TU Darmstadt / ULB / TUprints

Efficiency Scaling: Influence of Reynolds and Mach Numbers on Fan Performance

Pelz, Peter F. ; Saul, Sebastian ; Brötz, Johannes (2022):
Efficiency Scaling: Influence of Reynolds and Mach Numbers on Fan Performance. (Publisher's Version)
In: Journal of Turbomachinery, 144 (6), ASME, ISSN 0889-504X, e-ISSN 1528-8900,
DOI: 10.26083/tuprints-00020809,
[Article]

[img] Text
turbo_144_6_061001.pdf
Copyright Information: CC BY 4.0 International - Creative Commons, Attribution.

Download (1MB)
Item Type: Article
Origin: Secondary publication service
Status: Publisher's Version
Title: Efficiency Scaling: Influence of Reynolds and Mach Numbers on Fan Performance
Language: English
Abstract:

The efficiency, pressure ratio, and shaft power of a fan depends on type, size, working medium, and operating condition. For acceptance tests, a dissimilarity in Reynolds number, Mach number, relative roughness, and relative blade tip clearance of the scaled model and prototype is unavoidable. Hence, the efficiency differs between model and prototype. This difference is quantified by scaling methods. This article presents a validated and physics based, i.e., reliable scaling method for the efficiency, pressure ratio, and shaft power of axial and centrifugal fans operating at subsonic conditions. The method is validated using test results gained on standardized test rigs for different fan types, sizes, and operating conditions. For all scenarios, the presented scaling method provides a much reduced scaling uncertainty compared to the reference method described in ISO 13348.

Journal or Publication Title: Journal of Turbomachinery
Volume of the journal: 144
Issue Number: 6
Publisher: ASME
Collation: 12 Seiten
Classification DDC: 600 Technik, Medizin, angewandte Wissenschaften > 600 Technik
600 Technik, Medizin, angewandte Wissenschaften > 620 Ingenieurwissenschaften
Divisions: 16 Department of Mechanical Engineering > Institute for Fluid Systems (FST)
16 Department of Mechanical Engineering > Institute for Fluid Systems (FST) > Sustainable System Design
Date Deposited: 02 Mar 2022 12:07
Last Modified: 02 Mar 2022 12:07
DOI: 10.26083/tuprints-00020809
Corresponding Links:
URN: urn:nbn:de:tuda-tuprints-208091
URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/20809
PPN:
Export:
Actions (login required)
View Item View Item