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Numerical Investigation of the Flow Field and Mass Transfer Characteristics in a Jet Slurry Pump

doi: 10.3390/pr9112053
A jet pump is used to transport a variety of working media and is especially suitable for dredged soil transporting. In this study, a three-dimensional numerical study of a jet pump that is used for slurry delivery was carried out. The characteristics of the internal flow field of the mixing chamber with different working parameters were comprehensively analyzed. The results indicate that the pressure of the axial line decreases with increasing flow ratio (ratio of suction flux and inlet flux) while the pressure of the injected slurry shows a downward trend. With the increase in the flow ratio, the pressure ratio (difference between inlet pressure and suction pressure divided by the difference between exit pressure and suction pressure) falls off while the efficiency presents a parabolic distribution. The pressure ratio can be promoted by properly increasing the length of the mixing chamber so that the available efficiency is broadened. When the mixing chamber length is L = 2.5Dn~4.0Dn (Dn is nozzle outlet diameter), the highly efficient area is wide; in particular, when L = 3.5Dn, the jet slurry pump with the highest efficiency of 27.6% has the best performance.
- Shanghai Jiao Tong University China (People's Republic of)
- Wuhan University of Technology China (People's Republic of)
- Wuhan University China (People's Republic of)
- Delft University of Technology Netherlands
- Wuhan University China (People's Republic of)
Flow ratio, Slurry, 621, Efficiency, jet pump, efficiency, flow ratio, slurry, CFD, Jet pump
Flow ratio, Slurry, 621, Efficiency, jet pump, efficiency, flow ratio, slurry, CFD, Jet pump
citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).3 popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.Average influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).Average impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.Average visibility views 11 download downloads 12 - 11views12downloads
Data source Views Downloads TU Delft Repository 11 12


