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Issue:ISSN 1006-5539
          CN 51-1183/TE

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Analysis on Flow Field in Forged Elbow
Author of the article:Tan Wen-hu
Author's Workplace:China Petroleum Engineering Co.,Ltd.Southwest Company
Key Words:
Abstract:The design method is introduced in this paper on forged elbow which is used in natural gas field of high acidity, and the comparison is done on the flow field in forged elbow between different flow forms. Flow field in forged elbow is simulated on two flow forms by using the commercial CFD soft, because the flow structure is different between forged elbow and standard elbow. Vortex and pressure undulation are discovered in forged elbow. At the same time, erosion-corrosion on the wall is analysed in forged elbow by comparing wall shear stress in different flow forms. At last, it is described that flow formⅠshould be chosen first on condition that the material in forged elbow has strong erosion characteristic.
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