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Modeling the Efficiency of External Gear Pumps Based on Similarity Considerations

Schänzle, Christian ; Störmer, Nils ; Pelz, Peter F. (2022):
Modeling the Efficiency of External Gear Pumps Based on Similarity Considerations. (Postprint)
In: Fluid Power Systems Technology, Darmstadt, ASME, BATH/ASME 2018 Symposium on Fluid Power and Motion Control, Bath, UK, 12.–14.09.2018, DOI: 10.26083/tuprints-00020952,
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Item Type: Conference or Workshop Item
Origin: Secondary publication service
Status: Postprint
Title: Modeling the Efficiency of External Gear Pumps Based on Similarity Considerations
Language: English
Abstract:

Gear pumps are used in numerous different applications and industrial sectors. However, when selecting a suitable gear pump for a specified application, manufacturers are often confronted with a lack of comparable measurement data for the desired combination of operating conditions and pumping fluid. Consequently, an estimation of the volume flow rate and the power consumption of a pump under the operating conditions of the application is necessary. In this context, this paper discusses the application of similarity on external gear pumps and presents its validation by means of measured pump characteristics. Seven gear pumps of different displacement volume are measured at different operating conditions varying pressure, rotational speed and the viscosity of the pumping fluid. The validation results prove that similarity is useful to represent a pump’s characteristic over a wide operating range. The prediction of the volume flow rate and the power consumption at a changed viscosity show good accuracy. However, the scaling of the pump characteristic based on the displacement volume show contradictory results.

Series: Fluid Power Systems Technology
Place of Publication: Darmstadt
Publisher: ASME
Collation: 9 Seiten
Classification DDC: 600 Technik, Medizin, angewandte Wissenschaften > 620 Ingenieurwissenschaften
Divisions: 16 Department of Mechanical Engineering > Institute for Fluid Systems (FST)
Event Title: BATH/ASME 2018 Symposium on Fluid Power and Motion Control
Event Location: Bath, UK
Event Dates: 12.–14.09.2018
Date Deposited: 09 May 2022 11:11
Last Modified: 09 May 2022 11:11
DOI: 10.26083/tuprints-00020952
Corresponding Links:
URN: urn:nbn:de:tuda-tuprints-209526
URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/20952
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