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ISSN 打印: 1065-5131

ISSN 在线: 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

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Effect of the Number of Periodic Module on Flow and Heat Transfer in a Periodic Array of Cubic Pin-Fins Inside a Channel

卷 15, 册 3, 2008, pp. 243-260
DOI: 10.1615/JEnhHeatTransf.v15.i3.50
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摘要

An unsteady three-dimensional numerical study is carried out to investigate the flow and heat transfer in a periodic array of cubic pin-fins placed inside a channel. The pin-fins arranged in an in-line pattern having both streamwise and transverse periodicity equal to 2.5 times the pin-fin dimension are inserted into the channel. Computations are carried out in the turbulent flow regime for a Reynolds number of 7125. The unsteady spatially filtered-averaged Navier-Stokes and energy equations are solved using higher-order temporal and spatial discretization schemes. A large eddy simulation (LES) turbulence model is employed to model the unresolved turbulence fluctuations. The effect of the number of inter-rib periodic modules on both instantaneous and time-averaged flow and heat transfer is studied in the present study. Total of four different cases with a varying number of inter-rib periodic modules are considered. The time-averaged Nusselt number in all cases matches quite closely with experiments. The instantaneous flow and temperature fields do not show any flow periodicity over the chosen inter-rib modules. However, the time-averaged flow and temperature field reveal the flow and geometric periodicity to be equal.

对本文的引用
  1. Ramgadia Abhishek G., Saha Arun K., Large Eddy Simulation of Turbulent Flow and Heat Transfer in a Ribbed Coolant Passage, Journal of Applied Mathematics, 2012, 2012. Crossref

  2. Ramgadia Abhishek G., Saha Arun K., Numerical study of fully developed flow and heat transfer in a wavy passage, International Journal of Thermal Sciences, 67, 2013. Crossref

  3. Saha Sujoy Kumar, Ranjan Hrishiraj, Emani Madhu Sruthi, Bharti Anand Kumar, Oval and Flat Tube Geometries, Row Effects in Tube Banks, Local Heat Transfer Coefficient on Plain Fins, Performance Comparison, Numerical Simulation and Patents, Coatings, in Heat Transfer Enhancement in Externally Finned Tubes and Internally Finned Tubes and Annuli, 2020. Crossref

  4. Saha Sujoy Kumar, Ranjan Hrishiraj, Emani Madhu Sruthi, Bharti Anand Kumar, Wavy Fin, 3D Corrugated Fin, Perforated Fin, Pin Fin, Wire Mesh, Metal Foam Fin, Packings, Numerical Simulation, in Heat Transfer Enhancement in Plate and Fin Extended Surfaces, 2020. Crossref

  5. Harikrishnan S., Tiwari Shaligram, Simulation of Fully Developed Flow and Heat Transfer in Wavy Channels Using OpenFOAM, in Advances in Mechanical Engineering, 2020. Crossref

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