pages 1-21, June.
    5. Kayadelen, Hasan Kayhan & Ust, Yasin, 2017. "Thermodynamic, environmental and economic performance optimization of simple, regenerative, STIG and RSTIG gas turbine cycles," Energy, Elsevier, vol. 121(C), pages 751-771.
    6. Lingen Chen & Chenqi Tang & Huijun Feng & Yanlin Ge, 2020. "Power, Efficiency, Power Density and Ecological Function Optimization for an Irreversible Modified Closed Variable-Temperature Reservoir Regenerative Brayton Cycle with One Isothermal Heating Process," Energies, MDPI, vol. 13(19), pages 1-23, October.

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