Numerical and Experimental Analysis of Influence of Impeller Structures on Slurry Pump Performance

Slurry pump as an important equipment for transporting coal, which are widely used in power plants, mines and other fossil energy field. Therefore, the improvement of slurry pump performance can effectively reduce the energy loss of fossil energy industry. In this paper, a novel impeller with splitt...

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Autores principales: Guangjie Peng, Jialin Du, Hao Chang, Qiang Chen, Jiahu Li, Chengxiang Pan, Yongfei Yang
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Lenguaje:EN
Publicado: Frontiers Media S.A. 2021
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Acceso en línea:https://doaj.org/article/ae43f45ce1c1456ab96bbea1043db0a6
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spelling oai:doaj.org-article:ae43f45ce1c1456ab96bbea1043db0a62021-11-22T06:33:34ZNumerical and Experimental Analysis of Influence of Impeller Structures on Slurry Pump Performance2296-598X10.3389/fenrg.2021.762159https://doaj.org/article/ae43f45ce1c1456ab96bbea1043db0a62021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fenrg.2021.762159/fullhttps://doaj.org/toc/2296-598XSlurry pump as an important equipment for transporting coal, which are widely used in power plants, mines and other fossil energy field. Therefore, the improvement of slurry pump performance can effectively reduce the energy loss of fossil energy industry. In this paper, a novel impeller with splitter blade structure was proposed, and the internal flow field of slurry pumps with different impeller structures was analyzed. Meanwhile, according to the shape and structure of the vortex in slurry pump, the vortex can be divided into leading edge vortex, trailing edge vortex and gap leakage vortex by employing the Q criterion, and the generation mechanism of each vortex and relationship between vortex strength and flow condition were analyzed. What is more, the entropy generation theory was employed to study the energy loss of slurry pump. The pressure distribution and wear characteristics of different impeller structures under two-phase flow conditions are studied. The result shows that the energy loss caused by entropy production in the slurry pump can be declined by employing the splitter blades, which can restrain the flow separation at the impeller outlet. Thus, the impeller with splitter blades not only can reduce the energy loss of the slurry pump, but also enhance the wear characteristics of impeller under two-phase flow conditions. Finally, the result can provide the guidelines for the design optimization of slurry pump.Guangjie PengJialin DuHao ChangQiang ChenJiahu LiChengxiang PanYongfei YangFrontiers Media S.A.articleslurry pumpenergy lossentropy productionwear characteristicenergy-saving technologyGeneral WorksAENFrontiers in Energy Research, Vol 9 (2021)
institution DOAJ
collection DOAJ
language EN
topic slurry pump
energy loss
entropy production
wear characteristic
energy-saving technology
General Works
A
spellingShingle slurry pump
energy loss
entropy production
wear characteristic
energy-saving technology
General Works
A
Guangjie Peng
Jialin Du
Hao Chang
Qiang Chen
Jiahu Li
Chengxiang Pan
Yongfei Yang
Numerical and Experimental Analysis of Influence of Impeller Structures on Slurry Pump Performance
description Slurry pump as an important equipment for transporting coal, which are widely used in power plants, mines and other fossil energy field. Therefore, the improvement of slurry pump performance can effectively reduce the energy loss of fossil energy industry. In this paper, a novel impeller with splitter blade structure was proposed, and the internal flow field of slurry pumps with different impeller structures was analyzed. Meanwhile, according to the shape and structure of the vortex in slurry pump, the vortex can be divided into leading edge vortex, trailing edge vortex and gap leakage vortex by employing the Q criterion, and the generation mechanism of each vortex and relationship between vortex strength and flow condition were analyzed. What is more, the entropy generation theory was employed to study the energy loss of slurry pump. The pressure distribution and wear characteristics of different impeller structures under two-phase flow conditions are studied. The result shows that the energy loss caused by entropy production in the slurry pump can be declined by employing the splitter blades, which can restrain the flow separation at the impeller outlet. Thus, the impeller with splitter blades not only can reduce the energy loss of the slurry pump, but also enhance the wear characteristics of impeller under two-phase flow conditions. Finally, the result can provide the guidelines for the design optimization of slurry pump.
format article
author Guangjie Peng
Jialin Du
Hao Chang
Qiang Chen
Jiahu Li
Chengxiang Pan
Yongfei Yang
author_facet Guangjie Peng
Jialin Du
Hao Chang
Qiang Chen
Jiahu Li
Chengxiang Pan
Yongfei Yang
author_sort Guangjie Peng
title Numerical and Experimental Analysis of Influence of Impeller Structures on Slurry Pump Performance
title_short Numerical and Experimental Analysis of Influence of Impeller Structures on Slurry Pump Performance
title_full Numerical and Experimental Analysis of Influence of Impeller Structures on Slurry Pump Performance
title_fullStr Numerical and Experimental Analysis of Influence of Impeller Structures on Slurry Pump Performance
title_full_unstemmed Numerical and Experimental Analysis of Influence of Impeller Structures on Slurry Pump Performance
title_sort numerical and experimental analysis of influence of impeller structures on slurry pump performance
publisher Frontiers Media S.A.
publishDate 2021
url https://doaj.org/article/ae43f45ce1c1456ab96bbea1043db0a6
work_keys_str_mv AT guangjiepeng numericalandexperimentalanalysisofinfluenceofimpellerstructuresonslurrypumpperformance
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AT qiangchen numericalandexperimentalanalysisofinfluenceofimpellerstructuresonslurrypumpperformance
AT jiahuli numericalandexperimentalanalysisofinfluenceofimpellerstructuresonslurrypumpperformance
AT chengxiangpan numericalandexperimentalanalysisofinfluenceofimpellerstructuresonslurrypumpperformance
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