نتایج جستجو برای: concentric cylinders
تعداد نتایج: 16244 فیلتر نتایج به سال:
This paper deals with a mathematical modeling of flow stability Newtonian and non-Newtonian fluids in the gap between two concentric cylinders, one which rotates. A typical feature is formation vortex flow, so-called Taylor vortices. Vortex structures are affected by speed rotating cylinder physical properties fluids, i.e., viscosity density. Analogy terms assumed for magnetorheological fluids....
Aims and background: This study aimed to investigate the comparison of isokinetic parameters of hip and knee joint muscles in professional soccer players with athletic groin pain (AGP) and healthy ones. Material and Methods: 32 soccer players (control group (n=16) and AGP group (n=16)) who take part in the first and second division league participated in this study. The isokinetic dynamometer ...
Background: The aim of the present study was to investigate the expression of TrKB, FNDC5 and SG6K1 protein in response to eccentric and concentric resistance training in healthy subjects. Methods: 10 healthy men were randomly assigned to two groups of concentric and eccentric contractions of 5 individuals each. Isokinetic contraction protocols included eccentric and concentric knee extension ...
Turbulent Taylor–Couette flow between two concentric independently rotating cylinders with a radius ratio of $\eta = 0.1$ is studied experimentally. While the scope to study counter-rotating cases both cylinders, radial and azimuthal velocity components are recorded at different horizontal planes high-speed particle image velocimetry. The parametric considered set shear Reynolds numbers in rang...
We analyze the stability of a cylindrical Couette flow under the imposition of a weak axial flow in case of a very short cylinder with a narrow annulus gap. We consider an incompressible viscous fluid which is contained in the narrow gap between two concentric short cylinders, where the inner cylinder rotates with constant angular velocity. The caps of the cylinders have narrow tubes conically ...
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