The influence of the low induced force is evidence in the ultra supercritical and the supercritical steam turbine. The dynamic characteristics of the flow induced force acting on rotor-seal systems is investigated in the paper.The nonlinear dynamic model of the rotor-seal system is established with Muszynska model. And Floquet theory is applied to study stabilities and dynamic behaviors of the periodic solutions in the systems. The dynamic characteristics of the system at the certain rotating speed and the certain physic parameters are analyzed by the periodical responses, Poincaré maps, frequency spectrums chart, bifurcation charts, etc.
李忠刚 孔达 焦映厚 陈照波 李明章 . 转子—密封系统非线性动力学特性分析[J]. , 2009, 28(6): 159-163.
Li zhong gang Kong da Jiao ying hou Chen zhao bo Li ming zhang. Research on the nonlinear dynamic characteristics of a rotor-seal system. , 2009, 28(6): 159-163.