Results 241 to 250 of about 24,273 (294)
Large Transverse Piezoelectricity in Highly (001)-Oriented PZT Thick Films on Titanium Substrates. [PDF]
Materials (Basel)Guo Z +4 more
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Guiding esophagectomy with intraoperative NIR-II fluorescence video imaging and rapid computation. [PDF]
Proc Natl Acad Sci U S AWang F +11 more
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Structure of Tip Leakage Flow in a Forward-Swept Axial-Flow Fan
Flow, Turbulence and Combustion, 2003 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Lee, GH, Baek, JH, Myung, HJ
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The Influence of Boundary Conditions on Tip Leakage Flow
Journal of Turbomachinery, 2013 Much of the current understanding of tip leakage flow has been derived from detailed cascade studies. Such experiments are inherently approximate since it is difficult to simulate the boundary conditions that are present in a real machine, particularly the secondary flows convecting from the upstream stator row and the relative motion of the casing and
John D. Coull, Nicholas R. Atkins
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Controlling Tip Leakage Flow with Permeable Tip Treatment [PDF]
The present study focuses on the efficacy of controlling tip leakage flow through permeable tip treatment. A zonal large eddy simulation approach is employed to accurately capture the tip flow features around a linear cascade.
Yabin Liu, Chandan Bose, Zhong-Nan Wang
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Aerodynamic and aeroacoustics characterisation of tip leakage flow [PDF]
Among the various noise sources related to ducted fans, the noise generated by the interaction of tip leakage flow with the blade’s geometric singularities is one of the least understood. This thesis deals with identifying the mechanisms involved in the generation and reduction of tip leakage noise for a single stationary aerofoil, which enables a ...
Saraceno, Ivan
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Effect of tip flange on tip leakage flow of small axial flow fans
Journal of Thermal Science, 2014Aerodynamic performance of an axial flow fan is closely related to its tip clearance leakage flow. In this paper, the hot-wire anemometer is used to measure the three dimensional mean velocity near the blade tips. Moreover, the filtered N-S equations with finite volume method and RNG k-ɛ turbulence model are adopted to carry out the steady simulation ...
Li Zhang, Yingzi Jin, Yuzhen Jin
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Effect of arbitrary blade tip design on tip leakage flow
Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, 2019Tip geometry modification is frequently used to suppress the tip leakage flow in the turbine cascade however a universally beneficial tip geometry modification design has not been fully discovered. In this paper, the two-surface coupling arbitrary blade tip design method in three-dimensional physical space which satisfies the simple trigonometric ...
Jiahui Jin +3 more
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Tip Leakage Flow: Advanced Measurements and Analysis
22nd AIAA/CEAS Aeroacoustics Conference, 2016Advanced measurements of a tip clearance flow are carried out in the large subsonic anechoic wind tunnel of the LMFA in Lyon. The experimental set-up is obtained by placing the airfoil between two plates into the potential core of a turbulent rectangular jet, the upper plate being the hub and the lower the casing.
Jacob, Marc +3 more
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