supported by National Natural Science Foundation of China (Grant No. 50635060);National Hi-tech Research and Development Program of China (863 Program,Grant No.2007AA050501);National Key Basic Research Program of China (973 Program,Grant No. 2007CB707705,Grant No. 2007CB707706);Research Funds for the Central Universities of China
The recent research on stability of gas bearing-rotor systems still mostly adopts the same method as in oil-lubricated bearing-rotor systems.The dynamic coefficients of gas bearings in the case that the perturbation f...