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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)

Publicou 18 edições por ano

ISSN Imprimir: 1064-2285

ISSN On-line: 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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CuO/WATER NANOFLUID FLOW OVER MICROSCALE BACKWARD-FACING STEP AND ANALYSIS OF HEAT TRANSFER PERFORMANCE

Volume 49, Edição 15, 2018, pp. 1489-1505
DOI: 10.1615/HeatTransRes.2018020931
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Recep Ekiciler
Center of Energy Applications Laboratory, Karabük University, Karabük, Turkey; Gazi University, Faculty of Engineering, Mechanical Engineering Department, Ankara, Turkey
Kamil Arslan
Center of Energy Applications Laboratory, Karabük University, Karabük, Turkey; Mechanical Engineering Department, Yıldırım Beyazıt University, Ankara, Turkey

RESUMO

Three-dimensional numerical simulation of steady-state laminar forced convection flow of a CuO/water nanofluid and heat transfer in a duct having a microscale backward-facing step (MBFS) are presented in this study. The study was conducted for determining the effects of nanoparticle volume fraction on the flow and heat transfer characteristics. The Reynolds number ranged from 100 to 1000. The step height and inlet height of the duct were 600 μm and 400 μm, respectively. The duct expansion ratio was 2.5. The downstream wall was subjected to a constant and uniform heat flux, whereas the other walls were insulated. The nanoparticle volume fraction varied from 1.0% to 4.0%. The Nusselt number and Darcy friction factor were obtained for each nanoparticle volume fraction. Plots of velocity streamlines were analyzed. It was found from the results of numerical simulation that the Nusselt number increases with increasing nanoparticle volume fraction and Reynolds number. The nanoparticle volume fraction does not exert any substantial effect on the Darcy friction factor and the length of the recirculation zone. Moreover, the performance evaluation criterion (PEC) was analyzed for nanoparticle volume fractions of 1.0%, 2.0%, 3.0%, and 4.0% of CuO. It was obtained that the volume fractions of 4.0% has the highest PEC in terms of heat transfer. It was obtained that while heat transfer for nanoparticle volume fraction of 30% and 4.0% the friction factor is superior for nanoparticle volume fraction of 1.0% and 2.0% due to the PEC number.

Palavras-chave: laminar flow, CuO/water nanofluid, microscale backward-facing step, forced convection, flow separation, heat transfer, PEC, recirculation zone
CITADO POR

  1. Ekiciler Recep, A CFD INVESTIGATION OF Al2O3/WATER FLOW IN A DUCT HAVING BACKWARD-FACING STEP, Journal of Thermal Engineering, 2019. Crossref

  2. Ekiciler Recep, CFD ANALYSIS OF LAMINAR FORCED CONVECTIVE HEAT TRANSFER FOR TiO2/WATER NANOFLUID IN A SEMI-CIRCULAR CROSS-SECTIONED MICRO-CHANNEL, Journal of Thermal Engineering, 2019. Crossref

  3. Ekiciler Recep, Arslan Kamil, Turgut Oğuz, Kurşun Burak, Effect of hybrid nanofluid on heat transfer performance of parabolic trough solar collector receiver, Journal of Thermal Analysis and Calorimetry, 143, 2, 2021. Crossref

  4. Feng Huijun, Wu Zhixiang, Chen Lingen, Ge Yanlin, Constructal thermodynamic optimization for dual-pressure organic Rankine cycle in waste heat utilization system, Energy Conversion and Management, 227, 2021. Crossref

  5. Abed Nabeel, Afgan Imran, Cioncolini Andrea, Iacovides Hector, Nasser Adel, Mekhail Tarek, Thermal performance evaluation of various nanofluids with non-uniform heating for parabolic trough collectors, Case Studies in Thermal Engineering, 22, 2020. Crossref

  6. GHAHFAROKHİ Narges Jafari, BAYAREH Morteza, NADOOSHAN Afshin Ahmadi, AZADİ Sara, MIXING ENHANCEMENT IN ELECTROOSMOTIC MICROMIXERS, Journal of Thermal Engineering, 2021. Crossref

  7. Prończuk Mateusz, Krzanowska Anna, Experimental Investigation of the Heat Transfer and Pressure Drop inside Tubes and the Shell of a Minichannel Shell and Tube Type Heat Exchanger, Energies, 14, 24, 2021. Crossref

  8. Arun M., Barik Debabrata, Sridhar K.P., Vignesh G., Performance Analysis of Solar Water Heater Using Al2O3 NanoParticle with Plain-Dimple Tube Design, Experimental Techniques, 2022. Crossref

  9. Nagarajan Fedal Castro, Kannaiyan Sathish Kumar, Boobalan Chitra, A Proficient approach to enhance heat transfer using cupric oxide/silica hybrid nanoliquids, Journal of Thermal Analysis and Calorimetry, 147, 10, 2022. Crossref

  10. AbdRabbuh O. Almatar, Abdelrazek Ali H., Kazi S. N., Zubir Mohd Nashrul Mohd, Nanofluids thermal performance in the horizontal annular passages: a recent comprehensive review, Journal of Thermal Analysis and Calorimetry, 147, 21, 2022. Crossref

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