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http://dx.doi.org/10.5139/JKSAS.2017.45.9.766

Plume Behavior Study of Apollo Lunar Module Descent Engine Using Computational Fluid Dynamics  

Choi, Wook (Department of Aerospace Engineering, Sejong University)
Lee, Kyun Ho (Department of Aerospace & System Engineering, Gyeongsang National University)
Myong, Rho Shin (Department of Aerospace & System Engineering, Gyeongsang National University)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.45, no.9, 2017 , pp. 766-774 More about this Journal
Abstract
When a plume flow exhausted from a lunar lander descent engine impinges on the lunar surface, regolith particles on the lunar surface will be dispersed due to a plume-surface interaction. If the dispersed particles collide with the lunar lander, some adverse effects such as a performance degradation can be caused. Thus, this study tried to predict the plume flow behaviors using the CFD methods. A nozzle inside region was analyzed by a continuum flow model based on the Navier-Stokes equations while the plume behaviors of the outside nozzle was performed by comparing and analyzing the individual results using the continuum flow model and the DSMC method. As a result, it was possible to establish an optimum procedure of the plume analysis for the lunar lander descent engine in the vacuum condition. In the future, it is expected to utilize the present results for the development of the Korean lunar lander.
Keywords
Lunar Module Descent Engine; Computational Fluid Dynamics; Continuum Flow Model; Direct Simulation Monte Carlo;
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Times Cited By KSCI : 3  (Citation Analysis)
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