Conference article

Simulation Model of a Piston Type Hydro-Pneumatic Accumulator

Juho Alatalo
Mechatronics and Machine Diagnostics, University of Oulu, Finland

Toni Liedes
Mechatronics and Machine Diagnostics, University of Oulu, Finland

Mika Pylvänäinen
Mechatronics and Machine Diagnostics, University of Oulu, Finland

Download articlehttp://dx.doi.org/10.3384/ecp17142235

Published in: Proceedings of The 9th EUROSIM Congress on Modelling and Simulation, EUROSIM 2016, The 57th SIMS Conference on Simulation and Modelling SIMS 2016

Linköping Electronic Conference Proceedings 142:34, p. 235-242

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Published: 2018-12-19

ISBN: 978-91-7685-399-3

ISSN: 1650-3686 (print), 1650-3740 (online)

Abstract

Hydro-pneumatic accumulators are used to improve the features of different kinds of hydraulic systems and they are common in industry and mobile applications. In order to include functionality of accumulators to hydraulic system models, an accurate yet light simulation model of hydro-pneumatic accumulator is needed. In this paper a simulation model of a piston type hydro-pneumatic accumulator is presented. The simulation model takes into account of the behavior of friction, nitrogen gas and hydraulic ?uid. The simulation model was validated by comparing the simulation results to measurement results obtained from laboratory tests, and strong correlation was found between them. The model is suitable for researchers as well as for engineers in designing work in industry.

Keywords

gas-charged accumulator, computer simulations, modelling

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