Viscosity and Boundary Effects in the Dynamic Behavior of Hydraulic Systems

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Abstract
The use of hydraulic mechanisms in low-energy transfer and information-transmittal devices requires a working understanding of dynamic hydraulic behavior. In this paper the effects of fluid viscosity and wall interference on wave motion in a simple hydraulic device are considered. It is shown that for the applications considered these phenomena may be treated by boundary-layer methods. Calculations are carried out to show their effect on piston displacement, and these effects are compared with the behavior when viscosity is not taken into account.

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