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Heat Transfer Research
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ISSN Druckformat: 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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Experimental Studies of Heat-Transfer Characteristics of Miniaturized Heat Pipes

Volumen 38, Ausgabe 6, 2007, pp. 553-563
DOI: 10.1615/HeatTransRes.v38.i6.70
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V. Yu. Kravets
National Technical University of Ukraine, Igor Sikorsky Kyiv Polytechnic Institute, Ukraine
Yuri Nikolaenko
National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”
Ya. V. Nekrashevich
National Technical University of Ukraine "Kiev Polytechnical Institute", Kiev, Ukraine

ABSTRAKT

Results of studies of heat-transfer characteristics of miniaturized heat pipes with the diameter 2.4 and 6 mm and length from 50 to 250 mm are presented. Pipe shell material is copper. It is shown that decrease of the vapor space dimensions in heat pipes leads to deterioration of their heat-transfer properties (increase of thermal resistance, reduction of transferred heat fluxes, and increase of the temperature difference between the evaporator and the condenser). The thermal resistance value depends on the diameter of miniaturized heat pipes. Physical processes occurring in miniaturized heat pipes are analyzed; heat-transfer coefficients in evaporation and condensation zones are obtained. Dependences of transferred heat loads on the diameter of the vapor space and the total length of miniaturized heat pipes are given. Dependences of the temperature drop between evaporation and condensation zones on the transferred heat flux are presented. Possibilities for increase of heat-transfer characteristics of such heat pipes by application of optimal-structure capillary structures, possessing a high capillary pressure and a high liquid permeability, are analyzed.

REFERENZIERT VON

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  3. Melnyk R. S., Nikolaenko Yu. E., Alekseik Ye. S., Kravets V. Yu., Heat transfer limitations of heat pipes for a cooling systems of electronic components, 2017 IEEE First Ukraine Conference on Electrical and Computer Engineering (UKRCON), 2017. Crossref

  4. Nikolaenko Yu. E., Postol A. S., Experimental Investigation of the Contact Heat Resistance in the Threaded Joint Zone of Contact Surfaces, Journal of Engineering Physics and Thermophysics, 91, 4, 2018. Crossref

  5. Nikolaenko Yu.E., Alekseik Ye.S., Kozak D.V., Nikolaienko T.Yu., Research on two-phase heat removal devices for power electronics, Thermal Science and Engineering Progress, 8, 2018. Crossref

  6. Baranyuk A.V., Nikolaenko Yu.E., Rohachov V.A., Terekh A.M., Krukovskiy P.G., Investigation of the flow structure and heat transfer intensity of surfaces with split plate finning, Thermal Science and Engineering Progress, 11, 2019. Crossref

  7. Tuz V.O., Lebed N.L., Tarasenko O.M., Evaporative cooling of the liquid film in slot channels with capillary-porous walls under natural convection, Thermal Science and Engineering Progress, 18, 2020. Crossref

  8. Nikolaenko Yu.E., Melnyk R.S., Rotner S.M., Nikolaienko T.Yu., The use of Films of Metal-Containing Nanocomposites with a Silicon-Carbon Matrix in Thermal Imitators of the Components of Micro-and Nanoelectronics, 2018 IEEE 38th International Conference on Electronics and Nanotechnology (ELNANO), 2018. Crossref

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