Results are presented of theoretical and experimental studies of the pressure peaks occurring in valve-controlled hydraulic actuators operated under severe loading conditions. Oil compressibility is shown to reduce the magnitude of these peaks. Valve overlap has the opposite effect. The possibilities of fatigue failure and cavitation damage in the actuator are discussed. The two different modes of cavity formation which occur when the valve is oscillated sinusoidally are discussed in detail.
Issue Section:
Research Papers
Topics:
Actuators,
Pressure,
Valves,
Cavitation,
Cavities,
Compressibility,
Damage,
Fatigue failure,
Hydraulic actuators
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Copyright © 1965
by ASME
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