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Heat Transfer Research

Published 18 issues per year

ISSN Print: 1064-2285

ISSN Online: 2162-6561

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: 1.7 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: 1.4 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: 0.6 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: 0.00072 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: 0.43 SJR: 0.318 SNIP: 0.568 CiteScore™:: 3.5 H-Index: 28

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Numerical Resolution of Conjugate Heat Transfer Problem in a Parallel-Plate Micro-Channel

Volume 41, Issue 3, 2010, pp. 247-263
DOI: 10.1615/HeatTransRes.v41.i3.40
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ABSTRACT

The present paper deals with the characterization of the conjugated two-dimensional steady-state heat transfer problem in two parallel-plate micro-channel heat sinks. The fluid is assumed to be incompressible and with constant properties. Simultaneous hydrodynamic and thermal developing region is taken into consideration here. Axial conduction is also taken into account. An analysis is performed for constant wall temperature at the outer surfaces of the plates. The heat wave generated at these surfaces is crossing through the plates to reach the interface with the fluid in the micro-channel. Due to the fact that channel height (H) is of the same order of dimension of the plate thickness (E) in the micro-channel, the conduction in the plate cannot be assumed negligible. Therefore, the convective heat transfer in a micro-channel is conjugated with the conduction in the solid plates. The two-dimensional Navier-Stokes equations and the energy equation are solved by the finite-control-volume method. Detailed temperature profiles in the fluid and the solid, the fluid bulk temperature and the heat flux distributions on the fluid-solid interface are provided. The effects of the plate thickness and the solid to fluid thermal conductivities ratio (K = ks/kf) are studied for a water flow with a Reynolds number Re = 100. The results of different simulations are analyzed, and the axial distributions of the Nusselt number are deduced for each case. The results show that viscous heating of the fluid can significantly influence the heat transfer in the micro-channel heat sink. The thickness plate (E) may have an influence on both thermal developing length and the asymptotic Nusselt number value which corresponds to the fully developed flow. The bulk fluid temperature is shown to vary in a nonlinear form along the flow direction.

CITED BY
  1. Kabar Yassine, Bessaïh Rachid, Rebay Mourad, Conjugate heat transfer with rarefaction in parallel plates microchannel, Superlattices and Microstructures, 60, 2013. Crossref

  2. Khandekar Sameer, Moharana Manoj Kumar, Axial Back Conduction through Channel Walls During Internal Convective Microchannel Flows, in Nanoscale and Microscale Phenomena, 2015. Crossref

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