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Methodology for Performance Analysis of Aerospace Vehicles Using the Laws of Thermodynamics

Riggins, David W ; Taylor, Trent ; Moorhouse, David J

Journal of aircraft, 2006-07, Vol.43 (4), p.953-963 [Periódico revisado por pares]

Reston, VA: American Institute of Aeronautics and Astronautics

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  • Título:
    Methodology for Performance Analysis of Aerospace Vehicles Using the Laws of Thermodynamics
  • Autor: Riggins, David W ; Taylor, Trent ; Moorhouse, David J
  • Assuntos: Aircraft ; Applied sciences ; Design engineering ; Entropy ; Exact sciences and technology ; Fluid dynamics ; Ground, air and sea transportation, marine construction ; Miscellaneous transportation ; Thermodynamics
  • É parte de: Journal of aircraft, 2006-07, Vol.43 (4), p.953-963
  • Notas: ObjectType-Article-2
    SourceType-Scholarly Journals-1
    ObjectType-Feature-1
    content type line 23
  • Descrição: Theory, methodology, and example applications are developed and shown for the systematic analysis of overall vehicle forces in terms of irreversibility and heat. The methodology presented involves analyzing and deconstructing vehicle forces using individual stream tubes as components within the overall fluid control volume in which the vehicle is embedded. This provides the capability for the complete fluid/thermodynamic "audit" of vehicle performance in terms of irreversibility, combustion (heating), and fluid dynamic flow turning and area change. Sample results are shown for a simplified hypersonic vehicle configuration modeled with constant specific heats and Rayleigh heating. The role of overall entropy generation and wake mixing processes in the production of vehicle . forces in atmospheric flight is next discussed and clarified. Specifically, the direct analytical relationship between entropy, wake mixing processes, and overall force production for the vehicle is developed from fundamental considerations of the global control volume with inclusion of the wake in the analysis. This analysis is demonstrated using the same simplified high-speed configuration and is finally developed for the completely general problem of an aerospace vehicle with variable specific heats, thermal loading, variable composition, fuel injection, and chemical reaction.
  • Editor: Reston, VA: American Institute of Aeronautics and Astronautics
  • Idioma: Inglês
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