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Volume 24 Issue 3
 
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Article Navigation >  Journal of Unmanned Undersea Systems  > 2016  >  24(3): 235-240
WANG Xian-ming, DUAN Hao, WANG Yun. Analysis on Flow Field in Launch Valve of Submarine′s Torpedo and Missile Launch System under Emergency Launch Condition[J]. Journal of Unmanned Undersea Systems, 2016, 24(3): 235-240. doi: 10.11993/j.issn.1673-1948.2016.03.014
Citation: WANG Xian-ming, DUAN Hao, WANG Yun. Analysis on Flow Field in Launch Valve of Submarine′s Torpedo and Missile Launch System under Emergency Launch Condition[J]. Journal of Unmanned Undersea Systems, 2016, 24(3): 235-240. doi: 10.11993/j.issn.1673-1948.2016.03.014
shu

Analysis on Flow Field in Launch Valve of Submarine′s Torpedo and Missile Launch System under Emergency Launch Condition

doi: 10.11993/j.issn.1673-1948.2016.03.014

  • Kunming Branch of the 705 Research Institute, China Shipbuilding Corporation, Kunming 650118, China

  • Received Date: 2016-01-07
  • Rev Recd Date: 2016-01-30
  • Publish Date: 2016-06-20
    Abstract
  • The purpose of launch valve in submarine′s torpedo and missile launch system is to control the flow and pressure of gas, so as to ensure the accuracy of launching process. In this paper, a mathematical model of flow field in the launch valve under emergency launch condition is established with commercial CFD software, and the model is simulated by means of the shear stress transmission(SST) model and dynamic mesh technique. Simulation results show detailed and intuitive distributions of transient pressure and transient velocity of the interior flow field at all stages. These results can provide a theoretical basis for optimization design of channels of the launch valve, and can also provide a reference for research of vibration and aerodynamic noise of the submarine launch system.

     

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