Theoretical, experimental, and numerical study of special impeller used in turbine mode of centrifugal pump as turbine

Wang, Tao; Wang, Chuan; Kong, Fankai; Gou, Qiuqin; Yang, Sun-Sheng

doi:10.1016/j.energy.2017.04.156

Cited by 97 publications

(40 citation statements)

References 25 publications

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“…Pumps are a type of general machine with many varieties and extensive applications, and they are used in all places with liquid flow in all national economic sectors . Statistics indicate that pumps' power consumption accounts for nearly 22% of the world's energy used by electric motors . Self‐priming centrifugal pumps, or self‐priming pumps, have no bottom valve in the inlet pipe.…”

Section: Introductionmentioning

confidence: 99%

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Numerical and experimental study of the self‐priming process of a multistage self‐priming centrifugal pump

Wang

Zhang

et al. 2019

Int J Energy Res

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Summary Pumps are a type of general machine with many varieties and extensive application. To simulate really the self‐priming process of multistage self‐priming centrifugal pump, the numerical calculation of gas‐water two‐phase flow on a four‐stage self‐priming pump was performed based on ANSYS CFX software. Moreover, a transparent plastic tube was installed at the pump outlet, and the photographic technology was used to observe the appearance of gas‐water escape during the self‐priming process of multistage self‐priming centrifugal pump. The experimental results were compared with the numerical results. It is found that the whole self‐priming process of self‐priming pump can be divided into three stages: the initial self‐priming stage, the middle self‐priming stage, and the final self‐priming stage. Moreover, the self‐priming time of the initial and final self‐priming stages accounts for a small percentage of the whole self‐priming process, while the middle self‐priming stage is the main stage in the self‐priming process, which determines the length of self‐priming time. The experimental results are very close to the numerical results in the initial and middle self‐priming stages.

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Section: Introductionmentioning

confidence: 99%

“…[1][2][3][4][5] Statistics indicate that pumps' power consumption accounts for nearly 22% of the world's energy used by electric motors. [6][7][8][9][10] Self-priming centrifugal pumps, or self-priming pumps, have no bottom valve in the inlet pipe. The pump structure is changed such that it can store some water.…”

Section: Introductionmentioning

confidence: 99%

Numerical and experimental study of the self‐priming process of a multistage self‐priming centrifugal pump

Wang

Zhang

et al. 2019

Int J Energy Res

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“…Hydraulic and electrical regulation are the commonly suggested solutions. Many scientific papers have recently been published to investigate the various aspects of the mechanical design [3][4][5], the fluid dynamics [6,7], and the reliability [8][9][10] of PATs, contributing to an optimal design of the MHP. In addition, the economic viability of MHP has been analyzed based on the different costs of energy, benefits of feed-in tariffs, and on the lower use of water due to the pressure reduction [11][12][13].…”

Section: Methodsmentioning

confidence: 99%

Reducing the Energy Dependency of Water Networks in Irrigation, Public Drinking Water, and Process Industry: REDAWN Project

et al. 2018

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“…Yang et al (2012) used CFD technology to explore the reasons for performance variation on pump as turbine (PAT) when the impeller diameter is trimmed. Wang et al (2017) studied a special impeller used on pump as turbine (PAT). In that study, hydraulic loss, internal flow characteristic, and static pressure distribution were analyzed on the basis of the two PATs' numerical results obtained by CFD.…”

Section: Introductionmentioning

confidence: 99%

CFD simulation on centrifugal pump impeller with splitter blades

Rosa

Emerick

2020

Rev. bras. eng. agríc. ambient.

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The present paper aims to present the analysis and comparison of results of computational simulations using Computational Fluids Dynamics (CFD) in impellers of centrifugal pump. Three impellers were simulated: 1) original impeller, 2) original impeller with splitter blades at outlet; 3) original impeller with splitter blades at inlet. The splitters occupied 30% of the length of the main blades. They were simulated using the ANSYS-CFX software system in 1500 rpm rotational speed and at different flow rates. The turbulence model assumed was the Shear Stress Transport (SST). The results were used to build impeller blade head curves, besides the presentation of pressure distribution and streamline behaviour inside the impeller. It was verified that the insertion of the splitter blades reduced the impeller blade head, mainly the impeller with outlet splitter, whose reduction was more intense.

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Theoretical, experimental, and numerical study of special impeller used in turbine mode of centrifugal pump as turbine

Cited by 97 publications

References 25 publications

Numerical and experimental study of the self‐priming process of a multistage self‐priming centrifugal pump

Numerical and experimental study of the self‐priming process of a multistage self‐priming centrifugal pump

Reducing the Energy Dependency of Water Networks in Irrigation, Public Drinking Water, and Process Industry: REDAWN Project

CFD simulation on centrifugal pump impeller with splitter blades

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