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Experimental and simulation testing of thermal loading in the jet tabs of a thrust vector control system

By Živković Saša Ž., Milinović Momčilo M., Stefanović Predrag Lj., Pavlović Pavle B. and Gligorijević Nikola I.

Abstract

The paper discusses the temperature changes in mechanical jet tabs in a system of rocket motor thrust vector control, estimated by the simulation and experimental tests methodology. The heat transfer calculation is based on complex computational fluid dynamics simulations of both the nozzle and external tab flows, as the comprehensive integral flow zones with high flow parameters gradients. Due to a complexity of the model for flow calculations, the experimental estimation of the calculated results is carried out. The temperature is measured by jet tabs embedded thermocouples, and conducted through the rocket motor static tests. A good agreement of the calculated and measured results is achieved. The main aim of the developed method is to establish an approved calculation tool for designing new TVC systems in order to avoid disadvantages due to overheating

Topics: thrust vectoring, rocket motor, jet tabs, thermal loading, thermocouples, heat transfer, computational fluid dynamics, Mechanical engineering and machinery, TJ1-1570
Publisher: VINCA Institute of Nuclear Sciences
Year: 2016
DOI identifier: 10.2298/TSCI150914208Z
OAI identifier: oai:doaj.org/article:95d7a71aab3e4869be89f80a4e047ff3
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