外压容器设计中的温差应力问题

The Problem of Thermal Stress in Design of External Pressure Vessels

利用外压和轴向压缩同时作用下的临界条件，对一夹套设备失稳破坏进行了分析，说明了温差应力对外压容器失稳的影响，并提出在设计中应考虑的问题及设计方法。

The instability of external pressure vessels was analyses with the critical conditionsunder both external and axial pressures,which showed the effect of thermal stress on the inStabilityof the vessels. Some Problems and methods in design of the vessel are disscused.