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http://dx.doi.org/10.6108/KSPE.2022.26.4.064

A Study on Purge Gas Inflow according to Valve Operation Sequence during Staged Combustion Cycle Engine Reignition Test  

Hwang, Changhwan (Engine Test and Evaluation Team, Korea Aerospace Research Institute)
Lee, Jungho (Engine Test and Evaluation Team, Korea Aerospace Research Institute)
Kim, Chaehyeong (Engine Test and Evaluation Team, Korea Aerospace Research Institute)
Jeon, Jun-Su (Engine Test and Evaluation Team, Korea Aerospace Research Institute)
Park, Jae-Young (Engine Test and Evaluation Team, Korea Aerospace Research Institute)
Lee, Kwang-Jin (Engine Test and Evaluation Team, Korea Aerospace Research Institute)
Cho, Nam-Kyung (Engine Test and Evaluation Team, Korea Aerospace Research Institute)
Kim, SeungHan (Engine Test and Evaluation Team, Korea Aerospace Research Institute)
Han, Yeoungmin (Engine Development Division, Korea Aerospace Research Institute)
Publication Information
Journal of the Korean Society of Propulsion Engineers / v.26, no.4, 2022 , pp. 64-71 More about this Journal
Abstract
For the development of an improved upper-stage engine, research on a staged combustion cycle liquid rocket engine is in progress. A cold flow test, ignition test, and combustion test plans were established and performed to develop reignition combustion technology. In order to solve the problem of purge gas flowing into the fuel line, which may cause cavitation in the turbo pump during reignition, the test results of each stage were analyzed. Based on the analysis results, the purge gas inflow problem was solved by reducing the overlapping time between the operation of the bubble removal valve and the opening of the purge valve and the engine fuel valve. Based on this, the reignition combustion test was successfully performed.
Keywords
Staged Combustion Cycle; Liquid Rocket Engine; Reignition; Cold Flow Test; Purge Gas;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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