THERMAL MIXING POINTS: A THERMOMECHANICAL STRESS FEA PROCEDURE

机译：热混合点：热机械应力有限元程序

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This paper outlines a procedure for calculating and evaluating the stresses in piping thermal mixing points, which combine process streams of significantly different temperatures. The temperatures and stresses in the pipe at the mixing point are calculated using 3-D finite element analysis. The temperature field calculations use a pipe flow heat transfer correlation. Once the temperature field is determined, it is used to calculate the thermal stresses. The stress results are calculated using the methodology of WRC-429 and compared to the allowable limits. The results of two sample mixing points are shown.

机译：本文概述了计算和评估管道热混合点应力的程序，该过程组合了温度明显不同的工艺流。使用3-D有限元分析计算出混合点处管道中的温度和应力。温度场计算使用的是管流传热相关性。确定温度场后，将其用于计算热应力。使用WRC-429的方法计算应力结果，并将其与允许极限进行比较。显示了两个样品混合点的结果。

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来源
《2002 ASME Pressure Vessels and Piping Conference, Aug 5-9, 2002, Vancouver, British Columbia, Canada》|2002年|p.17-24|共8页
会议地点 Vancouver(CA)
作者
Trevor G. Seipp; Christopher Reichert;
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作者单位

Fluor Canada, Ltd. 55 Sunpark Plaza, S.E. Calgary, AB CANADA T2X 3R4;

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原文格式 PDF
正文语种 eng
中图分类机械、仪表工业;
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THERMAL MIXING POINTS: A THERMOMECHANICAL STRESS FEA PROCEDURE

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