Abstract
This paper deals with a finite element analysis of gas-lubricated herringbone groove journal bearings operating at high speeds. An efficient finite element procedure is specially devised to predict static and dynamic performance characteristics of high-speed gas herringbone groove journal bearings operating at large journal eccentricities. The novel procedure is founded on the Galerkin weighted residual method employing a new class of high-order shape functions, which are derived from an approximate solution to the non-linear Reynolds equation within an element. Numerical predictions of bearing load capacity, attitude angle and dynamic force coefficients show the behavior of gas grooved journal bearings at high operating speeds.
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