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An Experimental Investigation on the Influence of Copper Ageing on Flow Boiling in a Copper Microchannel
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In this paper, the influence of copper ageing on flow boiling heat transfer and pressure drop in copper microchannels of two different hydraulic diameters was investigated, and the experimental results showed that the influence was negligible.Abstract:
The study reports the experimental investigation on the influence of copper ageing on flow boiling heat transfer and pressure drop in copper microchannels of two different hydraulic diamete...read more
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Experimental investigation of flow boiling in rectangular mini/micro-channels of different aspect ratios without and with vapour venting membrane
TL;DR: In this paper, the influence of vapour venting on the flow boiling pressure drop and heat transfer of water in copper mini/micro-channels of three different aspect ratios was investigated.
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Effect of boiling-induced aging on pool boiling heat transfer performance of untreated and laser-textured copper surfaces
TL;DR: In this article, the aging behavior of an untreated and a laser-textured copper boiling surface during an eight-day testing period under pool boiling conditions using saturated water at atmospheric pressure was investigated.
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Significance of surface modification on nucleate pool boiling heat transfer characteristics of refrigerant R-141b
TL;DR: In this article, the significance of surface modification on the heat transport phenomena under nucleate pool boiling configuration of saturated R-141b at ambient condition over SiO2 thin film (TF) nanocoated surfaces was investigated.
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Modeling of pressure drop and heat transfer for flow boiling in a mini/micro-channel of rectangular cross-section
TL;DR: In this paper, a one-dimensional model is proposed to estimate the pressure drop and heat transfer coefficient for flow boiling in a rectangular microchannel, taking into account the pressure fluctuations caused due to the confined bubble growth and the effect of pressure fluctuations on the heat transfer characteristics.
Journal ArticleDOI
On the Prediction of Pressure Fluctuations and Pressure Drop Caused by Confined Bubble Growth During Flow Boiling in a Rectangular Mini/Micro-Channel
Shashwat Jain,Sateesh Gedupudi +1 more
TL;DR: In this paper, heat sinks based on flow boiling in microchannels have the potential to mitigate temperature rise in high heat flux devices such as electronic equipment. But the major challenge is the instabil...
References
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Journal ArticleDOI
The rates of oxidation of several faces of a single crystal of copper as determined with elliptically polarized light
TL;DR: In this article, the rates of oxidation of the (100), (111), (110) and (311) faces of a copper single crystal were determined at the temperatures 70°, 106°, 130°, 159°, and 178°C by measuring the increase in thickness of the oxide film as a function of time.
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An evaluation of prediction methods for saturated flow boiling heat transfer in mini-channels
Licheng Sun,Kaichiro Mishima +1 more
TL;DR: In this paper, 13 prediction methods for flow boiling heat transfer in mini-channels were compared against a new database including 2505 data for 11 liquids covering diameter from 0.21 to 6.05mm.
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Hierarchical nanostructures of cupric oxide on a copper substrate: controllable morphology and wettability
TL;DR: In this article, a facile fabrication of CuO hierarchical nanostructures on copper substrates by the oxidation of copper in alkaline conditions at 60 °C was demonstrated, where optical absorption was used to determine the band gap energies of the nanostructure.
Hierarchically structured surfaces for boiling critical heat flux enhancement
TL;DR: In this article, the authors reported large enhancements in critical heat flux (CHF) on hierarchically structured surfaces, fabricated using electrophoretic deposition of silica nanoparticles on microstructured silicon and electroplated copper microstructures covered with copper oxide (CuO) nanostructures.
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Enhanced boiling heat transfer from microporous surfaces: effects of a coating composition and method
J.Y. Chang,Seung M. You +1 more
TL;DR: In this article, the boiling performance of micro-porous-enhanced surface is compared with that of the commercial High Flux surface, and two different coating methods are researched and nearly identical boiling performances are obtained with the optimized coating composition.