面对称重复使用运载器尾部喷流风洞试验

doi:10.7527/S1000-6893.2020.24043

Abstract

Abstract: The characteristics of engine-jet interference are highly significant for the design of symmetric reusable vehicles. A jet experiment under the condition of subsonic/transonic flight was performed in the wind tunnel FD-12 at China Academy of Aerospace Aerodynamics. This experiment used the normal temperature compressed air as the high temperature fuel gas of the engine-jet. Similar parameters of the experiment include geometry dimensions of the vehicle, flight Mach number of the vehicle, Mach number of the exit on the engine nozzle, and the static pressure ratio of the engine nozzle exit to the faraway inflow. Experimental results show that the engine-jet effect on the aerodynamic characteristics of the vehicle and the hinge moment of the body flap varies with the Mach number of inflow, the deflection angle of the nozzle, and the body flap.

Key words: symmetric reusable vehicles, engine jet, body flap, subsonic/transonic, wind tunnel experiment

CLC Number:

V211.7

LIU Jieping, MA Yuanhong, CAI Qiaoyan, REN Shaojie, WANG Suning, YANG Zimeng. Wind tunnel experiment on supersonic exhaust flow of symmetric reusable space vehicles[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2021, 42(2): 624043-624043.

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Wind tunnel experiment on supersonic exhaust flow of symmetric reusable space vehicles

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