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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Experiments in fluids 13 (1992), S. 155-162 
    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 Subject of this paper is the effect of air temperature on the characteristics of a hot wire. Hot wires of four different lengths have been calibrated over a range of air temperatures from 20 °C to 60 °C. Finite wire length corrections that account for the effects of heat conduction at the ends have been applied to obtain the heat transfer characteristics of an infinitely long heated wire. The reduced data show that the dependence of the heat transfer from an infinitely long heated wire on fluid temperature is such that the Nusselt number vs. Reynolds number relationship, when these are evaluated with property values at the “film temperature”, do not collapse to a single curve. The reduced data show that a linear variation of the heat transfer with a temperature difference corresponds more closely to the experimental observations.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Chichester : Wiley-Blackwell
    International Journal for Numerical Methods in Fluids 26 (1998), S. 519-531 
    ISSN: 0271-2091
    Keywords: wavy channel flow ; peristaltic motion ; spectral collocation method ; Engineering ; Numerical Methods and Modeling
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: A numerical procedure is developed for the analysis of flow in a channel whose walls describe a travelling wave motion. Following a perturbation method, the primitive variables are expanded in a series with the wall amplitude as the perturbation parameter. The boundary conditions are applied at the mean surface of the channel and the first-order perturbation quantities are calculated using the pseudospectral collocation method. Although limited by the linear analysis, the present approach is not restricted by the Reynolds number of the flow and the wave number and frequency of the wavy-walled channel. Using the computed wall shear stresses, the positions of flow separation and reattachment are determined. The variations in velocity and pressure with frequency of excitation are also presented. © 1998 John Wiley & Sons, Ltd.
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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