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Computational Thermal Sciences: An International Journal

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ISSN Druckformat: 1940-2503

ISSN Online: 1940-2554

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: 1.5 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 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: 0.3 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: 0.00017 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: 0.28 SJR: 0.279 SNIP: 0.544 CiteScore™:: 2.5 H-Index: 22

Indexed in

TRANSCRITICAL CARBON DIOXIDE FLOW IN A TUBULAR HEAT EXCHANGER: APPLICATIONS IN WASTE HEAT RECOVERY

Volumen 8, Ausgabe 4, 2016, pp. 321-336
DOI: 10.1615/ComputThermalScien.2016014112
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ABSTRAKT

Nonlinear thermophysical property variations in near-critical fluids give rise to large heat transfer coefficients, thus making them an ideal fluid for harnessing waste heat. Heat recovery from a power plant steam condenser by utilizing a transcritical flow of carbon dioxide in a bottoming cycle is considered. Thermal transport characteristic of transcritical carbon dioxide flowing in a tubular heat exchanger is numerically investigated. Transcritical carbon dioxide flowing in a circular cross-section tube with the outer wall heated by condensing steam (an isothermal wall) is considered for both horizontal and vertical configurations. The thermal transport characteristics for both configurations are examined. Due to the rapid and large variations of thermophysical properties with small temperature changes, transcritical fluid flows are usually characterized by the development of mixed convection and buoyancy plays a significant role in the flow dynamics. The effect of buoyancy on the thermal transport characteristics is also investigated. The predicted results from the present study can be used in designing waste-heat-driven organic Rankin cycles for power generation.

REFERENZIERT VON
  1. Li Xiaoya, Tian Hua, Shu Gequn, Zhao Mingru, Markides Christos N., Hu Chen, Potential of carbon dioxide transcritical power cycle waste-heat recovery systems for heavy-duty truck engines, Applied Energy, 250, 2019. Crossref

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