Stress analysis and fatigue evaluation of fillet welded nozzle in 130 t/h boiler drum (1)
Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering（1997）
摘要
According to the special structure of slightly-inserted fillet welded nozzle and the simplification of a nozzle zone in a 130 t/h boiler drum, an approximate method for calculating this kind of nozzle-zone longitudinal-section stress was introduced. A mechanics model was established and the finite element calculation was realized.
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