1951-01-01

An Investigation of Hydraulic Damping 510201

PROPER stability and performance analyses of a hydraulic servomechanism, such as may be used for an aircraft control-surface power-boost system, require a knowledge of system constants. Important among these constants are the hydraulic damping or resistance factors for basic hydraulic system components.
Theoretical and experimental investigations have been combined in the determination of resistance factors for straight metal tubes, tubing bends, flexible hoses, and fittings. The effects of pertinent system parameters on the resistance factors have been investigated.

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