Abstract: The present research concentrates on the performance improvement of a two-stage proportional valve with internal hydraulic position feedback which is named as the Valvistor valve. In this paper, the performance constraint ...

Abstract: Magnetorheological fluids (MRFs) are applicable for achieving semi-active control in smart bearings. For hydrodynamic bearings lubricated with MRF, changes of the viscosity induced by magnetic field lead to changes of the ...

Abstract: The present study is focused on the construction of a well-performing pilot controlled proportional flow valve with internal displacement-flow feedback. A novel control strategy for the valve is proposed in which the flow ...

Abstract: This paper dedicates on the rotor dynamics behavior analysis on a tilting pad bearing supported turboexpander rotor system considering temperature gradient. Both numerical and experimental investigations are conducted ...