<abstract xmlns="http://www.w3.org/1999/xhtml"><p> In this paper volumetric losses in hydraulic motor supplied with water and mineral oil (two liquids having significantly different viscosity and lubricating properties) are described and compared. The experimental tests were conducted using an innovative hydraulic satellite motor, that is dedicated to work with different liquids, including water. The sources of leaks in this motor are also characterized and described. On this basis, a mathematical model of volumetric losses and model of effective rotational speed have been developed and presented. The results of calculation of volumetric losses according to the model are compared with the results of experiment. It was found that the difference is not more than 20%. Furthermore, it has been demonstrated that this model well describes in both the volumetric losses in the motor supplied with water and oil. Experimental studies have shown that the volumetric losses in the motor supplied with water are even three times greater than the volumetric losses in the motor supplied with oil. It has been shown, that in a small constant stream of water the speed of the motor is reduced even by half in comparison of speed of motor supplied with the same stream of oil.</p></abstract>

In this paper volumetric losses in hydraulic motor supplied with water and mineral oil (two liquids having significantly different viscosity and lubricating properties) are described and compared. The experimental tests were conducted using an innovative hydraulic satellite motor, that is dedicated to work with different liquids, including water. The sources of leaks in this motor are also characterized and described. On this basis, a mathematical model of volumetric losses and model of effective rotational speed have been developed and presented. The results of calculation of volumetric losses according to the model are compared with the results of experiment. It was found that the difference is not more than 20%. Furthermore, it has been demonstrated that this model well describes in both the volumetric losses in the motor supplied with water and oil. Experimental studies have shown that the volumetric losses in the motor supplied with water are even three times greater than the volumetric losses in the motor supplied with oil. It has been shown, that in a small constant stream of water the speed of the motor is reduced even by half in comparison of speed of motor supplied with the same stream of oil.

The Influence of Water and Mineral Oil On Volumetric Losses in a Hydraulic Motor

Polish Maritime Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"The Influence of Water and Mineral Oil On Volumetric Losses in a Hydraulic Motor"}

In this paper volumetric losses in hydraulic motor supplied with water and mineral oil (two liquids having significantly different viscosity and lubricating...

The Influence of Water and Mineral Oil On Volumetric Losses in a Hydraulic Motor

Article Category: Special Issue Title: Coastal, Offshore and Ocean Engineering

Publié en ligne: 23 mai 2017

Pages: 213 - 223

DOI: https://doi.org/10.1515/pomr-2017-0041

Mots clés
volumetric losses, satellite motor, water, oil

© 2017

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

The Influence of Water and Mineral Oil On Volumetric Losses in a Hydraulic Motor

Article Category: Special Issue Title: Coastal, Offshore and Ocean Engineering

Publié en ligne: 23 mai 2017

Pages: 213 - 223

DOI: https://doi.org/10.1515/pomr-2017-0041

Mots clésvolumetric losses, satellite motor, water, oil

© 2017

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Mots clés
volumetric losses, satellite motor, water, oil