a concept of a shroud dry friction damping factor is presented to measure dry friction damping on shroud interface.
提出用阻尼因子解决凸肩干摩擦阻尼大小的度量问题;
dimensionless dry friction damping factor is defined to measure the effect of dry friction damping, finally, according to designed method, a vibration experiment of shrouded blades is carried out.