During transient start-up and shutdown of rocket engines under sea-level conditions, the flow inside the supersonic part of the nozzle separates from the wall. The separated flow is asymmetrically distributed around the circumference and hence induces side loads. A cold flow subscale test campaign was carried out at DLR to study a device that reduces the side loads of a thrust-optimized parabolic nozzle under transient conditions. A detailed parametrical study was performed. The experimental data demonstrated and quantified the side load reduction potential of the device.
Optimization of a Rocket Nozzle Side Load Reduction Device
Journal of Propulsion and Power ; 32 , 6 ; 1395-1402
2016-06-30
8 pages
Article (Journal)
Electronic Resource
English
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