A centrifugal pump includes an impeller and a volute casing. The impeller comprises a main disc and a plurality of vanes which project axially from at least one side of the disc. A fluid passage is fo
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The grids of the impeller and volute are shown in Figure 3. Figure 3. Centrifugal pump grid diagram: (a) impeller; (b) volute. In order to reduce the influence of the grid numbers on the numerical results, grid-independent analysis was conducted. The head of the centrifugal pump at a...
Simplified diagram of a separation channel and how a solid particle moves in the liquid during separation. The limit particle The limit particle is a particle of such a size that if it starts from the least favourable position,i.e.point A in Figure 6.2.17, it will only just reach the up...
The start of surge is clearly evident with a whistle sound and the pressure and temperature values start to fluctuate. Fig. 1 Schematic diagram of Beijing Institute of Technology's Turbocharger test facility. Fig. 2 Beijing Institute of Technology's Turbocharger test facility. The ...
A method and apparatus for determining a fluid level and/or output flow during operation of a centrifugal pump, are provided, which may be used for production of gas and/or oil from
Schematic diagram of pump station layout [39]. Since measured CPCs with ns = 18.7 were lacking, to quantitatively evaluate and verify the reliability of the CPCs prediction method proposed in this paper, numerical simulations of the hydraulic transient process are carried out under the same accide...
3.1. Pump General Performance The external characteristics of the pump were tested on the simple opening test rig. The circuit diagram designed for testing is presented in Figure 6, including a large circulating pool, a pump and motor for the test, pipelines at the pump inlet, filters, pump ...
double suction centrifugal pump; transient characteristic; starting period; pressure fluctuation; vibration Graphical Abstract1. Introduction In China, the power of all kinds of pumps can currently reach 950 million kW and accounts for about 16% of all electricity consumption in the country. The ...