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Investigation on gas-liquid two-phase flow centrifugal pump performances for different rotational speeds

Article dans une revue avec comité de lecture
Auteur
CUI, Q L
462211 JiangSu University
SI, Q R
462211 JiangSu University
BOIS, Gérard
531216 Laboratoire de Mécanique des Fluides de Lille - Kampé de Fériet [LMFL]
YUAN, S Q
462211 JiangSu University
YUAN, J P
462211 JiangSu University

URI
http://hdl.handle.net/10985/15461
DOI
10.1088/1755-1315/240/3/032016
Date
2019
Journal
IOP Conference Series: Earth and Environmental Science

Résumé

Performance characteristics of a centrifugal pump under gas-liquid mixture are presented, using a direct coupled single-stage, single-suction centrifugal pump. Both experimental and numerical simulations comparison are carried out, for three different rotational speeds and different inlet gas volume fractions, the results of which are presented, based on dimensionless coefficients from similarity laws. The numerical results show that good agreement is obtained with experimental data at nominal rotational speed for several flow coefficients. It is found that the running of the pump is near the sudden break down of the present pump when the inlet void fraction is below 7%. However, numerical results are less sensitive to rotational speed effects compared with experiment ones; the influence of decreasing rotational speed on pump performances is more and more pronounced when inlet gas void fraction increases and flow coefficient decreases. Froude number effects are taken into account in order to explain part of these differences.

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LMFL_IAHR_2019_BAYEUL-LAINE.pdf
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  • Laboratoire de Mécanique des Fluides de Lille (LMFL)

Documents liés

Visualiser des documents liés par titre, auteur, créateur et sujet.

  • Experimental Investigations on the Inner Flow Behavior of Centrifugal Pumps under Inlet Air-Water Two-Phase Conditions 
    Article dans une revue avec comité de lecture
    SI, Qiaorui; ZHANG, Haoyang; BOIS, Gérard; ZHANG, Jinfeng; CUI, Qianglei; YUAN, Shouqi (MDPI, 2019)
    Centrifugal pumps are widely used and are known to be sensitive to inlet air-water two-phase flow conditions. The pump performance degradation mainly depends on the changes in the two-phase flow behavior inside the pump. ...
  • Investigation on centrifugal pump performance degradation under air-water inlet two-phase flow conditions 
    Article dans une revue avec comité de lecture
    SI, Qiaorui; CUI, Qianglei; ZHANG, Keyu; YUAN, Jianping; BOIS, Gérard (EDP Sciences, 2018)
    In order to study the flow characteristics of centrifugal pumps when transporting the gas-liquid mixture, water and air were chosen as the working medium. Both numerical simulation and experimental tests were conducted on ...
  • Experimental and numerical studies on flow characteristics of centrifugal pump under air-water inflow 
    Article dans une revue avec comité de lecture
    SI, Qiaorui; HE, Wenting; BOIS, Gérard; CUI, Qianglei; YUAN, Shouqui; ZHANG, Keyu (Korean Society for Fluid Machinery, 2019)
    A two-phase liquid pumping test ring is built to study the flow induced characteristics of centrifugal pump under the air-water flow working condition. Pump performances are measured under different flow rates and different ...
  • Investigation on the influence of jetting equipment on the characteristics of centrifugal pump 
    Article dans une revue avec comité de lecture
    SI, Qiaorui; YUAN, Shouqi; YUAN, Jianping; BOIS, Gérard (Sage Journals, 2016)
    To reduce radial noises from the motor of centrifugal pumps, this study designed a water cooling system called jettingequipment to replace traditional fan cooling systems in pump motors. By measuring radiated noises, head, ...
  • Air-water two-phase flow experimental and numerical analysis in a low specific speed centrifugal pump 
    Communication avec acte
    SI, Qiaorui; BOIS, Gérard; ZHANG, Keyu; YUAN, Jianping (European Turbomachinery Society, 2017)
    The paper presents experimental and numerical investigations performed on a single stage, single-suction, horizontal-orientated centrifugal pump in air-water two-phase non condensable flow conditions. Experimental test ...

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