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    ARTICLE

    COMPARISON OF CFD AND EMPIRICAL MODELS FOR PREDICTING WALL TEMPERATURE AT SUPERCRITICAL CONDITIONS OF WATER

    S. Ananda, S. Suresha, R. Dhanuskodib, D. Santhosh Kumarb,*

    Frontiers in Heat and Mass Transfer, Vol.14, pp. 1-9, 2020, DOI:10.5098/hmt.14.8

    Abstract The present work investigates the wall temperature prediction at supercritical pressure of water by CFD and compares the prediction of CFD and that of 11 empirical correlations available in literature. Supercritical-water heat transfer experimental data, covering a mass flux range of 400-1500 kg/m2s, heat flux range of 150-1000 kW/m2, at pressure 241 bar and diameter 10 mm tube, were obtained from literature. CFD simulations have been carried out for those operating conditions and compared with experimental data. Around 362 experimental wall temperature data of both heat transfer enhancement and heat transfer deterioration region have been taken More >

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