Leakage and Dispersion Modeling of Hydrogen in the Docking Process of Docking Mechanism and Exhaust Pipe of Rocket Tank

Abstract:

This paper illustrates an application of the mass transport model, turbulent model and dynamic mesh technique to the simulation of hydrogen leakage and dispersion in the Docking Process of exhaust pipe of rocket tank. Some numerical simulations are made to investigate on the effects of the tank pressure, docking mechanism and buoyancy. The experiment results indicate that tank pressure has significant influence in horizontal direction and vertical direction of hydrogen diffusion. Besides, the effects of buoyancy are slight. In addition, direction of hydrogen flow has been changed to vertical direction mostly at 2ms as a result of the action of docking mechanism, and there are no longer dangerous concentration areas of hydrogen inside the exhaust pipe after 2ms of leakage.

• Periodical: Applied Mechanics and Materials (Volumes 602-605)
• Pages: 566-570
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.602-605.566
• Online since: August 2014
• Authors: Yuan Li*, Jing Peng Chen, Cun Yan Cui, Yun Chun Jiang, Xiao Yong Li, Xing Li
• Keywords: Docking Mechanism, Dynamic Mesh, Hydrogen, Leakage

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