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Numerical Analysis of Needle Valve for Cryogenics Application

Author : Aniket Balande, D. S. Watvisave† and Tansen Chaudhari

Pages : 114-118, DOI:http://Dx.Doi.Org/10.14741/Ijcet/22774106/spl.5.6.2016.22
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Valves are grouped into critical components of the system. It is necessary to analyze the performance of valve before it actually being used in system. Parts of valve operating at higher temperature expands which improves sealing and leakage rate is reduced, but in case of valves operating at cryogenic temperature valve parts are subjected to non-uniform contraction which leads to disturbed geometry and causes more leakage. In this paper analysis of 3/4” needle valve at cryogenic temperature is performed to understand the different parameters. Flow analysis of needle valve using CFD code is performed at cryogenic temperature to identify the parameters like pressure, velocity. Thermo mechanical analysis is done to analyze the effect of cryogenic temperature on the valve structure.

Keywords: Needle Valve, Cryogenics, Computational Fluid Dynamics (CFD), Analysis


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