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Heat Transfer Research

Publicou 18 edições por ano

ISSN Imprimir: 1064-2285

ISSN On-line: 2162-6561

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 1.7 To calculate the five year Impact Factor, citations are counted in 2017 to the previous five years and divided by the source items published in the previous five years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) 5-Year IF: 1.4 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 0.6 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00072 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.43 SJR: 0.318 SNIP: 0.568 CiteScore™:: 3.5 H-Index: 28

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THERMODYNAMIC AND HEAT TRANSFER ANALYSES OF THE S−CO2 BRAYTON CYCLE AS THE HEAT TRANSPORT SYSTEM OF A NUCLEAR REACTOR

Volume 47, Edição 10, 2016, pp. 907-925
DOI: 10.1615/HeatTransRes.2016011397
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RESUMO

A systematic thermodynamic analysis is presented for a recompression S−CO2 Brayton cycle incorporating a flow split between the main and recompressing compressors, a high-temperature recuperator (HTR), and a low-temperature recuperator (LTR). It is found that the efficiency of the Brayton cycle can reach 44.9% with a moderate reactor core outlet temperature of 650°C. The results represent a significant improvement over the Brayton cycle using helium as a working fluid in terms of the cycle efficiency and a substantially lowered reactor working temperature. However, the heat transfer amounts of the recuperators (including HTR and LTR) are found to be very high and the exchanged heat in the HTR is about twice as much as the reactor power output. Printed circuit heat exchangers (PCHEs), which have the characteristics of high effectiveness and compactness, are used as heat exchangers in the Brayton cycle. The use of this heat exchanger can effectively decrease the volumes and costs of both the HTR and LTR. Based on the comprehensive analysis, optimized working conditions of the S−CO2 Brayton cycle are also recommended in this paper.

CITADO POR
  1. Li Ming-Jia, Zhu Han-Hui, Guo Jia-Qi, Wang Kun, Tao Wen-Quan, The development technology and applications of supercritical CO2 power cycle in nuclear energy, solar energy and other energy industries, Applied Thermal Engineering, 126, 2017. Crossref

  2. Meng Nan, Li Tailu, Kong Xiangfei, Gao Xiang, Advanced exergy and exergoeconomic analyses and a case study of a novel trans-critical CO2 cycle with pressurization process for hot dry rock, Energy Conversion and Management, 246, 2021. Crossref

  3. Chen Deqi, Hu Lian, Jin Feng, Zeng Hao, Applications of Supercritical Carbon Dioxide Brayton Cycle for Nuclear Engineering, in Handbook of Research on Advancements in Supercritical Fluids Applications for Sustainable Energy Systems, 2021. Crossref

  4. Chang Hongliang, Han Zeran, Li Xionghui, Ma Ting, Wang Qiuwang, Experimental study on heat transfer performance of sCO2 near pseudo‐critical point in airfoil‐fin PCHE from viewpoint of average thermal‐resistance ratio, International Journal of Heat and Mass Transfer, 196, 2022. Crossref

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