电站锅炉膜式水冷壁鳍片管温度场、热应力场分析

Analysis on the Temperature and Thermal Stress Fields of Membrane Tube of Boiler in Power Plant

研究了膜式水冷壁鳍片管的管壁温度分布和热应力状态，提出了附加热应力的概念，得到了鳍片管温度场、局部热应力及附加热应力的计算表达式，适用于工程实际．

The temperature field and thermal stress field of membrane water wall tube were studied. A concept of additional thermal stress was proposed and the formulas of temperature field, local thermal stress and additional thermal stress were derived.