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14 Result(s)

within R. Viskanta Remove this filter Engineering Remove this filter Engineering Thermodynamics, Heat and Mass Transfer Remove this filter

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  1. No Access

    Article

    Transient heating of opaque and semitransparent materials by radiation during processing

    Analysis is presented of transient heating of opaque and semitransparent (translucent) materials by external radiation sources. Such problems arise in materials processing and manufacturing applications. Dyna...

    R. Viskanta, K. D. Jorgensen in Heat and Mass Transfer (2000)

  2. No Access

    Article

    Numerical simulation of convective heat transfer to a radial free surface jet im**ing on a hot solid

    The convective heat transfer between a circular free surface im**ing jet and a solid surface has been studied numerically. The thin liquid film formed on the surface has been assumed to be in non-turbulent ...

    H. Fujimoto, N. Hatta, R. Viskanta in Heat and Mass Transfer (1999)

  3. No Access

    Article

    Measurement of the turbulent flow field in a free-surface jet of water

    Measurements of the mean velocity and turbulence intensity are presented for a rectangular jet of water ejecting into a gaseous ambient. Data are reported for streamwise locations up to 30 nozzle widths from t...

    D. H. Wolf, F. P. Incropera, R. Viskanta in Experiments in Fluids (1995)

  4. No Access

    Article

    Momentum and heat transfer on a continuous flat surface moving in a parallel counterflow free stream

    Heat transfer from a surface in motion relative to either a stationary or moving fluid occurs in many material processing applications such as hot rolling, extrusion, and drawing. In this study, an analysis ha...

    M. V. A. Bianchi, R. Viskanta in Wärme - und Stoffübertragung (1993)

  5. No Access

    Article

    A laminar boundary layer model of heat transfer due to a nonuniform planar jet im**ing on a moving plate

    A theoretical model is developed of planar jet im**ement heat transfer on a moving plate. Boundary layer equations in their integral forms are used in order to include, both near and away from the stagnation...

    D. A. Zumbrunnen, F. P. Incropera, R. Viskanta in Wärme - und Stoffübertragung (1992)

  6. No Access

    Article

    Determination of specific heat and true thermal conductivity of glass from dynamic temperature data

    A method to determine the true specific heat and true thermal conductivity for glass and other semitransparent materials from dynamic temperature data is presented. A unique fabrication technique to obtain hig...

    D. Mann, R. E. Field, R. Viskanta in Wärme - und Stoffübertragung (1992)

  7. No Access

    Article

    Heat transfer during the melting of ice around a horizontal, isothermal cylinder

    An experimental investigation of the melting of ice around a horizontal, isothermal cylinder is performed. Emphasis is placed on interpreting the heat transfer mechanisms which control solid-liquid interface p...

    D. White, R. Viskanta, W. Leidenfrost in Experiments in Fluids (1986)

  8. No Access

    Article

    Interaction of external and double-diffusive convection in linearly salt-stratified systems

    A series of experiments has been performed for a linearly salt-stratified system heated from below. The experiments were intended to investigate the relative influence of external and double-diffusive convecti...

    T. L. Bergman, F. P. Incropera, R. Viskanta in Experiments in Fluids (1986)

  9. No Access

    Article

    Interaction of heat transfer by conduction and radiation in a nongray planar medium

    This paper considers the problem of the steady energy transfer due to combined effects of conduction and radiation in a medium with frequency dependent properties. The particular problem studied is the one-dim...

    A. L. Crosbie, R. Viskanta in Wärme - und Stoffübertragung (1971)

  10. No Access

    Article

    Experimental study of steady and transient natural convection heat transfer of mercury

    An experimental investigation of transient and steady-state natural convection in a narrow vertical rectangular channel following a step-change in uniform wall-heat-flux is presented. The construction and inst...

    R. P. Heinisch, R. M. Singer, R. Viskanta in Wärme - und Stoffübertragung (1968)

  11. No Access

    Article

    A photographic bidirectional reflectometer

    This note describes a new photographic technique for measuring the spectral bidirectional reflectance of surfaces. Both absolute and relative measurements can be made with the instrument either on qualitative ...

    E. R. F. Winter, R. Viskanta, A. Wen in Wärme - und Stoffübertragung (1968)

  12. No Access

    Article

    Effect of surroundings on the transient energy transfer in a layer of radiating gas

    An analysis is presented for the transient cooling or heating of a stagnant layer of hot radiating gas surrounded by a cold gas capable of absorbing and emitting radiation. Scattering of radiation is neglected...

    P. S. Bathla, R. Viskanta in Applied Scientific Research (1968)

  13. No Access

    Article

    Heat transfer with laminar flow in a concentric annulus with prescribed wall temperatures

    An analysis has been performed to determine the heat transfer charac-teristics for laminar forced-convection flow in a concentric annulus with prescribed surface temperatures. The temperatures of the inside an...

    R. Viskanta in Applied Scientific Research, Section A (1964)

  14. No Access

    Article

    Heat transfer in a radiating fluid with slug flow in a parallel-plate channel

    As a step towards a better understanding of combined conduction, convection, and radiation, fully developed heat transfer in slug flow in a flat duct between two parallel plates is considered. The flat duct co...

    R. Viskanta in Applied Scientific Research, Section A (1964)