Browsing by Author "Stegen, R M"

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    Shock wave interaction in a tee junction
    (1969) Johnson, Richard Rushby; Stegen, R M
    The problem was to determine the unsteady shock wave interaction at a tee junction, and to measure the transmitted shock strength. Two tee junctions of different cross-sectional shape were constructed, and instrumented with three piezoelectric pressure transducers and two hot wire anemometers. Tests were run in air for a Mach number range of 1.5 to 3.0, the different pressure ratios being obtained by varying the degree of vacuum in the driven section of the shock tube. A shock diffraction pattern for the tee is proposed and the transmitted shock strength is compared with the existing theories on shock diffraction around large corners.
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    Some problems involving free convective flow over vertical plates
    (1967) Oosthuizen, Patrick Henry; Stegen, R M
    A collection of thirteen papers dealing with various problems involving free convective flow over a vertical plate is presented. The main topics covered are the effects of surface slip on laminar free convective heat transfer, the laminar free convective flow of non-Newtonian power law fluids, the experimental determination of the effect of plate width on laminar free convective heat transfer, combined forced and free laminar convective flow and turbulent free convective flow. Each paper is preceded by an individual summary.