The strength analysis of a drop-shaped tube is resolved into the following problem: axial compression together with a plane state of strain with uniform internal pressure.
把滴形管的强度分析问题分解为：沿管轴线方向的压力问题与管沿周线方向均布压力的平面应变问题的叠加。
The results show that the local heat transfer at the front part of the drop-shaped tube is similar to round tube, but apparent difference appears behind the detachment point.
结果表明：滴形管束局部换热规律在前端大圆部分与圆管管束相似，但在脱体点以后差别较大；
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