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

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.