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Heat Transfer and Entropy Generation Analysis of an Intermediate Heat Exchanger in ADS

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Abstract

The intermediate heat exchanger for enhancement heat transfer is the important equipment in the usage of nuclear energy. In the present work, heat transfer and entropy generation of an intermediate heat exchanger (IHX) in the accelerator driven subcritical system (ADS) are investigated experimentally. The variation of entropy generation number with performance parameters of the IHX is analyzed, and effects of inlet conditions of the IHX on entropy generation number and heat transfer are discussed. Compared with the results at two working conditions of the constant mass flow rates of liquid lead-bismuth eutectic (LBE) and helium gas, the total pumping power all tends to reduce with the decreasing entropy generation number, but the variations of the effectiveness, number of transfer units and thermal capacity rate ratio are inconsistent, and need to analyze respectively. With the increasing inlet mass flow rate or LBE inlet temperature, the entropy generation number increases and the heat transfer is enhanced, while the opposite trend occurs with the increasing helium gas inlet temperature. The further study is necessary for obtaining the optimized operation parameters of the IHX to minimize entropy generation and enhance heat transfer.

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Acknowledgement

This work is supported by the National Natural Science Foundation of China (No. 51376177) and the “Strategic Priority Research Program” of Chinese Academy of Sciences (No. XDA03010500 ).

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Authors and Affiliations

  1. Institute of Engineering Thermophysics, Chinese Academy of Sciences, Beijing, 100190, China

    Yongwei Wang & Xiulan Huai

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  1. Yongwei Wang
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  2. Xiulan Huai
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Correspondence to Xiulan Huai.

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This work is supported by the National Natural Science Foundation of China (No. 51376177) and the “Strategic Priority Research Program” of Chinese Academy of Sciences (No. XDA03010500)

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Wang, Y., Huai, X. Heat Transfer and Entropy Generation Analysis of an Intermediate Heat Exchanger in ADS. J. Therm. Sci. 27, 175–183 (2018). https://doi.org/10.1007/s11630-018-0998-z

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  • DOI: https://doi.org/10.1007/s11630-018-0998-z

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