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Journal of Enhanced Heat Transfer

Publicado 8 números por año

ISSN Imprimir: 1065-5131

ISSN En Línea: 1563-5074

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: 2.3 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: 1.8 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: 0.2 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: 0.00037 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: 0.6 SJR: 0.433 SNIP: 0.593 CiteScore™:: 4.3 H-Index: 35

Indexed in

EXPERIMENTAL INVESTIGATION OF THERMAL PERFORMANCE OF ETHYLENE GLYCOL-WATER−BASED FE3O4, SIC, AND HYBRID NANOFLUIDS

Volumen 27, Edición 7, 2020, pp. 595-616
DOI: 10.1615/JEnhHeatTransf.2020034449
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SINOPSIS

The thermophysical properties of working fluids play a significant role in determining the performance of heat exchangers. These properties can be customized by mixing nanoparticles of different types and different volume concentrations in the working fluid. The effect of three different nanofluids, viz., the suspensions of single-component Fe3O4 and SiC nanoparticles, and the hybrid mixture of Fe3O4 and SiC in a volume ratio of 50:50 (hybrid nanofluid) was experimentally studied using a double pipe heat exchanger. An ethylene glycol and water solution in a volume ratio of 20:80 was considered as the base fluid. The nanofluids were tested at a very low volume concentration of 0.02%−0.08%. The experiments were performed in a turbulent flow regime. The thermophysical properties of the hybrid nanofluid were found to be superior compared to those of its constituent single-component nanoparticle suspension. The hybrid nanofluid exhibited the highest enhancement in the heat transfer coefficient with less pressure drop penalty. A maximum heat transfer enhancement of 98.95% was obtained at a flow rate of 6 l/min for the 0.08% hybrid nanofluid. It was observed that the use of the hybrid nanoparticle mixture with different densities resulted in better thermophysical properties, with a favorable trend in the variation of each of the properties at the volume concentration of the suspension compared to that of its constituent single-component nanoparticle suspension, which led to higher heat transfer enhancement.

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