3000rpm 48英寸低压末级叶片的开发  

Development of 3000rpm 48 Inch Low Pressure Last Row Blade

作　　者：黄勇杰 

出　　处：《上海汽轮机》1999年第1期50-53,共4页Shanghai Turbine

摘　　要：日本三菱公司开发了新的３０００ｒｐｍ４８英寸整体围带未级叶片，提高其长期在腐蚀环境下工作与二班制运行的可靠性，并大幅度改善了性能。本文介绍它的气功与强度设计，以及按实物尺寸的旋转振动试验等。The 3000rpm 48 inch integral shroud last row blade newly developed by MHI has enhanced reliability during long term operation in corrosive environment and two-shift operation. It has also improved thermal efficiency. This article introduced its aerodynamic and mechanical design, as well as rotation test of vibration with physical sized blade.

关 键 词：三元流场 曲面端壁 叶片 有限元 汽轮机 末级 

分 类 号：TK263.3[动力工程及工程热物理—动力机械及工程]