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http://dx.doi.org/10.6108/KSPE.2020.24.1.009

Configuration Design, Hot-firing Test and Performance Evaluation of 200 N-Class GCH4/LOx Small Rocket Engine (Part II: Steady State-mode Ground Hot-firing Test)  

Kim, Min Cheol (Department of Mechanical Engineering, Pukyong National University)
Kim, Young Jin (Department of Mechanical Engineering, Pukyong National University)
Kim, Jeong Soo (Department of Mechanical Engineering, Pukyong National University)
Publication Information
Journal of the Korean Society of Propulsion Engineers / v.24, no.1, 2020 , pp. 9-16 More about this Journal
Abstract
A performance evaluation of the 200 N-class GCH4/LOx small rocket engine was performed through ground hot-firing test. As a result, the combustion pressure and thrust raised with the increase of the oxidizer supply pressure, and thus the specific impulse, characteristic velocity, and their efficiency increased. The characteristic velocity was measured at about 90% performance efficiency. The change of chamber aspect ratio did not affect the performance of the rocket engine in the test condition specified. In addition, uncertainty evaluation was conducted to ensure the reliability of the test results.
Keywords
Methane; Ground Hot-firing Test; Rocket Engine; Performance Evaluation; Uncertainty;
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
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