Two-Phase Flow Boiling of Nanofluids in Mini- and Microchannels

IF 1 4区 物理与天体物理 Q4 PHYSICS, APPLIED
M. Kabir, J. Downer, E. Preller, C. Tarau, B. Yang, J. Xu
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引用次数: 0

Abstract

The effects of single-phase nanofluid flow in mini-/microchannels have been investigated both experimentally and numerically in the literature during the last decade. Almost all the studies show a similar trend by which the engagement of single-phase nanofluids to mini-/microchannels provides significant improvements in the thermal performance. However, there are only limited number of publications in the literature, which have experimentally focused on the heat transfer performance of nanofluids for two-phase flow boiling in mini-/microchannels. Moreover, there are some noticeably conflicting trends concluded by these experimental studies, particularly for the boiling heat transfer coefficient. In the present review, the key clue to figure out the contradictions reflected in the literature on the experimental measurements of boiling heat transfer coefficient is traced to the various deposition patterns of nanoparticles of different sizes on the boiling surface and subsequent changes in the morphology and boiling behavior as well. In addition, the crucial parameters of nanofluids in mini-/microchannels during flow boiling are identified and the effects of the parameters on the boiling heat transfer performance are comprehensively reviewed. The agreements and inconsistencies reported in the literature are also identified and discussed. Finally, a series of suggestions are provided for future experimental studies of nanofluids flow boiling to minimize the contradictory reports.

Abstract Image

纳米流体在小型和微型通道中的两相流动沸腾
摘要 过去十年间,文献对微型/微通道中单相纳米流体流动的影响进行了实验和数值研究。几乎所有的研究都显示了一个相似的趋势,即单相纳米流体在微型/微通道中的参与显著改善了热性能。然而,仅有有限数量的文献通过实验研究了纳米流体在微型/微通道中两相流沸腾时的传热性能。此外,这些实验研究还得出了一些明显相互矛盾的趋势,尤其是在沸腾传热系数方面。在本综述中,要弄清文献中关于沸腾传热系数实验测量结果的矛盾,关键线索在于不同大小的纳米颗粒在沸腾表面的各种沉积模式,以及随之而来的形态和沸腾行为的变化。此外,还确定了纳米流体在微型/微通道中流动沸腾时的关键参数,并全面评述了这些参数对沸腾传热性能的影响。还确定并讨论了文献中报道的一致和不一致之处。最后,为纳米流体流动沸腾的未来实验研究提供了一系列建议,以尽量减少相互矛盾的报告。
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来源期刊
High Temperature
High Temperature 物理-物理:应用
CiteScore
1.50
自引率
40.00%
发文量
0
审稿时长
4-8 weeks
期刊介绍: High Temperature is an international peer reviewed journal that publishes original papers and reviews written by theoretical and experimental researchers. The journal deals with properties and processes in low-temperature plasma; thermophysical properties of substances including pure materials, mixtures and alloys; the properties in the vicinity of the critical point, equations of state; phase equilibrium; heat and mass transfer phenomena, in particular, by forced and free convections; processes of boiling and condensation, radiation, and complex heat transfer; experimental methods and apparatuses; high-temperature facilities for power engineering applications, etc. The journal reflects the current trends in thermophysical research. It presents the results of present-day experimental and theoretical studies in the processes of complex heat transfer, thermal, gas dynamic processes, and processes of heat and mass transfer, as well as the latest advances in the theoretical description of the properties of high-temperature media.
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