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Heat Transfer Research
Regional Editor (China/Asia): Ya-Ling He (open in a new tab)
Regional Editor (Europe): Bengt Sunden (open in a new tab)
Regional Editor (USA): Xinwei Wang (open in a new tab)

Publicado 18 números por año

ISSN Imprimir: 1064-2285

ISSN En Línea: 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 Simulation of Vortex Heat Transfer Enhancement in Transformer Oil Flow in a Channel with One-Row Spherical Dimples

Volumen 42, Edición 7, 2011, pp. 613-628
DOI: 10.1615/HeatTransRes.v42.i7.20
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Sergey A. Isaev
Saint Petersburg State University of Civil Aviation, 38 Pilotov Str., St. Petersburg, 196210, Russia; Tupolev Kazan National Research Technical University – Kazan Aviation Institute, 10 K. Marx Str., Kazan, Tatarstan, 420015, Russia
Alexander Leontiev
Joint Institute for High Temperatures
Yu. V. Zhukova
Turbulence Laboratory, A. V. Luikov Heat and Mass Transfer Institute, National Academy of Sciences of Belarus, P. Brovka Str. 15, 220072 Minsk, Belarus
P. A. Baranov
Saint-Petersburg State University of Civil Aviation, Saint-Petersburg, 196210, Russia
Mikhail Gotovskii
I. I. Polzunov Scientific and Development Association on Research and Design of Power Equipment (NPO TsKTI), 3/6 Atamanskaya Str., St. Petersburg, 191167, Russia
Aleksandr Evguenyevich Usachov
Central Aerohydrodynamic Institute (TsAGI) 1, Zhukovsky str., Zhukovsky, 140180, Moscow region, Russia

SINOPSIS

Convective heat transfer in laminar flow of transformer oil in a narrow channel (2 × 0.5 cross section) with vortex generators shaped as spherical dimples with a depth of 0.2 (in fractions of dimple spot diameter) placed at a heated wall surface is calculated using computational multiblock technologies for solution of the Navier−Stokes and energy equations within the framework of the generalized pressure correction procedure. Based on the comparison of channels with 15 and 121 dimples and a periodic module subject to periodic boundary conditions, vortex heat transfer enhancement is analyzed in comparison with a smooth channel without dimples and approximately fivefold heat transfer enhancement is validated.

PALABRAS CLAVE: heat transfer, vortex enhancement, one-row spherical dimples, narrow channel, transformer oil, calculation, pressure correction procedure, computational multiblock technologies
CITADO POR

  1. Isaev S. A., Baranov P. A., Zhukova Yu. A. V., Usachov A. E., Analysis of the Influence of the Temperature Factor on the Intensification of the Heat Exchange in a Lane Bank of Round Tubes in the Case of Laminar Oil Flow about It, Journal of Engineering Physics and Thermophysics, 86, 6, 2013. Crossref

  2. Isaev S. A., Leontiev A. I., Gotovskii M. A., Usachov A. E., Zhukova Yu. V., Analysis of thermohydraulic efficiency increase during transformer oil flow in a minichannel with a single-row package of spherical and oval dimples at a heated wall, High Temperature, 51, 6, 2013. Crossref

  3. Burtsev S. A., Leontiev A. I., Study of the influence of dissipative effects on the temperature stratification in gas flows (Review), High Temperature, 52, 2, 2014. Crossref

  4. Isaev S. A., Baranov P. A., Zhukova Yu. V., Sudakov A. G., Enhancement of heat transfer in unsteady laminar oil flow past a heated cylinder at Re = 150, Thermophysics and Aeromechanics, 21, 5, 2014. Crossref

  5. Isaev S. A., Zhukova Yu. V., Malyshkin D. A., Numerical Simulation of the Convective Heat Exchange in the Separation air and Oil Flows in a Staggered Bank of Round Tubes in a Wide Range of Change in the Reynolds Number, Journal of Engineering Physics and Thermophysics, 88, 4, 2015. Crossref

  6. Isaev S. A., Leontiev A. I., Kornev N. V., Hassel E., Chudnovskii Ya. P., Heat transfer intensification for laminar and turbulent flows in a narrow channel with one-row oval dimples, High Temperature, 53, 3, 2015. Crossref

  7. Isaev S. A., Zhukova Yu. V., Baranov P. A., Sudakov A. G., Numerical investigation of the effect of roughness on convective heat transfer under stationary laminar flow of M20 oil around a circular cylinder, High Temperature, 53, 5, 2015. Crossref

  8. Tsynaeva A.A., Nikitin M.N., Study of the Flow in a Channel with Dumbbell-Shaped Dimples, Procedia Engineering, 150, 2016. Crossref

  9. Isaev S. A., Leont’ev A. I., Mil’man O. O., Sudakov A. G., Usachov A. E., Gul’tsova M. E., Intensification of Heat Exchange in Laminar Vortex Air Flow in a Narrow Channel with a Row of Inclined Oval Trenches, Journal of Engineering Physics and Thermophysics, 91, 4, 2018. Crossref

  10. Rashidi Saman, Hormozi Faramarz, Sundén Bengt, Mahian Omid, Energy saving in thermal energy systems using dimpled surface technology – A review on mechanisms and applications, Applied Energy, 250, 2019. Crossref

  11. Isaev S.A., Leontiev A.I., Milman O.O., Popov I.A., Sudakov A.G., Influence of the depth of single-row oval-trench dimples inclined to laminar air flow on heat transfer enhancement in a narrow micro-channel, International Journal of Heat and Mass Transfer, 134, 2019. Crossref

  12. Isaev S. A., Chornyi A. D., Zhukova Yu. V., Vysotskaya A. A., Kharchenko V. B., Vortex Intensification of Heat Transfer in Channels and Pipes with Periodic Elements of Discrete Roughness, Journal of Engineering Physics and Thermophysics, 92, 6, 2019. Crossref

  13. Isaev S. A., Sudakov A. G., Chornyi A. D., Zhukova Yu. V., Usachov A. E., Heat Transfer Enhancement in a Microtube with an In-Line Package of Spherical and Inclined Oval-Trench Dimples during Transformer-Oil Pumping, High Temperature, 57, 6, 2019. Crossref

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