Peer-reviewed veterinary case report
Optimal design of impeller for self-priming pump based on orthogonal method.
- Year:
- 2023
- Authors:
- Zhang YL et al.
- Affiliation:
- College of Mechanical Engineering and Key Laboratory of Air-Driven Equipment Technology of Zhejiang Province · China
Abstract
In order to improve the efficiency of the self-priming pump in the outdoor emergency rescue mobile pump truck, this paper took the key energy conversion component-impeller as the target and used the orthogonal experimental design method to optimize its hydraulic performance. Firstly the numerical calculations were compared with the experimental results to confirm the reliability of the calculation method. Then, L<sub>9</sub> (3<sup>4</sup>) orthogonal design was applied to investigate the influence of the impeller diameter, the blade outlet width, the blade wrap angle and the number of blades on the hydraulic performance of the self-priming pump. Through range analysis, the order of influence of each influencing factor on the head and efficiency of the self-priming pump was determined, and finally obtained the optimal parameter combination scheme. The results show that the optimized self-priming pump exceeds the head of the prototype pump at all flow conditions, and the efficiency curve at high flow conditions is significantly improved and has a wide high efficiency zone.
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Search related cases →Original publication: https://europepmc.org/article/MED/37779116