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Heat Transfer Research

年間 18 号発行

ISSN 印刷: 1064-2285

ISSN オンライン: 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

Indexed in

THERMOHYDRAULIC CHARACTERISTICS OF MICROCHANNEL HEAT SINKS COMBINED WITH RIBS AND CAVITIES: EFFECTS OF GEOMETRIC PARAMETERS AND HEAT FLUX

巻 50, 発行 1, 2019, pp. 89-105
DOI: 10.1615/HeatTransRes.2018026458
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要約

The effects of the geometric parameters and heat flux on the thermohydraulic characteristics of microchannel heat sinks combined with ribs and cavities are investigated numerically. The numerical study is performed under conditions of laminar flow with conjugate heat transfer between silicon and water. In order to find the optimum substrate thickness, ratios of substrate thickness to microchannel height (Hs/Hc = 0, 0.25, 0.50, 0.75, 1.00, 1.25, and 1.50) are investigated. It is found that the temperature of the substrate surface firstly decreases and then gradually increases, the minimum temperature of the substrate surface occurs with Hs/Hc = 0.25. Furthermore, the microchannel heat sinks are studied at rib width to the spacing ratios (Lr/Sr = 0.25, 0.50, 0.75, and 1.0), rib heights to parallel sidewalls width ratios (Hr/Wc = 0.10, 0.15, 0.20, and 0.25), spacing to the parallel sidewalls width ratios (Sr/Wc = 4, 8, 12, and 16) and heat fluxes (qw = 50, 100, 150, 200, 250, and 300 W cm–2). The results show that the Performance Evaluation Criterion (PEC) is continued to slowly decrease with increase of qw. For all cases of qw, the maximum value of PEC occurs in model 2 with Lr/Sr = 0.50, Hr/Wc = 0.20, and Sr/Wc = 4. For Re > 320, the wall temperature of model 1 is slightly smaller than that of model 2.

によって引用された
  1. Habibi Matin Meisam, Moghaddam Saeed, Thin liquid films formation and evaporation mechanisms around elongated bubbles in rectangular cross-section microchannels, International Journal of Heat and Mass Transfer, 163, 2020. Crossref

  2. Song Jian, Liu Fei, Sui Yi, Jing Dalei, Numerical studies on the hydraulic and thermal performances of trapezoidal microchannel heat sink, International Journal of Thermal Sciences, 161, 2021. Crossref

  3. Keklikcioglu Orhan, Ozceyhan Veysel, Heat transfer augmentation in a tube with conical wire coils using a mixture of ethylene glycol/water as a fluid, International Journal of Thermal Sciences, 171, 2022. Crossref

  4. Ali Abdullah Masoud, Angelino Matteo, Rona Aldo, Numerical analysis on the thermal performance of microchannel heat sinks with Al2O3 nanofluid and various fins, Applied Thermal Engineering, 198, 2021. Crossref

  5. A Rajalingam, Chakraborty Shubhankar, Effect of shape and arrangement of micro-structures in a microchannel heat sink on the thermo-hydraulic performance, Applied Thermal Engineering, 190, 2021. Crossref

  6. Mieczkowski Mateusz, Furmański Piotr, Łapka Piotr, Optimization of a microchannel heat sink using entropy minimization and genetic aggregation algorithm, Applied Thermal Engineering, 191, 2021. Crossref

  7. Lau G.E., Mohammadpour J., Lee A., Cooling performance of an impinging synthetic jet in a microchannel with nanofluids: An Eulerian approach, Applied Thermal Engineering, 188, 2021. Crossref

  8. Wang Rong , Xie Zhihui , Lu Zhuoqun , You Jiang , Ge Yanlin , SECOND LAW CONSTRUCTAL DESIGNS OF HYBRID SINGLE-FINNED AND STAGGER-FINNED MICROCHANNEL HEAT SINKS , Journal of Enhanced Heat Transfer, 29, 4, 2022. Crossref

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