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Corresponding Author

El-Mashad, Yehia

Subject Area

Mechanical Power Engineering

Article Type

Original Study

Abstract

The sudden or instantaneous closure of a valve fitted with a pipeline, causes the conversion of kinetic energy of the fluid into strain energy. As every pipe possesses some elasticity, so it absorbs some strain energy along with the fluid, the amount of energy absorption depends on material, diameter and the length of the pipeline. The effect of pipeline material and dimensions on the dynamic characteristics of variable-displacement axial piston pump in two load cases (step decrease and increase load flow) is discussed in some detail. Two different hard materials and two different non metallic materials with different diameters and lengths are simulated. The performance characteristics of the system under these conditions are investigated. The results show the importance of giving great attention to the selection of the pipe installation on the whole performance of the system.

Keywords

Axial piston pump; Power Hydraulic; Dynamics; control; Pipes and Hoses

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