Open AccessResearch on the Influence of Balance Hole on the Performance of Ocean energy gas-liquid multiphase pump
Author(s) -
Hang Xie,
Xingqi Luo,
Chenhao Li,
Sina Yan,
Guojun Zhu
Publication year - 2021
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/766/1/012024
Subject(s) - impeller , inlet , mechanics , centrifugal pump , rotodynamic pump , flow (mathematics) , energy balance , materials science , balance (ability) , environmental science , marine engineering , progressive cavity pump , thermodynamics , mechanical engineering , engineering , physics , radial piston pump , variable displacement pump , medicine , physical medicine and rehabilitation
In this paper, the Euler-Euler heterogeneous flow model is used to simulate the models of centrifugal deep-sea multiphase pump before and after the balance hole is opened under different inlet air ratios. The effect of the balance hole on the external characteristics of the pump is illustrated by comparing the static pressure distribution on the blade surface before and after the opening and the hydraulic loss in the impeller. The research results show that when the inlet air content is less than 5%, the external characteristics of the multipahse pump are reduced, and when the inlet air content is greater than 5%, the balance hole has an improved effect on the external characteristics of the mixed pump. At this time, the static pressure on the blade surface is increased compared with the original model, and the flow loss on the impeller is significantly reduced.