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http://dx.doi.org/10.20910/JASE.2020.14.5.91

Management of Test Facility for Tests of Liquid Rocket Engine on Off-Design Condition  

Yu, Byungil (Engine Test and Evaluation Team, Korea Aerospace Research Institute)
Kim, Hongjip (Department of Mechanical Engineering, Chungnam National University)
Han, Yeongmin (Engine Test and Evaluation Team, Korea Aerospace Research Institute)
Publication Information
Journal of Aerospace System Engineering / v.14, no.5, 2020 , pp. 91-99 More about this Journal
Abstract
A liquid rocket engine goes through many tests to prove its performance before liftoff. It means the tests for setting ignition and start-up conditions or a test on design condition, which verifies the design performance. However, the development process requires verification of performance under off-design conditions through tests involving different operating conditions, which affects the duration of engine development. The off-design performance test is performed by altering the conditions of the propellant supplied to the engine in conjunction with the engine performance test that varies the opening of the control valves in the engine. This paper is based on the results of the engine tests performed at the KSLV-II engine test facilities in the Naro Space Center and describes the operations of the test facility for off-design condition test that changes the inlet conditions of the turbo-pump due to changes in the pressure and temperature of the propellant supplied to the test engines.
Keywords
Liquid Rocket Engine; Engine Test Facility; LOx; Kerosene; Pneumo-hydraulic System;
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