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The Effect of Thermochemical Non-Equilibrium on the Aerodynamics of Osculating-Cone Waverider

[+] Author Affiliations
Zhen Liu, Liu Jun, Ding Feng, Xia Zhixun

National University of Defense Technology, Changsha, China

Paper No. GT2016-56929, pp. V05CT18A007; 8 pages
doi:10.1115/GT2016-56929
From:
  • ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition
  • Volume 5C: Heat Transfer
  • Seoul, South Korea, June 13–17, 2016
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-4980-4
  • Copyright © 2016 by ASME

abstract

The influence of thermochemical non-equilibrium effect towards the aerodynamic performances of an osculating-cone waverider is analyzed in this paper, and the osculating-cone waverider is typical configuration of near space vehicles. Two different gas models, namely thermochemical non-equilibrium and perfect gas models are employed. The obtained results show that the thermochemical non-equilibrium effect is significant near the windward boundary layer at the tail of the waverider, and the non-equilibrium effect makes the pressure center of the osculating-cone waverider move forward by about 1.33% of the whole craft’s length at the altitude of 55km, and this must be taken into consideration in the balance design of aircraft.

Copyright © 2016 by ASME

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