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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

Convective Heat Transfer Control Using Magnetic and Electric Fields

Volumen 13, Edición 2, 2006, pp. 139-155
DOI: 10.1615/JEnhHeatTransf.v13.i2.40
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SINOPSIS

A practical approach to non-intrusive control of electrically conducting melt flow-fields and heat transfer could be achieved by using externally applied magnetic and electric fields. This approach can also be used to enhance the convective heat transfer. Computational methods are needed to give us better understanding of this phenomena and its potential in practical industrial processes. In addition, numerical simulation can be used together with optimization to determine distributions of magnets and/or electrodes on the walls of a container with an electrically conducting fluid so that the resulting Lorentz forces could affect the flow throughout the domain or in desired regions only, so that desired thermal gradients could be maintained and desired solid/melt interface topology could be created and preserved during unsteady solidification.
Implicit numerical algorithms were developed and used in this research to integrate equations of classical magneto-hydro-dynamics and classical electro-hydro-dynamics. The algorithms utilized finite volume method and a hybrid optimizer with automatic switching among different optimization modules. Both algorithms were used to develop accurate computer codes for prediction and optimization of solidification from a melt under the influence of externally applied magnetic and electric fields. The objective was to find such distributions of intensities of wall-mounted magnets and electrodes that will create desired features of the flow-field or melt/solid interface topology. The computational results indicate significantly different flow-field patterns and thermal fields in the melt and the accrued solid in the cases of externally applied optimized magnetic and electric fields. This clearly suggests the possibility of developing smart manufacturing protocols for creating objects that will have functionally graded physical properties.

CITADO POR
  1. Ghasemi B., Aminossadati S.M., Raisi A., Magnetic field effect on natural convection in a nanofluid-filled square enclosure, International Journal of Thermal Sciences, 50, 9, 2011. Crossref

  2. Teamah Mohamed A., El-Maghlany Wael M., Augmentation of natural convective heat transfer in square cavity by utilizing nanofluids in the presence of magnetic field and uniform heat generation/absorption, International Journal of Thermal Sciences, 58, 2012. Crossref

  3. Aminossadati S.M., Ghasemi B., Kargar A., Computational analysis of magnetohydrodynamic natural convection in a square cavity with a thin fin, European Journal of Mechanics - B/Fluids, 46, 2014. Crossref

  4. Canelas Alfredo, Pereira Antonio, Roche Jean R., Brancher Jean P., Solution of the equilibrium problem in electromagnetic casting considering a solid inclusion in the melt, Mathematics and Computers in Simulation, 160, 2019. Crossref

  5. Saha Sujoy Kumar, Ranjan Hrishiraj, Emani Madhu Sruthi, Bharti Anand Kumar, Electrode Design and Its Placement, Enhancement of Single-Phase Gas and Liquid Flow, Theoretical Studies, in Electric Fields, Additives and Simultaneous Heat and Mass Transfer in Heat Transfer Enhancement, 2020. Crossref

  6. Alsoy-Akgün Nagehan, Effect of an uniform magnetic field on unsteady natural convection of nanofluid, Journal of Taibah University for Science, 13, 1, 2019. Crossref

  7. Zahan R Ishrat, MA Alim Nasrin, MHD effect on conjugate heat transfer in a nanofluid filled rectangular enclosure, International Journal Of Petrochemical Science & Engineering, 3, 3, 2018. Crossref

  8. Canelas Alfredo, Roche Jean R., Solution to a three-dimensional axisymmetric inverse electromagnetic casting problem, Inverse Problems in Science and Engineering, 27, 10, 2019. Crossref

  9. Al-Farhany Khaled, Al-dawody Mohamed F., Hamzah Dhafer A., Al-Kouz Wael, Said Zafar, Numerical investigation of natural convection on Al2O3–water porous enclosure partially heated with two fins attached to its hot wall: under the MHD effects, Applied Nanoscience, 2021. Crossref

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