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Numerical Model of a Variable-Combined-Cycle Engine for Dual Subsonic and Supersonic Cruise

Author

Listed:
  • Victor Fernandez-Villace

    (Von Karman Institute for Fluid Dynamics, Chaussée de Waterloo 72, Rhode-St-Genèse, Belgium)

  • Guillermo Paniagua

    (Von Karman Institute for Fluid Dynamics, Chaussée de Waterloo 72, Rhode-St-Genèse, Belgium)

Abstract

Efficient high speed propulsion requires exploiting the cooling capability of the cryogenic fuel in the propulsion cycle. This paper presents the numerical model of a combined cycle engine while in air turbo-rocket configuration. Specific models of the various heat exchanger modules and the turbomachinery elements were developed to represent the physical behavior at off-design operation. The dynamic nature of the model allows the introduction of the engine control logic that limits the operation of certain subcomponents and extends the overall engine operational envelope. The specific impulse and uninstalled thrust are detailed while flying a determined trajectory between Mach 2.5 and 5 for varying throttling levels throughout the operational envelope.

Suggested Citation

  • Victor Fernandez-Villace & Guillermo Paniagua, 2013. "Numerical Model of a Variable-Combined-Cycle Engine for Dual Subsonic and Supersonic Cruise," Energies, MDPI, vol. 6(2), pages 1-32, February.
    • Handle: RePEc:gam:jeners:v:6:y:2013:i:2:p:839-870:d:23497
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    Citations

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    Cited by:

    1. Wang, Cong & Cheng, Kunlin & Qin, Jiang & Shao, Jiahui & Huang, Hongyan, 2022. "Performance comparison of three chemical precooled turbine engine cycles using methanol and n-decane as the precooling fuels," Energy, Elsevier, vol. 249(C).
    2. Szymon Fulara & Maciej Chmielewski & Marian Gieras, 2020. "Variable Geometry in Miniature Gas Turbine for Improved Performance and Reduced Environmental Impact," Energies, MDPI, vol. 13(19), pages 1-19, October.
    3. Wang, Cong & Yu, Xuanfei & Pan, Xin & Qin, Jiang & Huang, Hongyan, 2022. "Thermodynamic optimization of the indirect precooled engine cycle using the method of cascade utilization of cold sources," Energy, Elsevier, vol. 238(PB).
    4. Dong, Pengcheng & Tang, Hailong & Chen, Min & Zou, Zhengping, 2018. "Overall performance design of paralleled heat release and compression system for hypersonic aeroengine," Applied Energy, Elsevier, vol. 220(C), pages 36-46.

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