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International Journal of Fluid Mechanics Research

Publication de 6  numéros par an

ISSN Imprimer: 2152-5102

ISSN En ligne: 2152-5110

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: 1.1 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: 1.3 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: 0.0002 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: 0.33 SJR: 0.256 SNIP: 0.49 CiteScore™:: 2.4 H-Index: 23

Indexed in

Steady and Dynamic Thermo-Fluid Performance of Molten Salt in Paddle Heat Exchangers

Volume 43, Numéro 5-6, 2016, pp. 472-488
DOI: 10.1615/InterJFluidMechRes.v43.i5-6.80
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RÉSUMÉ

Paddle heat exchangers have been widely used in material heating processes. As working fluids, molten salts (e. g., Hitec salt) become favorable candidates in the temperature range 300 to 600°C. In this paper, based on CFD simulation we firstly investigated the steady heat transfer performance of molten salt in open hollow paddle-shaft element structure. The effects of paddle height and the hole axis angle on the heat transfer performance are documented. Flow guide plates are proposed to organize flow. The results show that for large paddle height, the heat transfer is improved by adjusting the hole axis angle and introducing flow guide plates and at the same time the pressure drop decreases. For one paddleshaft element, the flow and heat transfer performance in its two paddles is not symmetrical. The position of paddle-shaft element along the shaft does not have significant effect on molten salt flow. The steady analysis demonstrates the design optimization direction or constructal evolving direction. We further presented the hot air pre-heating time in cold-start process which is much less than the usual melting time of salt in boilers. The present work provides more insight in molten salt flow and heat transfer in open hollow paddle heat exchangers for design and control engineers.

CITÉ PAR
  1. Rajeh Taha, Tu Ping, Lin Hua, Zhang Houlei, Thermo-Fluid Characteristics of High Temperature Molten Salt Flowing in Single-Leaf Type Hollow Paddles, Entropy, 20, 8, 2018. Crossref

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