Results 51 to 60 of about 13,402 (209)
Drag reduction within radial turbine rotor passages using riblets [PDF]
, 2018 In this paper, reducing the friction losses in a radial inflow turbine rotor surface by adding engineered features (riblets) is explored. Initially, computational fluid dynamics analysis was used to study the operating mechanism of riblets and to test ...
Khader, M. A., Sayma, A. I.
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Numerical Research on the Impact of Axial Position of Endwall Suction Slot on Tip Leakage Flow
Journal of Applied Fluid Mechanics, 2020 In order to reduce the adverse effect of the tip leakage flow of cantilever stator on compressor performance, the impact of the axial position of endwall streamwise suction slot on tip leakage flow was numerically studied.
B. Zhang, B. Liu, A. Rehman, X. Sun
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Dynamic Analysis of Cavitation Tip Vortex of Pump-Jet Propeller Based on DES
Applied Sciences, 2020 When a pump-jet propeller rotates at high speeds, a tip vortex is usually generated in the tip clearance region. This vortex interacts with the main channel fluid flow leading to the main energy loss of the rotor system.
Jianping Yuan +6 more
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Reynolds Stresses and Dissipation Mechanisms in a Turbine Tip Leakage Vortex [PDF]
Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General, 1994 Reynolds stresses and mean flow velocities were measured throughout a tip leakage vortex in a large scale linear turbine cascade using hot-wire anemometry. An X-wire endflow probe was rotated about the probe axis using a computer controlled stepper motor. An improved solution procedure reduced the approximations involved in the Reynolds stress analysis.
John Moore +3 more
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Contrail microphysics in the near wake of a realistic wing through RANS simulations [PDF]
, 2012 This paper focuses on Steady Reynolds Average Navier Stokes simulations (RANS) of ice particles growth in the near field of a wing-injector configuration.
Guignery, Florent +3 more
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Energies, 2022 Cavity width and height are two key geometric parameters of squealer tips, which could affect the control effect of squealer tips on tip leakage flow (TLF) of gas turbines.
Yufan Wang +4 more
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International Journal of Rotating Machinery, 2010 This article presents the detailed study of rotor tip leakage related phenomena in a low speed axial compressor rotor passages for three sweep configurations [Unswept (UNS), Tip Chordline Swept (TCS) and Axially Swept (AXS)].
P. V. Ramakrishna, M. Govardhan
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Transient Vortex Dynamics in Tip Clearance Flow of a Novel Dishwasher Pump
MachinesBlade tip leakage vortex (TLV) is a critical phenomenon in hydraulic machinery, which can significantly affect the internal flow characteristics and deteriorate the hydraulic performance.
Chao Ning +4 more
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Computational Investigation of Novel Tip Leakage Mitigation Methods for High Pressure Turbine Blades [PDF]
, 2014 This paper presents preliminary findings on a possible approach to reducing tip leakage losses. In this paper a computational study was conducted on the EEE (Energy Efficient Engine) HPT (High Pressure Turbine) rotor tip geometry using the commercial ...
Canelli C. +11 more
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Journal of Applied Fluid Mechanics, 2021 In this paper, the influence of a shallow reversed slot-type casing treatment on the performance of a tip-critical transonic compressor has been numerically investigated. Firstly, the complex flow fields in the rotor tip region are studied in details. It
Z. D. Chi, W. L. Chu, H. G. Zhang
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