整圈自锁叶片(ILB)的设计及其动静频试验  

Interlocked Blade (ILB) Desgin and Its Dynamic and Statistic Frequency Test

作　　者：褚玉喜[1] 陆伟[1] 

机构地区：[1]上海汽轮机有限公司,上海200240

出　　处：《上海汽轮机》2002年第3期15-20,共6页Shanghai Turbine

摘　　要：介绍了整圈自锁叶片的设计原理和动静频试验结果。ILB用于改造机组以后的热力性能试验表明,汽轮机低压缸效率同比提高3％。The article introduced ILB design principle and its dynamic frequency test results, the thermal performance test of the retrofitted unit which adopted ILB shows that the efficiency of LP turbine is increased by 3% in comparison with the original one.

关 键 词：整圈自锁叶片 “三重点”共振 频率试验 汽轮机 

分 类 号：TK263.3[动力工程及工程热物理—动力机械及工程]