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Mixing Enhancement With Rotating Ramps in a Scramjet Engine

[+] Author Affiliations
Liang Jin, Wei Huang, Zhen Liu, Jun Liu

National University of Defense Technology, Changsha, China

Paper No. GT2016-56083, pp. V001T01A005; 8 pages
doi:10.1115/GT2016-56083
From:
  • ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition
  • Volume 1: Aircraft Engine; Fans and Blowers; Marine
  • Seoul, South Korea, June 13–17, 2016
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-4968-2
  • Copyright © 2016 by ASME

abstract

A concept of mixing enhancement forced by rotating ramps has been presented, which based on the design of stationary ramps and Rim-Rotor Rotary Ramjet Engine. The commercial software Fluent has been conducted to study the nonreacting flowfields in a transverse hydrogen fuel injection channel. The results indicate a slowly increased mixing efficiency when the ramps speed increase. As the ramps rotate at a speed of 6000rpm, the mixing efficency is almost the same as the stationary ramps case. As the ramps rotate at a speed of 54295rpm, a 10%∼20% higher mixing efficiency is obtained.

Copyright © 2016 by ASME

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