THERMAL SCIENCE

International Scientific Journal

Saša Živković

,

Momčilo Milinović

,

Predrag Lj Stefanović

,

Pavle Pavlović

,

Nikola Gligorijević

EXPERIMENTAL AND SIMULATION TESTING OF THERMAL LOADING IN THE JET TABS OF A THRUST VECTOR CONTROL SYSTEM

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.
KEYWORDS
thrust vectoring, rocket motor, jet tabs, thermal loading, thermocouples, heat transfer, computational fluid dynamics
PAPER SUBMITTED: 2015-09-14
PAPER REVISED: 2015-12-01
PAPER ACCEPTED: 2015-12-02
PUBLISHED ONLINE: 2015-12-19
DOI REFERENCE: https://doi.org/10.2298/TSCI150914208Z
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2016, VOLUME 20, ISSUE Supplement 1, PAGES [S275 - S286]
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Experimental and simulation testing of thermal loading in the jet tabs of a thrust vector control system

© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence