Results 11 to 20 of about 23,679 (213)
International Journal of Turbomachinery, Propulsion and Power, 2021 A Large-Eddy Simulation of the tip leakage flow of a single airfoil is carried out. The configuration consists of a non-rotating, isolated airfoil between two horizontal plates with a gap of 10 mm between the tip of the airfoil and the lower plate.
David Lamidel +3 more
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Aerospace, 2022 A centrifugal compressor of a micro turbine generator system is investigated by the theoretical model and numerical analysis to explore the characteristics of the tip leakage vortex as the centrifugal compressor approaches stall. The numerical simulation
Shuli Hong, Jun Chi, Xin Xiang, Weiyu Lu
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Leakage Flow Characteristics in Blade Tip of Shaft Tubular Pump
Journal of Marine Science and Engineering, 2023 The shaft tubular pump device is widely used in various water diversion projects because of its ultra-low head and large flow characteristics. Due to the tip clearance between the blade and the shroud, it is easy to cause hydraulic mechanical performance
Zhikang Lin +5 more
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Oscillatory Tip Leakage Flows and Stability Enhancement in Axial Compressors
International Journal of Rotating Machinery, 2018 Rotating stall axial compressor is a difficult research field full of controversy. Over the recent decades, the unsteady tip leakage flows had been discovered and confirmed by several research groups independently.
Feng Lin, Jingyi Chen
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Using Tip Injection to Stability Enhancement of a Transonic Centrifugal Impeller with Inlet Distortion [PDF]
Journal of Applied Fluid Mechanics, 2022 This paper aims to understand the effects of circumferential inlet distortion and tip injection on a transonic impeller performance and flow field. For distorted inflow, the impeller is subjected to a stationary 120-degrees circumferential total pressure
Z. Jahani, H. Khaleghi, S. Tabejamaat
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A novel approach for suppressing leakage flow through turbine blade tip gaps
Propulsion and Power Research, 2022 Tip clearance leakage flow of the turbine bade is an important factor limiting the augment of the high pressure turbine efficiency, which should be suppressed utilizing certain methods.
Tianyi Wang, Yimin Xuan
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Applied Sciences, 2022 Semi-open centrifugal pumps are widely used in various fields. However, the tip leakage vortex (TLV) has a malign effect on the impeller flow field.
Bing Qian +5 more
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Energies, 2022 To operate, radial turbines used in turbochargers require a minimum tip gap between the rotor blades and the stationary wall casing (shroud). This gap generates leakage flow driven by the pressure difference between the pressure and suction side. The tip
José Galindo +4 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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Nihon Kikai Gakkai ronbunshu, 2023 Using a high-speed multistage scale model compressor simulating a middle stage of a gas turbine compressor for power generation, the effects of 3 types of rotor tip clearances on performance and operating range, and the vortex structure of rotor tip ...
Ryosuke SEKI
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