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http://dx.doi.org/10.6108/KSPE.2020.24.6.085

A Comparative Analysis for the Performance of 200 N-class Gaseous Methane-Liquid Oxygen Small Rocket Engine According to the Characteristic Length Variation  

Kang, Yun Hyeong (Department of Mechanical Engineering, Pukyong National University)
Ahn, Hyun Jong (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.6, 2020 , pp. 85-92 More about this Journal
Abstract
Ground hot-firing tests were conducted to analyze the combustion performance according to the characteristic lengths 1.37 m, 1.71 m, and 2.06 m of the combustion chamber in 200 N-class GCH4-LOx small rocket engine. Thrust, specific impulse, and characteristic velocity at the steady-state could be obtained as the key performance parameters of the rocket engine. The performance characteristics acquired through the test were compared and analyzed with the theoretical performance calculated from CEA analysis. Observation of the influence of characteristic length on the combustion performance indicates that an optimal characteristic length shall remain between 1.71 m and 2.06 m.
Keywords
Characteristic Length; Small Rocket Engine; Performance Analysis; Ground Hot-firing Test;
Citations & Related Records
Times Cited By KSCI : 8  (Citation Analysis)
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