ON DETERMINING REFERENCE STRESSES FOR HIGH TEMPERATURE THIN/THICK TUBE BENDS

机译：确定高温薄壁/厚管弯头的参考应力

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It is well known that tube/pipe bends have some degree of ovality caused during their manufacture. For the first time, based on limit analysis, the authors previously presented an explicit expression for calculation of the reference stress of tube/pipe bends with varying degrees of ovality that are subjected to uniform internal pressure. The present paper assesses this expression using an elastic-creep finite volume analysis. This is due to availability of an in-house finite volume code. It is shown that the references stresses predicted by proposed expression correlate well with those computed using elastic-creep analyses for tube/pipe bends with various degrees of ovality.

机译：众所周知，管子/管子的弯曲在制造过程中具有一定程度的椭圆度。这是作者首次基于极限分析，给出了一个明确的表达式，用于计算承受均匀内压的椭圆度不同的管弯头的参考应力。本文使用弹性蠕变有限体积分析评估该表达式。这是由于内部有限卷代码的可用性。结果表明，所提出的表达式所预测的参考应力与使用弹性蠕变分析计算出的具有不同椭圆度的管/管弯曲的参考应力具有很好的相关性。

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《PVP-vol.493; American Society of Mechanical Engineers(ASME) International Mechanical Engineering Congress and Exposition; 20051105-11; Orlando,FL(US)》|2005年|P.161-165|共5页
会议地点 OrlandoFL(US)
作者
LAWRENCE NG KY; KHOSROW ZARRABI; ABHEEK BASU;
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作者单位

School of Mechanical and Manufacturing The University of New South Wales Sydney, NSW 2052 Australia;

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原文格式 PDF
正文语种 eng
中图分类结构;
关键词
reference stress; tube bends; ovality;

机译：参考应力;弯管;卵形;

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专利

1. Temperature stresses in thick circular cylindrical shells used in nuclear reactors with and without uniform internal heat generation within the shell wall thickness [J] . G. Guerreri, L. M. Cossa Proceedings of the Institution of Mechanical Engineers, Part C. Journal of mechanical engineering science . 1998,第C7期

机译：核反应堆中使用的厚圆柱形圆柱壳中的温度应力，在壳壁厚度范围内是否产生均匀的内部热量
2. Temperature stresses in thick circular cylindrical shells used in nuclear reactors with exponential heat generation within the shell wall thickness [J] . G. Guerreri, L. M. Cossa Proceedings of the Institution of Mechanical Engineers, Part C. Journal of mechanical engineering science . 1998,第C7期

机译：核反应堆中使用的厚圆柱壳中的温度应力，并在壳壁厚度范围内产生指数热
3. Applicability of miniature size bend specimens to determine the master curve reference temperature T_0 [J] . Kim Wallin, Tapio Planman, Matti Valo Engineering Fracture Mechanics . 2001,第11期

机译：微型尺寸弯曲试样确定主曲线参考温度T_0的适用性
4. ON DETERMINING REFERENCE STRESSES FOR HIGH TEMPERATURE THIN/THICK TUBE BENDS [C] . LAWRENCE NG KY, KHOSROW ZARRABI, ABHEEK BASU, ASME International Mechanical Engineering Congress and Exposition . 2005

机译：在确定高温薄/厚管弯曲的参考应力
5. A BOILER TUBE PROBLEM: ELASTIC-PLASTIC BEHAVIOR OF A THICK-WALLED CYLINDER CAUSED BY SINUSOIDAL INSIDE SURFACE TEMPERATURE, INTERNAL HEAT GENERATION AND EXTERNAL HEAT FLUX. [D] . KAUPPILA, RAYMOND WILLIAM. 1968

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6. Welding Temperature Distribution and Residual Stresses in Thick Welded Plates of SA738Gr.B Through Experimental Measurements and Finite Element Analysis [O] . Xiaoyu Yang, Guizhen Yan, Yanfei Xiu, 2019

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7. The unified-parameter method for bending performance analysis of composite thick tube as well as the quantitave method to determine the optimal assumed stress fields for hybrid stress finite elements [O] . 刘沛 2014

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8. INSTANTANEOUS THERMAL STRESSES AND TEMPERATURES AND THIN WALLED CYLINDRICAL TUBES [R] . J. E. Mahlmeisttr 1951

机译：瞬间热应力和温度以及薄壁圆柱管

ON DETERMINING REFERENCE STRESSES FOR HIGH TEMPERATURE THIN/THICK TUBE BENDS

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