Three-dimensional finite element model for the calculation of steady temperature field and thermal stress of the CWS nozzle were established according to the structure of CWS nozzle and its working conditions.

• 根据水煤浆喷嘴的结构和喷嘴工作情况，建立了水煤浆喷嘴三维稳态温度场和热应力的有限元模型，确定了边界条件，分析求解得到陶瓷水煤浆喷嘴的温度场、温度梯度和热应力。