Saul, Sebastian ; Pelz, Peter F. (2022)
Extended Scaling Method for Nonsimilarity in Reynolds Number, Stagger Angle and Blade Number.
International Conference on Fan Noise, Aerodynamics, Applications and Systems. Darmstadt, Germany (18.-20.04.2018)
doi: 10.26083/tuprints-00021354
Conference or Workshop Item, Secondary publication, Publisher's Version
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| Item Type: | Conference or Workshop Item |
|---|---|
| Type of entry: | Secondary publication |
| Title: | Extended Scaling Method for Nonsimilarity in Reynolds Number, Stagger Angle and Blade Number |
| Language: | English |
| Date: | 2022 |
| Place of Publication: | Darmstadt |
| Book Title: | FAN 2018 - Proceedings of the International Conference on Fan Noise, Aerodynamics, Applications and Systems : 18. - 20. April 2018 |
| Collation: | 12 Seiten |
| Event Title: | International Conference on Fan Noise, Aerodynamics, Applications and Systems |
| Event Location: | Darmstadt, Germany |
| Event Dates: | 18.-20.04.2018 |
| DOI: | 10.26083/tuprints-00021354 |
| Corresponding Links: | |
| Origin: | Secondary publication service |
| Abstract: | Acceptance tests for large turbomachines are carried out with the help of small-scaled models on standardized test rigs. This non-similarity, e.g. in Reynolds and Mach number between model and prototype causes an efficiency change. Therefore, the prediction of efficiency change is done by scaling methods. Darmstadt Scaling Method is extended to consider different stagger angles and different blade numbers for axial fans. The method is validated with experimental data and shows good agreements in the stagger angle range from -18° to +12° and Reynolds number ranges of Re = 2.2E6 … 6.5E6 for half- and full-equipped rotors with respect to blade number. |
| Status: | Publisher's Version |
| URN: | urn:nbn:de:tuda-tuprints-213543 |
| Classification DDC: | 600 Technology, medicine, applied sciences > 620 Engineering and machine engineering |
| Divisions: | 16 Department of Mechanical Engineering > Institute for Fluid Systems (FST) (since 01.10.2006) |
| Date Deposited: | 13 May 2022 13:50 |
| Last Modified: | 03 Apr 2023 11:36 |
| URI: | https://tuprints.ulb.tu-darmstadt.de/id/eprint/21354 |
| PPN: | 495522252 |
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