Nanoparticle coating of a microchannel surface is an effective method for increasing the critical heat flux

Shustov, M. V.; Kuzma-Kichta, Yu. A.; Lavrikov, A. V.

doi:10.1134/s0040601517040073

Cited by 16 publications

(4 citation statements)

References 7 publications

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“…Interesting results are presented in [173], showing that the use of a nano-relief surface results in up to a fivefold increase in the rate of fluid circulation in a vertical channel and up to a threefold intensification of heat transfer in natural circulation at low temperature pressures of up to 5 K and pressures of up to 0.2 atm. It is also useful to present here the results obtained in [174] on liquid boiling in a single microchannel with a height of 0.2 mm, a width of 3 mm, and a length of 13.7 mm with a smooth heating surface or with a coating of aluminum oxide nanoparticles. A coating of Al 2 O 3 particles was applied onto the heating surface before the experiments by a method developed by the authors of this paper.…”

Section: Heat Transfer Enhancement and Increase In Critical Heat Flux At Flow Boiling In Channelsmentioning

confidence: 99%

“…The regularities presented in [13][14][15][166][167][168][169][170][171][172][173][174] are important for simulation of the hydrodynamics and heat transfer processes in cryogenic thermostabilization systems using channel and minimicrochannel assemblies for coolant pumping in HTS equipment.…”

Section: Heat Transfer Enhancement and Increase In Critical Heat Flux At Flow Boiling In Channelsmentioning

confidence: 99%

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Development of Methods for Heat Transfer Enhancement During Nitrogen Boiling to Ensure Stabilization of HTS Devices

Павленко

Кузнецов

2021

J. Engin. Thermophys.

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The paper presents a brief analysis of current achievements and key issues in the field of heat transfer and critical heat flux enhancement during boiling of cryogenic liquids and freons under various heat release laws via micro-structuring of the heat-generating surface. A review of new experimental data on the efficiency of heat transfer and critical heat flux enhancement during pool boiling via new micro-structured capillary-porous coatings created by plasma sputtering and selective laser melting/sintering (3D printing) is presented. The results of analysis of the efficiency of heat transfer and critical heat flux during boiling on heat-generating surfaces with micro-textures of different shapes and micro-profiling created by micro-deforming cutting are presented. New results obtained during nitrogen boiling under various hydrodynamical conditions on the mechanisms of sharp increase in the rate of non-stationary cooling of plates with new structured capillary-porous or low-heat-conductivity coatings with certain parameters are discussed. New results on the degree of heat transfer enhancement during boiling of liquids on micro-structured surfaces modified by the method of micro-arc oxidation are presented.

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Section: Heat Transfer Enhancement and Increase In Critical Heat Flux At Flow Boiling In Channelsmentioning

confidence: 99%

Section: Heat Transfer Enhancement and Increase In Critical Heat Flux At Flow Boiling In Channelsmentioning

confidence: 99%

Development of Methods for Heat Transfer Enhancement During Nitrogen Boiling to Ensure Stabilization of HTS Devices

Павленко

Кузнецов

2021

J. Engin. Thermophys.

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“…Researches on boiling in a single microchannel were conducted for different heating surfaces: clean copper and copper with an artificial nano-relief [10][11][12][13][14][15][16][17]. Experiments were provided in quasi-stationary conditions.…”

Section: Researches On Boiling In Microchannelmentioning

confidence: 99%

Boiling Heat Transfer Enhancement on Micro- and Nanoscales

Kuzma-Kichta¹,

Lavrikov²

2019

dteees

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Microchannel heat exchangers for future electronics, air conditioning systems and heat pipes must provide an extremely high heat flux. Conventional heat transfer enhancement methods may not be applicable due to the small size of these heat exchangers. The present investigation is directed to solve problems of an effective cooling at high heat flux in microchannels and CHF increasing with help of an artificial nanorelief of the surface. The relief is formed by alumina nanoparticles which are deposited on the heating surface of the channel.

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“…Well-known methods for obtaining textured surfaces with a predetermined topology [1], [2] are based either on surface etching (etching with thin electron or ion beams, chemical etching), or on replication (i.e., a kind of copying) of a surface from an existing texture on it (lithographic methods and the use of natural templates: two-dimensional photonic crystals, anodized aluminum oxide).…”

Section: Introductionmentioning

confidence: 99%

Study of the droplet transition from Cassie to Wenzel state on laser-modified metal surfaces

Borovikov

2022

J. Phys.: Conf. Ser.

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The paper presents the experimental study of the influence of laser radiation on the texture formation on aluminum alloy, the droplet transition from Cassie to Wenzel state, as well as the main geometric characteristics of a droplet (contact angle, droplet diameter and height). It was found that laser methods for changing the characteristics and texture of metal surfaces are a modern, flexible tool that makes it possible to achieve unique results in controlling the properties of metal surfaces.

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Nanoparticle coating of a microchannel surface is an effective method for increasing the critical heat flux

Cited by 16 publications

References 7 publications

Development of Methods for Heat Transfer Enhancement During Nitrogen Boiling to Ensure Stabilization of HTS Devices

Development of Methods for Heat Transfer Enhancement During Nitrogen Boiling to Ensure Stabilization of HTS Devices

Boiling Heat Transfer Enhancement on Micro- and Nanoscales

Study of the droplet transition from Cassie to Wenzel state on laser-modified metal surfaces

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