Abstract
It is well known that the majority of viscous flow problems occuring in nature and in applications involves high Reynolds number and flow turbulence.In the oil hydraulic system, it may be required that the internal oil flow in the control elements is analyzed by considering the flow pattern in order to improve these dynamic characteristics.In this paper, the boundary. element method is applied to field problems governed by Navier-Stokes equations, and in paticular, to internal flow in the hydraulic control valve.Steady Couette flows were studied using the present solution procedure. The obtained simulation results were in excellent agreement with the exact solutions. The velocity profile in the hydraulic control valve was examined. The possibilies to design the high response control valve and to calculate the steady flow force of the valve were obtained.
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