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Basic relations and basic equations
2 other sections not shown
angular velocity bearing parameters bearing performance Bootsma boundary conditions calculated cavitation pressure cavitation zone coordinate system Cut-out area derivatives differential equation dimensionless relative power element matrixes film thickness Finite Element Method finite number flat spiral groove Floberg flow per unit frictional torque gas to liquid Gerbert groove geometry groove thrust bearing grooved area height function imin inner chamber journal bearing large numbers line integral load capacity load carrying capacity logarithmic spiral lubricant Lund Technical University Machine Elements Division maximum dimensionless load negative pressures nodal values non-dimensionally numbers of grooves optimum values pad thrust bearing pcav po,in pressure distribution radius ratio ratio of heights relative power loss Reynolds Sample problem shape functions shown in Fig small numbers smoothed pressure solution domain solve spiral groove bearing spiral groove problem spiral groove thrust Sweden system matrix system of equations Tensile Strength tilting pad thrust unit width viscosity