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The influence of the flow rate on periodic flow unsteadiness behaviors in a sewage centrifugal pump

To design a single-blade pump with a good performance in a wide operational range and to increase the pump reliability in the multi-conditional hydraulic design process, an understanding of the unsteady flow behaviors as related with the flow rate is very important. However, the traditional design o... Full description

Journal Title: Journal of Hydrodynamics Ser.B, October 2013, Vol.25(5), pp.702-709
Main Author: PEI, Ji
Other Authors: Yuan, Shou-Qi , Yuan, Jian-Ping , Wang, Wen-Jie
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 1001-6058 ; DOI: 10.1016/S1001-6058(13)60415-1
Link: https://www.sciencedirect.com/science/article/pii/S1001605813604151
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recordid: elsevier_sdoi_10_1016_S1001_6058_13_60415_1
title: The influence of the flow rate on periodic flow unsteadiness behaviors in a sewage centrifugal pump
format: Article
creator:
  • PEI, Ji
  • Yuan, Shou-Qi
  • Yuan, Jian-Ping
  • Wang, Wen-Jie
subjects:
  • Flow Rate Effect
  • Flow Unsteadiness
  • Turbulence Intensity
  • Sewage Centrifugal Pump
  • Multi-Conditions
  • Engineering
ispartof: Journal of Hydrodynamics, Ser.B, October 2013, Vol.25(5), pp.702-709
description: To design a single-blade pump with a good performance in a wide operational range and to increase the pump reliability in the multi-conditional hydraulic design process, an understanding of the unsteady flow behaviors as related with the flow rate is very important. However, the traditional design often considers only a single design condition, and the unsteady flow behaviors have not been well studied for single-blade pumps under different conditions. A comparison analysis of the flow unsteadiness behaviors at different flow rates within the whole flow passage of the pump is carried out in this paper by solving the three-dimensional unsteady Reynolds-averaged Navier-Stokes equations with the Shear Stress Transport (SST) turbulence model. A definition of the unsteadiness in the pump is made and applied to analyze the unsteady intensity distributions, and the flow rate effect on the complex unsteady flow in the pump is studied quantitatively while the flow mechanism is also analyzed....
language: eng
source:
identifier: ISSN: 1001-6058 ; DOI: 10.1016/S1001-6058(13)60415-1
fulltext: fulltext
issn:
  • 1001-6058
  • 10016058
url: Link


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titleThe influence of the flow rate on periodic flow unsteadiness behaviors in a sewage centrifugal pump
creatorPEI, Ji ; Yuan, Shou-Qi ; Yuan, Jian-Ping ; Wang, Wen-Jie
ispartofJournal of Hydrodynamics, Ser.B, October 2013, Vol.25(5), pp.702-709
identifierISSN: 1001-6058 ; DOI: 10.1016/S1001-6058(13)60415-1
subjectFlow Rate Effect ; Flow Unsteadiness ; Turbulence Intensity ; Sewage Centrifugal Pump ; Multi-Conditions ; Engineering
descriptionTo design a single-blade pump with a good performance in a wide operational range and to increase the pump reliability in the multi-conditional hydraulic design process, an understanding of the unsteady flow behaviors as related with the flow rate is very important. However, the traditional design often considers only a single design condition, and the unsteady flow behaviors have not been well studied for single-blade pumps under different conditions. A comparison analysis of the flow unsteadiness behaviors at different flow rates within the whole flow passage of the pump is carried out in this paper by solving the three-dimensional unsteady Reynolds-averaged Navier-Stokes equations with the Shear Stress Transport (SST) turbulence model. A definition of the unsteadiness in the pump is made and applied to analyze the unsteady intensity distributions, and the flow rate effect on the complex unsteady flow in the pump is studied quantitatively while the flow mechanism is also analyzed....
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To design a single-blade pump with a good performance in a wide operational range and to increase the pump reliability in the multi-conditional hydraulic design process, an understanding of the unsteady flow behaviors as related with the flow rate is very important. However, the traditional design often considers only a single design condition, and the unsteady flow behaviors have not been well studied for single-blade pumps under different conditions. A comparison analysis of the flow unsteadiness behaviors at different flow rates within the whole flow passage of the pump is carried out in this paper by solving the three-dimensional unsteady Reynolds-averaged Navier-Stokes equations with the Shear Stress Transport (SST) turbulence model. A definition of the unsteadiness in the pump is made and applied to analyze the unsteady intensity distributions, and the flow rate effect on the complex unsteady flow in the pump is studied quantitatively while the flow mechanism is also analyzed....

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abstract

To design a single-blade pump with a good performance in a wide operational range and to increase the pump reliability in the multi-conditional hydraulic design process, an understanding of the unsteady flow behaviors as related with the flow rate is very important. However, the traditional design often considers only a single design condition, and the unsteady flow behaviors have not been well studied for single-blade pumps under different conditions. A comparison analysis of the flow unsteadiness behaviors at different flow rates within the whole flow passage of the pump is carried out in this paper by solving the three-dimensional unsteady Reynolds-averaged Navier-Stokes equations with the Shear Stress Transport (SST) turbulence model. A definition of the unsteadiness in the pump is made and applied to analyze the unsteady intensity distributions, and the flow rate effect on the complex unsteady flow in the pump is studied quantitatively while the flow mechanism is also analyzed....

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