STATE-OF-THE-ART OF GAS-BEARING TURBOMACHINERY

TL;DRAbstract

The State-of-the-art of Gas Bearing Turbomachinery is reviewed, noting that it reflects a transition from research to applications. The application of gas-lubrication to turbomachinery is linked to the advantages inherent in process fluid lubrication and to the characteristics of gases as lubricants. The design data necessary in specific applications of gas bearings is listed and reference is made to the sources where such data is now available. The principal considerations in gas-bearing materials selections as well as the classes of materials now used in different operating temperature ranges are tabulated. The research work currently in progress is noted and the gas bearing turbomachinery that has been produced to date in this country and in Western Europe are listed. Further research in three important areas necessary to further expand the applicability of gas bearings to turbomachinery is recommended. With this as background, the anticipated developments of gas bearing turbomachin

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