Effect of impeller blades number on the performance of a centrifugal pump
A numerical investigation is carried out on a centrifugal pump to show the effect of the impeller blades number on the pump performance. Three different impellers with 5, 7, and 9 blades are tested numerically to determine the optimum blades number at rotational speed of 2800 rpm. Fluent 6.3.1 CFD c...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2019-03-01
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| Series: | Alexandria Engineering Journal |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S1110016819300109 |
| _version_ | 1818574185789652992 |
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| author | Gamal R.H. Abo Elyamin Magdy A. Bassily Khalil Y. Khalil Mohamed Sh. Gomaa |
| author_facet | Gamal R.H. Abo Elyamin Magdy A. Bassily Khalil Y. Khalil Mohamed Sh. Gomaa |
| author_sort | Gamal R.H. Abo Elyamin |
| collection | DOAJ |
| description | A numerical investigation is carried out on a centrifugal pump to show the effect of the impeller blades number on the pump performance. Three different impellers with 5, 7, and 9 blades are tested numerically to determine the optimum blades number at rotational speed of 2800 rpm. Fluent 6.3.1 CFD commercial code is used to perform this work. It is found that the head coefficient ‘Ψyt’ and the efficiency ‘ηhyd’ are higher for the case of the impeller with 7 blades than that for the two cases of 5 and 9 blades. The losses decrease by increasing the blades number due to the reduction of the secondary flow for a certain limit.Then it increases again because the friction losses in the impeller and the mixing losses after the impeller yield an increment in the total losses in the region of the vaneless diffuser. This could be a result of the increasing number of the impeller channels. Keywords: Centrifugal pump, Blade number, CFD, Impeller losses, Mixing losses |
| first_indexed | 2024-12-15T00:23:12Z |
| format | Article |
| id | doaj.art-ab7a9e0eea124337967a2ac25e607b74 |
| institution | Directory Open Access Journal |
| issn | 1110-0168 |
| language | English |
| last_indexed | 2024-12-15T00:23:12Z |
| publishDate | 2019-03-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Alexandria Engineering Journal |
| spelling | doaj.art-ab7a9e0eea124337967a2ac25e607b742022-12-21T22:42:15ZengElsevierAlexandria Engineering Journal1110-01682019-03-015813948Effect of impeller blades number on the performance of a centrifugal pumpGamal R.H. Abo Elyamin0Magdy A. Bassily1Khalil Y. Khalil2Mohamed Sh. Gomaa3Department of Mechanical Power Engineering, Faculty of Engineering, Minia University, Minia, Egypt; Corresponding author.Department of Mechanical Power Engineering, Faculty of Engineering, Minia University, Minia, EgyptDepartment of Mechanical Power Engineering, Faculty of Engineering, Minia University, Minia, EgyptBeni-suef University, Beni-suef, EgyptA numerical investigation is carried out on a centrifugal pump to show the effect of the impeller blades number on the pump performance. Three different impellers with 5, 7, and 9 blades are tested numerically to determine the optimum blades number at rotational speed of 2800 rpm. Fluent 6.3.1 CFD commercial code is used to perform this work. It is found that the head coefficient ‘Ψyt’ and the efficiency ‘ηhyd’ are higher for the case of the impeller with 7 blades than that for the two cases of 5 and 9 blades. The losses decrease by increasing the blades number due to the reduction of the secondary flow for a certain limit.Then it increases again because the friction losses in the impeller and the mixing losses after the impeller yield an increment in the total losses in the region of the vaneless diffuser. This could be a result of the increasing number of the impeller channels. Keywords: Centrifugal pump, Blade number, CFD, Impeller losses, Mixing losseshttp://www.sciencedirect.com/science/article/pii/S1110016819300109 |
| spellingShingle | Gamal R.H. Abo Elyamin Magdy A. Bassily Khalil Y. Khalil Mohamed Sh. Gomaa Effect of impeller blades number on the performance of a centrifugal pump Alexandria Engineering Journal |
| title | Effect of impeller blades number on the performance of a centrifugal pump |
| title_full | Effect of impeller blades number on the performance of a centrifugal pump |
| title_fullStr | Effect of impeller blades number on the performance of a centrifugal pump |
| title_full_unstemmed | Effect of impeller blades number on the performance of a centrifugal pump |
| title_short | Effect of impeller blades number on the performance of a centrifugal pump |
| title_sort | effect of impeller blades number on the performance of a centrifugal pump |
| url | http://www.sciencedirect.com/science/article/pii/S1110016819300109 |
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