Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Zongku Liu"'
Publikováno v:
AIP Advances, Vol 12, Iss 8, Pp 085326-085326-15 (2022)
Tip clearance inevitably exists in helico-axial flow multiphase pumps, which generates a great impact on flow characteristics. To select a reasonable tip clearance and improve the transporting efficiency, different tip clearances (Rtc = 0.5, 1.0, and
Externí odkaz:
https://doaj.org/article/3be70f3fe24444ae81b3be8aae2ccca2
Publikováno v:
Advances in Mechanical Engineering, Vol 13 (2021)
Tip clearance between the runner blade tip and shroud in a Kaplan turbine is inevitable, and the tip leakage flow (TLF) and tip leakage vortex (TLV) induced by the tip clearance have a considerable effect on the flow behaviors. To reveal the effect o
Externí odkaz:
https://doaj.org/article/a95c71ecf5c94efea0841489042a44f3
Publikováno v:
Renewable Energy. 177:1308-1320
To reveal the effect of cavitation on the energy conversion characteristics of helical axial multiphase pump (Abbreviated to multiphase pump), the cavitation flow in multiphase pump is simulated. The results show that with the decrease of cavitation
Publikováno v:
Renewable Energy. 157:9-23
In order to analyze the energy conversion characteristics of the impeller blades in multiphase pump quantitatively, the impeller performance in design working condition was studied under water and gas-liquid two-phase flow, respectively. The results
Publikováno v:
Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy. 235:454-475
To investigate the effect of tip clearance on the velocity distribution in a multiphase pump, the internal flow and velocity distribution characteristics in pump under different tip clearances are studied using experimental and numerical methods. Sim
Publikováno v:
Renewable Energy. 150:46-57
Inlet gas void fraction (IGVF) played an important role on the flow characteristics in a multiphase pump. To reveal the effect of inlet gas void fraction on the flow characteristics in the tip clearance, a combination of numerical simulation and expe
Publikováno v:
Renewable Energy. 150:703-711
Because of the clearance and pressure difference between the pressure side (PS) and the suction side (SS), the tip leakage flow developed and evolved into tip leakage vortex (TLV). The relationship between the swirling strength of TLV and the pressur
Publikováno v:
Processes, Vol 9, Iss 1402, p 1402 (2021)
Processes
Volume 9
Issue 8
Processes
Volume 9
Issue 8
To improve the transport performance of a rotodynamic multiphase pump for a gas–liquid mixture, we took the head and efficiency index at rated flow rate with 15% inlet gas volume fraction as the indices, and used the orthogonal test design method a
Publikováno v:
Processes
Volume 9
Issue 3
Processes, Vol 9, Iss 556, p 556 (2021)
Volume 9
Issue 3
Processes, Vol 9, Iss 556, p 556 (2021)
Tip clearance has a great effect on the flow and pressure fluctuation characteristics in a multiphase pump, especially at multiple operating points. The phase distribution and pressure fluctuation in tip clearance in a multiphase pump are revealed us
Publikováno v:
Processes
Volume 9
Issue 9
Processes, Vol 9, Iss 1653, p 1653 (2021)
Volume 9
Issue 9
Processes, Vol 9, Iss 1653, p 1653 (2021)
To reveal the effect of tip clearance on the flow behaviors and pressurization performance of a helico-axial flow pump, the standard k-ε turbulence model is employed to simulate the flow characteristics in the self-developed helico-axial flow pump.