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Transmission of Vibration and Pressure Fluctuations Through Hydraulic Hoses

It is demonstrated that measured relationships between the vibration and pressure fluctuation at the input and output ends of hydraulic hoses, such as would be generated by a pump and transmitted to the subsequent circuit, can be described satisfactorily by two types of wave involving differing proportions of predominantly axial motion of the hose and the contained fluid, together with bending and torsional wave motion. The values of the wave properties required to do this are presented for four representative hose constructions, and the relationship of the properties to the construction is discussed.