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  • Open Access

    ARTICLE

    EFFECT OF SEMI-CIRCLE RIB ON HEAT TRANSFER COEFFICIENT IN A RECTANGULAR CHANNEL

    Riyadh S. Al-Turaihi a , Doaa Fadhila,b,*, Azher M. Abedb

    Frontiers in Heat and Mass Transfer, Vol.13, pp. 1-7, 2019, DOI:10.5098/hmt.13.29

    Abstract In this paper an experimental and numerical analysis has been conducted to study the effect of heat transfer and filed flow of two-phase flow (water and air) through a rectangular ribbed channel. The study has involved the several values of heat flux (120,140,160 Watts), air and water superficial velocity (1.096, 1.425, 1.644, 1.864, and 2.193 m/s) and (0.0421, 0.0842, and 0.1474 m/s), respectively. The distribution of temperature along the channel was photographed using thermal camera and compared with numerical results . The experimental test system was fabricated of vertical rectangular channel with cross section of… More >

  • Open Access

    ARTICLE

    Effects of Internal Heat Generation and Variable Fluid Properties on Mixed Convection Past a Vertical Heated Plate

    P. A. Dinesh1, N. Nalinakshi2, D. V. Ch,rashekhar3

    FDMP-Fluid Dynamics & Materials Processing, Vol.10, No.4, pp. 465-490, 2014, DOI:10.3970/fdmp.2014.010.465

    Abstract Heat and Mass transfer from a vertical heated plate embedded in a sparsely packed porous medium with internal heat generation and variable fluid properties like permeability, porosity and thermal conductivity has been investigated numerically. In particular, the governing highly non-linear coupled partial differential equations are transformed into a system of ordinary differential equations with the help of similarity transformations and solved numerically by using a shooting algorithm based on a Runge-Kutta-Fehlberg scheme and a Newton Raphson method (to obtain velocity, temperature and concentration distributions). The heat and mass transfer characteristics are analyzed and related physical More >

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