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The axial tip clearance leakage analysis of the squealer blade tip for the liquid-ring pump [PDF]
Scientific ReportsThe gas-liquid two phase leakage flow in the clearance of Liquid ring pump has severe negative impact on its hydraulic performance. In order to analyze the flow structure of leakage flow and suppress it, the squealer blade tip was introduced to Liquid ...
Xiaoxiao Wei +4 more
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Effect of hydraulic and geometric factors upon leakage flow rate in pressurized pipes
RBRH, 2021 Computational Fluid Dynamics (CFD) simulations of a leakage in a pressurized pipe were undertaken to determine the empirical effects of hydraulic and geometric factors on the leakage flow rate.
Mayara Francisca da Silva +2 more
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The Influence of Radial and Axial Gaps on Volumetric Efficiency of External Gear Pumps
Energies, 2021 The design of gear pumps and motors is focused on more efficient units which are possible to achieve using advanced numerical simulation techniques. The flow that appears inside the gear pump is very complex, despite the simple design of the pump itself.
Paulina Szwemin, Wieslaw Fiebig
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Fractal and Fractional, 2023 Axial-flow turbomachinery is widely used in low head water transfer and electricity generation projects. As there is a gap between the impeller and casing of the tubular flow unit, the fluid will cross the gap to form tip leakage flow, which may induce ...
Zilong Hu +4 more
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Energies, 2022 Both the compressor performance and the 3D flows inside the stator passage are significantly impacted by the stator hub gap. The interplay between leakage flow and corner separation within a cantilevered stator of a highly loaded, low-speed axial ...
Guangfeng An +5 more
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Applied Sciences, 2021 In order to investigate the effect of seal cavity leakage flow on a compressor’s performance and the interaction mechanism between the leakage flow and the main flow, a one-stage compressor with a cavity under the shrouded stator was numerically ...
Dong Liang, Xingmin Gui, Donghai Jin
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Experimental Study of the Leakage Flow in an Axial-Flow Fan at Variable Loading
International Journal of Turbomachinery, Propulsion and Power, 2021 The present paper reports a 2D-PIV (particle image velocimetry) study of the effect of the operating point on the leakage flow in a low-speed ring fan.
Edward Canepa +3 more
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Toward the Utilization of 3D Blading in the Cantilevered Stator from Highly Loaded Compressors
Applied Sciences, 2023 Three-dimensional blading is an efficient technique in compressor aerodynamic design, and its function mechanism in the cantilevered stator needs to be addressed. This paper focuses on the sweep and dihedral in the cantilevered stator and seeks to expose
Xiaobin Xu +5 more
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Investigation of Flow through a Labyrinth Seal [PDF]
INCAS Bulletin, 2021 Growing performance requirements for gas turbines have led to a continuous increase in gas temperature and pressure ratios. Together with the resulting increase in cooling flows, this requires more and more minimization and control of internal gas leaks.
Marius ENACHE +4 more
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Aerospace, 2023 The accurate prediction of tip leakage flow is the premise for flow mechanism analysis and compressor performance optimization. The detached eddy simulation (DES) method, which compromises cost and accuracy, has excellent potential for a high Reynolds ...
Shiyan Lin, Ruiyu Li, Limin Gao, Ning Ge
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