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Methods for the design of energy efficient high speed aerospace vehicles

Published online by Cambridge University Press:  03 February 2016

D. Riggins ,
T. Taylor ,
L. Terhune  and
D. Moorhouse
D. Riggins
Affiliation:
University of Missouri – Rolla, Rolla, Missouri, USA
T. Taylor
Affiliation:
University of Missouri – Rolla, Rolla, Missouri, USA
L. Terhune
Affiliation:
University of Missouri – Rolla, Rolla, Missouri, USA
D. Moorhouse
Affiliation:
University of Missouri – Rolla, Rolla, Missouri, USA United States Air Force Research Laboratory, Dayton, Ohio, USA
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Abstract

This paper continues development of the fundamental analytical science, methodology and tools required for the analysis, design, and optimisation of high speed aerospace vehicles in terms of the efficient use of on-board energy. Specifically, it presents the complete second-law characterisation and related system-level energy management effectiveness for high-speed vehicles (coupling both aerodynamic and propulsive subsystems). Modelling of the fluid dynamics utilises high-level (multi-dimensional) flow-fields representative of generic configurations of interest. Capability has been recently developed which allows detailed second-law performance audits in terms of the ‘common currency’ of entropy generation for high-speed vehicles (involving complete synthesis of both internal and external flow-fields, i.e. both aerodynamic and propulsive sub-systems). This capability is now extended to encompass and utilise multi-dimensional flow-fields generated by computational fluid dynamics solvers, including Navier-Stokes solvers. Furthermore, the methodology is shown in this paper to provide insight and fundamental direction for management of onboard energy (‘price paid’) for maximum performance missions.

Type
Research Article
Information
The Aeronautical Journal , Volume 111 , Issue 1119 , May 2007 , pp. 297 - 309
Copyright
Copyright © Royal Aeronautical Society 2007 

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