Study on the influence of inducer and its guide vanes on cryogenic cavitation and pressure fluctuation characteristics of an LNG pump [PDF]
Scientific ReportsLiquefied natural gas (LNG) pumps are prone to cavitation under cryogenic operation. This study establishes a numerical model to investigate the influence of an inducer and its guide vanes on the cavitation and pressure fluctuation characteristics of a ...
Xiaobao Zhang +5 more
doaj +2 more sources
Numerical simulation of pressure pulsation in vane area of a pump-turbine at pump mode [PDF]
, 2020 When a reversible pump-turbine is running under the low-flow conditions in pump mode, it is easy to produce low-frequency and high-amplitude pressure pulsation, which affects the stability of the unit.
Guo, Yao +7 more
core +1 more source
Numerical Simulation On A Pump Operating In A Turbine Mode [PDF]
, 2007 Lecturepg. 21This paper deals with pump as turbine (PAT) as a feasible solution to the energy problems in rural and hilly areas. PAT provides an economical alternative to actual turbines especially for pico and microhydropower generation.
Rawal, Sonia, Kshirsagar, J. T.
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Design study of a regenerative pump using one-dimensional and three-dimensional numerical techniques [PDF]
, 2012 Regenerative pumps are low cost, compact, able to deliver high heads at low flow rates. Furthermore with stable performance characteristics they can operate with very small NPSH.
Quail, Francis J. +5 more
core +4 more sources
Design study of a novel regenerative pump using experimental and numerical techniques [PDF]
, 2010 This paper presents a numerical and experimental analysis of a new regenerative pump design. The complex flow-field within regenerative pumps represents a significant challenge to previous published mathematical models. The new pump design incorporates a
Quail, Francis J. +2 more
core +3 more sources
Investigations on static and dynamic properties of liquid annular seals by a new transient numerical method with circular whirl model [PDF]
AIP AdvancesAnnular seals are employed in centrifugal pumps to inhibit leakage for reducing the effect of leaking fluid on the main flow. However, the seals generate fluid excitation forces while controlling the leakage flow, which seriously compromises the ...
Fengqin Li +6 more
doaj +1 more source
Applied Sciences, 2022 The vibration characteristics induced by radial hydraulic force on the fire turbopump have been investigated by numerical simulations in this paper. The numerical model was validated with corresponding experimental measurements.
Ye Yuan, Rong Jin, Lingdi Tang
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Numerical and experimental design study of a regenerative pump [PDF]
, 2010 This paper presents the use of a commercial CFD code to simulate the flow-field within the regenerative pump and compare the CFD results with new experimental data.
Quail, Francis J. +2 more
core +3 more sources
Design optimisation of a regenerative pump using numerical and experimental techniques [PDF]
, 2011 Regenerative pumps are the subject of increased interest in industry as these pumps are low cost, low specific speed, compact and able to deliver high heads with stable performance characteristics.
Scanlon, T.J. +5 more
core +4 more sources
Hydrodynamic optimization of pump-turbine runner [PDF]
E3S Web of Conferences, 2023 The paper suggests the approach to automatic CFD-based optimization of the pump-turbine runner. An in-house 3D flow solver CADRUN is used for the solution of steady-state RANS equations and evaluation of objective functions in representative operating ...
Chirkov Denis +4 more
doaj +1 more source