Results 11 to 20 of about 49,702 (288)
Numerical simulation of tip clearance impact on a pumpjet propulsor
International Journal of Naval Architecture and Ocean Engineering, 2016 Numerical simulation based on the Reynolds Averaged Navier–Stokes (RANS) Computational Fluid Dynamics (CFD) method had been carried out with the commercial code ANSYS CFX. The structured grid and SST k–ω turbulence model had been adopted.
Lin Lu, Guang Pan, Jing Wei, Yipeng Pan
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Influences of Tip Cooling Injection on Tip Clearance Control at Design and Off-Design Incidences [PDF]
International Journal of Rotating Machinery, 2009 A numerical investigation has been performed to study the influences of cooling injection from the blade tip surface on controlling tip clearance flow in an unshrouded, high-turning axial turbine cascade.
Maosheng Niu, Shusheng Zang
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Effect of blade tip configuration on tip clearance loss of a centrifugal impeller.
TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 1987 According to the theory presented by the authors, the tip clearance loss of an un-shrouded centrifugal impeller mainly consists of two kinds of loss; one is the drag due to the leakage flow through the blade tip clearance and the other is the pressure loss to support the fluid in the thin annular clearance space between the shroud and the blade tip ...
ISHIDA, Masahiro +2 more
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A Review of Tip Clearance in Propeller, Pump and Turbine
Energies, 2018 Propellers, pumps, and turbines are widely applied in marine equipment, water systems, and hydropower stations. With the increasing demand for energy conservation and environmental protection, the high efficiency and the stable operation of pumps and ...
Yabin Liu, Lei Tan, Binbin Wang
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Tip-clearance effects in axial compressors
, 2020 The flow in the tip-clearance gap of a compressor has a profound effect on its performance, but understanding of the actual flow phenomena involved is limited. The current work aims to improve the situation through a comprehensive set of tests on a compressor with different clearance sizes and levels of eccentricity.
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Fluids, 2022 The multiphase rotodynamic pump is widely used in petroleum and gas exploitation, and blade tip clearance may cause flow instability and performance deterioration.
Weihua Sun +3 more
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Flow behaviors in a Kaplan turbine runner with different tip clearances
Advances in Mechanical Engineering, 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.
Yue Ma +6 more
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Effect of Tip Clearance on the Cavitation Flow in a Shunt Blade Inducer
Energies, 2022 In order to study the effect of tip clearance on the internal cavitation stability of a shunt blade inducer, an external characteristics experiment of a centrifugal pump with a shunt blade inducer was carried out.
Xiaomei Guo +4 more
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AIP Advances, 2023 This paper aims at the numerical analysis of the influence of tip clearance size on the pre-stall flow features of a transonic high-speed compressor by applying the throttle model at the exit of the compressor computational domain.
Khalid Kamal Abdelbagi
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Prediction of the Influence of Runner Tip Clearance on the Performance of Tubular Turbine
Journal of Marine Science and Engineering, 2022 Tubular turbine is a type of turbine with low-head. Due to the fact that the runner of a tubular turbine is of axial-flow type, there will be a certain width of blade tip between the blade and the chamber.
Yanzhao Wu +7 more
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