Numerical study on heat transfer and resistance characteristics of supercritical water inside internally-ribbed tube |
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| Authors: | Zhenxing Zhao Xiangyu Wang Defu Che |
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| Institution: | 1. State Key Laboratory of Multiphase Flow in Power Engineering, School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an, 710049, China
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| Abstract: | The effects of structural parameters for internally-ribbed tube on heat transfer and flow characteristics of supercritical water were studied numerically. The results show that the heat transfer and pressure loss increases with the increase of mass flow or heat flux. The Heat transfer and resistance coefficients of supercritical water increase with the spiral rising angle decrease or rib height increase, while rib width has a weak influence on heat transfer and pressure drop. |
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