Fluent模拟验证187137-IP减压阀阀芯失效机理
Certification of Failure Mechanism of 187137-IP Relief Ppressure Valve Spool by Fluent
摘 要
煤液化过程中,煤浆的输送要求在高压、高流量下进行,煤浆对减压阀的破坏非常严重.用Fluent软件对187137-IP型减压阀进行了内部流场的数值模拟研究,并与试验相比较,找到了187137-IP型减压阀阀芯失效原因为煤浆冲刷磨损.在此基础上对减压阀的结构提出改进意见.
数值模拟
Fluent
冲刷磨损
relief pressure valve
numerical simulation
Fluent
impact erosion
Abstract
The delivery of coal slurry requires high pressure and high flow capacity during the liquefying process of coal slurry.The damage of the spool by the flushing of the coal slurry is very severe .By means of numerical simulation of the valve′s inner flow field using Fluent software and comparing with the experiment,the failure mechanism of 187137-IP relief pressure valve spool was found out,and the suggestion for improving the structure of the valve base was presented.
中图分类号 TG172.82 TP306
所属栏目 应用技术
基金项目
收稿日期 2007/6/25
修改稿日期 2007/7/18
网络出版日期
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引用该论文: ZHANG Liang,GUAN Kai-shu,WANG Zhi-wen,LIU Shu-ming. Certification of Failure Mechanism of 187137-IP Relief Ppressure Valve Spool by Fluent[J]. Corrosion & Protection, 2008, 29(5): 284～286
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参考文献
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【5】Y C Goo,C K Chan.A multi-fluid model for simulating turbulent gas-particle flow and pulverizedc oalco mbustion[J].Fuel79,2000(1):467-1476.
【6】韩占忠,王 敬.Fluent[M].北京:北京理工大学出版社,2004.
【7】张安峰,王 豫.不锈钢与碳钢在液固两相流中冲刷腐蚀特性的研究[J].兵器材料科学与工程,2003,26(2):36-39.
【8】Hodgkiss T,Neville A,Shrestha S.Electrochemical and mechanical interactions during erosion-corrosion of a high-velocity oxy-fuel coating and a stainless steel[J].Wear,1999,233/235(6):623-634.
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