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Computational Thermal Sciences: An International Journal

Publicado 6 números por año

ISSN Imprimir: 1940-2503

ISSN En Línea: 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

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EXPERIMENTAL AND NUMERICAL THERMAL PERFORMANCE EVALUATION OF HELICAL SCREW INSERTS IN A TUBE WITH DOUBLE STRIPS AT LAMINAR FLOW

Volumen 13, Edición 1, 2021, pp. 17-35
DOI: 10.1615/ComputThermalScien.2020033915
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SINOPSIS

In this study, experimental analysis was conducted to evaluate the thermal hydraulic performance of the fluid flow in a double strip helical screw insert with a tube at different twist ratio values in the laminar flow regime. Computational fluid dynamics (CFD) analysis was also considered to investigate the thermal and fluid flow characteristics in the tube with the insert. The double strip helical screw inserts showed enhancement in the heat transfer at decreasing twist ratio values and increasing Reynolds numbers compared to single strip helical screw inserts. A maximum enhancement of 327% was found in the Nusselt number with the double strip helical screw insert at a twist ratio of 1.5 and Reynolds number of 300 compared to the plain tube. The maximum Nusselt number value was found with a double strip helical screw insert at a twist ratio of 1.5 and Reynolds number of 2000, whereas the maximum value of the Nusselt number ratio was found to be 4.27 at a twist ratio of 1.5 and Reynolds number of 300. A correlation between the Nusselt number and friction factor was developed by using the experimental results. The maximum value of the thermal performance factor was found to be 2.39 with the double strip compared to the single strip helical screw inserts at a twist ratio of 2.5 in the laminar flow regime. Therefore, this analysis shows the suitability of applying double strip helical screw inserts in the miniaturization of heat exchangers. This could be enabled to save our environment by reducing pollution through the efficient use of energy resources.

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CITADO POR
  1. Kumar Prashant, Sarviya R. M., Review on Synthesis of Nano-Composite Material and Preparation of Hybrid Nanofluid for Efficient Heat Transfer, SSRN Electronic Journal , 2021. Crossref

  2. Deepika Kumari, Sarviya R. M., Selection of Heat Exchanger Based on Performance and Applications for Efficient Heat Transfer, in Advances in Clean Energy Technologies, 2021. Crossref

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