摘要
The theoretical computation model of the composite journal bearing sealed and lubricated with ferrofluid is established The oil film pressure distribution,temperature field and heat conduction equation of the bearing liner are jointly calculated The static and dynamic properties of the bearing under condition of different eccentricities and ratios of width to diameter are obtained and discussed The results show the feasibility of this type of bearing for smaller eccentricities and width to diameter ratios,and that the oil film temperature,which is more subject to be influenced by the rotating speed,is higher than that of the bearing with leakage flow The key problem of the further development and application of the bearing is to design more reasonable and effective types of seal structures
The theoretical computation model of the composite journal bearing sealed and lubricated with ferrofluid is established The oil film pressure distribution,temperature field and heat conduction equation of the bearing liner are jointly calculated The static and dynamic properties of the bearing under condition of different eccentricities and ratios of width to diameter are obtained and discussed The results show the feasibility of this type of bearing for smaller eccentricities and width to diameter ratios,and that the oil film temperature,which is more subject to be influenced by the rotating speed,is higher than that of the bearing with leakage flow The key problem of the further development and application of the bearing is to design more reasonable and effective types of seal structures
