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Pressure-drop coefficients for cushioning system of hydraulic cylinder with grooved piston: a computational fluid dynamic simulation

Author
Castilla, R.; Alemany, I.; Algar, A.; Gamez-Montero, P.J.; Roquet, P.; Codina-Macia, Esteban
Type of activity
Journal article
Journal
Energies
Date of publication
2017-10-25
Volume
10
Number
11
First page
1704-1
Last page
1704-14
DOI
https://doi.org/10.3390/en10111704 Open in new window
Repository
http://hdl.handle.net/2117/109411 Open in new window
URL
http://www.mdpi.com/1996-1073/10/11/1704 Open in new window
Abstract
Cushioning is an important aspect in hydraulic cylinder performance. The piston has to be decelerated before it strikes the end cap in order to avoid stresses in the cylinder components and reduce vibration that can be transmitted to the machine. One of the least-studied methods is internal cushioning by grooves in the piston. In this method, the flow is throttled with adequately designed grooves when the piston reaches the outlet port position. The purpose of the present work is to present a me...
Citation
Castilla, R., Alemany, I., Algar, A., Gamez-Montero, P.J., Roquet, P., Codina-Macia, E. Pressure-drop coefficients for cushioning system of hydraulic cylinder with grooved piston: a computational fluid dynamic simulation. "Energies", 25 Octubre 2017, vol. 10, núm. 11, p. 1704-1-1704-14.
Keywords
Computational fluid dynamics, Cylinder cushion, Piston grooves, Pressure-drop coefficients
Group of research
IAFARG- Industrial and Aeronautical Fluid-dynamic Applications Research Group
LABSON - Fluid power systems laboratory
LMIT-CT - Laboratories of Mechanical Engineering Innovation and Technology

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