Turbulence Flow Analysis of Low Temperature Propellant Flowing through Pipes of Filling System

Jian Jun Song; Xiao Ping Du; Ji Guang Zhao; Jing Peng Chen; Qiao Wang; Bi Ming Feng; Xin Li; Yu Jiang

doi:10.4028/www.scientific.net/KEM.480-481.585

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 480-481Turbulence Flow Analysis of Low Temperature...

Turbulence Flow Analysis of Low Temperature Propellant Flowing through Pipes of Filling System

Abstract:

With aiming at the problem of liquid hydrogen flowing through filling system in space launch site, the author set up a turbulence model and coupled with the analysis of turbulence condition of liquid hydrogen in tube. Based on the computational fluid dynamics, the flow field was studied according to the numerical simulation method. Then, the changes of flow parameters i.e. pressure and velocity at the tube were observed. Simulation results showed that, in the inlet-section, there existed boundary-layer, besides, the velocity and pressure which changed continually was not stable until the liquid hydrogen flowed through on-way. In addition, in water-carrying section of turbulence flow, the velocity distribution was even and there was no obvious delamination which explained that the mix was intense. The velocity near the surface of the tube was about zero and the pressure turned to smaller with the increase of tube length. As a result of the pressure drop, there existed the loss of on-way. The above simulation results which provided the theoretical basis for liquid hydrogen study accorded with the actual condition.

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Periodical:

Key Engineering Materials (Volumes 480-481)

Pages:

585-589

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.480-481.585

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Online since:

June 2011

Authors:

Jian Jun Song, Xiao Ping Du, Ji Guang Zhao, Jing Peng Chen, Qiao Wang, Bi Ming Feng, Xin Li, Yu Jiang

Keywords:

Filling System, Flow Turbulence, Liquid Hydrogen, Space Launch Site

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