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The Effects of Oil Entrained Air on the Dynamic Performance of a Hydraulically Driven Multibody System

Mohammadi, Manouchehr; Kiani, Mehran; Mikkola, Aki (2020-10)

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mohammadi_et_al_the_effects_of_the_oil_entrained_air_publishers_version.pdf (681.7Kb)
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Publishers version

Mohammadi, Manouchehr
Kiani, Mehran
Mikkola, Aki
10 / 2020

International Review on Modelling and Simulations

13

4

141-147

Praise Worthy Prize

School of Energy Systems

https://doi.org/10.15866/iremos.v13i4.18612
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Julkaisun pysyvä osoite on
https://urn.fi/URN:NBN:fi-fe2020100878387

Tiivistelmä

In co-simulation, a number of subsystems sharing details of a system, are coupled to exchange data. The subsystem level development of each package enhances the computational efficiency, and more sophisticated packages can be created. However, the data exchange is not always straight forward as different packages can be developed by different research or industrial centers. Therefore, some standards such as Functional Mock-up Interface (FMI) are developed to facilitate the data exchange in co-simulation or co-integration. In this work, the co-simulation approach is employed to investigate the effects of dissolved air on the dynamic performance of a hydraulically driven multibody system. To this end, the subsystems of multibody system dynamics and a hydraulic model are coupled by using the FMU procedure. The utilized FMUs are produced by using an XML model description and a C code for the hydraulic part. The multibody mechanism under investigation is a jib crane model containing three bodies. The model is studied by exciting different sine inputs having known frequencies while varying the amount of dissolved air in the hydraulic system. The results have illustrated that by increasing the amount of entrained air, the pressure amplitude decrease. In addition, the results demonstrated that the amount of the air does not have effects on shifting the system frequency.

Lähdeviite

Mohammadi, M., Kiani-Oshtorjani, M., Mikkola, A., The Effects of Oil Entrained Air on the Dynamic Performance of a Hydraulically Driven Multibody System, (2020) International Review on Modelling and Simulations (IREMOS), 13 (4), pp. 141-147. doi:https://doi.org/10.15866/iremos.v13i4.18612

Alkuperäinen verkko-osoite

https://www.praiseworthyprize.org/jsm/index.php?journal=iremos&page=article&op=view&path[]=24487
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