Abstract
An inclined elliptical dimpled gas face seal was experimentally investigated in order to provide evidence for theoretical study. An experimental setup and theoretical model were developed to study the hydrodynamic effect of this gas seal. Then, opening and steady performance of the seal was measured under different rotational speed and seal pressure. The clearance and leakage rate are discussed for different cases of pressure and rotational speed. The results showed that there was a good correlation between theory and experiment. Both the clearance and the leakage rate increased significantly with increasing rotational speed and seal pressure. The inclined elliptical dimpled gas face seal was a type of hydrodynamic seal.
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