Particle image velocimetry measurements of the velocity profile in HeII forced flow

被引：28
|
作者：
Xu, T. [1 ]
Van Sciver, S. W. [1 ]
机构：
[1] Florida State Univ, Natl High Magnet Field Lab, Dept Mech Engn, Tallahassee, FL 32310 USA
来源：
PHYSICS OF FLUIDS | 2007年 / 19卷 / 07期
关键词：
Boundary layer flow - Deuterium - Helium - Temperature distribution - Turbulent flow - Velocity measurement;
D O I：
10.1063/1.2756577
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
Measurements of the velocity profile of He II forced flow within a square cross-section channel are reported. The particle image velocimetry (PIV) technique is used for these measurements with micron scale solid deuterium particles as tracers of the He II velocity field. Steady state velocity profiles at different bath temperatures clearly show the existence of a turbulent boundary layer in He II forced flow. These observed velocity profiles are in reasonable agreement with correlations based on measurements in classical fluids. (c) 2007 American Institute of Physics.
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页数：3
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