Volume 33 Issue 3
Mar.  2018
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Flow control of hypersonic reentry vehicle based on multi-jets interaction[J]. Journal of Aerospace Power, 2018, 33(3): 696-702. doi: 10.13224/j.cnki.jasp.2018.03.023
Citation: Flow control of hypersonic reentry vehicle based on multi-jets interaction[J]. Journal of Aerospace Power, 2018, 33(3): 696-702. doi: 10.13224/j.cnki.jasp.2018.03.023

Flow control of hypersonic reentry vehicle based on multi-jets interaction

doi: 10.13224/j.cnki.jasp.2018.03.023
  • Received Date: 2016-08-24
  • Publish Date: 2018-03-28
  • A concept of multi-jets flow control was proposed for a hypersonic reentry vehicle. The high pressure air behind the bow shock flowed into the tunnel through the multihole head, and then sprayed out through the downstream multi-jets arrays. The 3-D Reynold-averaged Navier-Stokes (RANS) simulations based on Fluent software were conducted to study the effect of multi-jets configuration at Mach number of 6,height of 25km. The results showed that the multi-jets flow induced a drag coefficient increment for both the side-hole down-bottom (SH-DB) case and the side-hole upper-bottom (SH-UB) case. The increment of lift coefficient and head-down moment was observed for the SH-DB case, and the decrement of lift coefficient and head-up moment was observed for the SH-UB case. This study provides a method of using non-movement aerodynamic control surface to produce control moment, and also a reference for combination control of hypersonic reentry vehicle.

     

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