Experimental Validation of Large Eddy Simulation as a Benchmark for Reynolds-Averaged Navier-Stokes Flow Modeling in a Magnetically Levitated Blood Pump

LES demonstrated close agreement with PIV and proved to be a reliable reference for validating RANS models in this study. Although the analysis was limited to a single pump, LES warrants further consideration as a potential benchmark method that could reduce reliance on extensive experimental flow validation. Consistent with previous findings, the transition from the volute to the outlet emerged as a particularly sensitive region for RANS modeling and validation. The quantified non-rotatory impeller motion had negligible impact on the flow field, supporting the continued use of idealized rotor motion in CFD modeling of similar magnetically levitated devices.

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Publication Details

Journal
Annals of Biomedical Engineering
Published
2025-12-09
DOI
https://doi.org/10.1007/s10439-025-03846-4
Primary Topic
Cavitation Phenomena in Pumps
Type
article
Field-Weighted Citation Impact
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article

Experimental Validation of Large Eddy Simulation as a Benchmark for Reynolds-Averaged Navier-Stokes Flow Modeling in a Magnetically Levitated Blood Pump

Mirko Meboldt, Vasileios Charitatos, Utku Gülan, Diane de Zélicourt et al.
Annals of Biomedical Engineering
Cavitation Phenomena in Pumps
article

Experimental Validation of Large Eddy Simulation as a Benchmark for Reynolds-Averaged Navier-Stokes Flow Modeling in a Magnetically Levitated Blood Pump

Mirko Meboldt, Vasileios Charitatos, Utku Gülan, Diane de Zélicourt, Markus Holzner, Marianne Schmid Daners, Vartan Kurtcuoglu, Kai von Petersdorff-Campen, Jonas Abeken
article en

Abstract

LES demonstrated close agreement with PIV and proved to be a reliable reference for validating RANS models in this study. Although the analysis was limited to a single pump, LES warrants further consideration as a potential benchmark method that could reduce reliance on extensive experimental flow validation. Consistent with previous findings, the transition from the volute to the outlet emerged as a particularly sensitive region for RANS modeling and validation. The quantified non-rotatory impeller motion had negligible impact on the flow field, supporting the continued use of idealized rotor motion in CFD modeling of similar magnetically levitated devices.

Annals of Biomedical EngineeringVol. 54(3)
University of Zurich (CH), ETH Zurich (CH), Institute for Biomedical Engineering (CH), BOKU University (AT)
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung, Stavros Niarchos Foundation
Openalex Percentile: Top 56%
Cavitation Phenomena in Pumps
DOIOpen Access PDFOpenAlex
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Experimental Validation of Large Eddy Simulation as a Benchmark for Reynolds-Averaged Navier-Stokes Flow Modeling in a Magnetically Levitated Blood Pump — Mirko Meboldt, Vasileios Charitatos, et al. · Annals of Biomedical Engineering (2025) | TGRS Research Map | TGRS