关于API660中的理解。? 7.3.1 the fixed shell support of removable-bundle heatexchangers shall be designed to withstand a longitudinal force equal to 150 % of the bundle mass applied at the heat exchanger bundle centreline. the shear stress for supports shall not exceed 40 % of the yield strength of the material. 应是管束重量的1.5倍。曾与日本某公司合作过项目,日本人的工程规定明确规定在设计换热器鞍座时要考虑抽拉管束的轴向力,其值大少为管束质量的1.5倍。看一一原文,也是这个意思,译文有些出入。查看更多