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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Experiments in fluids 15 (1993), S. 240-246 
    ISSN: 1432-1114
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Statistical properties of velocity gradient components in turbulent channel flows were measured using a new light scattering technique. It is demonstrated that root mean square fluctuations, skewnesses, and flatnesses as well as autocorrelation functions and distribution functions of definite velocity gradient components can be obtained.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Experiments in fluids 15 (1993), S. 200-208 
    ISSN: 1432-1114
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The motion of the speckle pattern in the far field limit is uniquely determined by the velocity gradient of the light scattering medium. This is the basic physical effect of a non-invasive method that allows the measurement of velocity gradients with high spatial and temporal resolution down to 75 μm and 1 ms, respectively. We present three different measurement schemes for the analysis of the scattered light. The experimental results refer to mean gradients obtained from measurements on turbulent channel flows.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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