The mechanism of heat transfer in nanofluids: state of the art (review). Part 1. Synthesis and properties of nanofluids

Терехов, В. И.; Kalinina, S. V.; Леманов, В. В.

doi:10.1134/s0869864310010014

Cited by 67 publications

(17 citation statements)

References 71 publications

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“…Their use as a heat-transfer medium has been widely investigated, due to the report of a significant increase of their thermal conductivity with respect to that of the carrier liquid, even in the case of diluted suspensions [1][2][3][4][5][6]. Further investigation showed that the change in thermal conductivity is accompanied by an enhancement of mass diffusion in nanofluids [7], a feature which has been interpreted as due to interfacial complexation [8].…”

Section: Introductionmentioning

confidence: 96%

Tunable heat transfer with smart nanofluids

2012

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Strongly thermophilic nanofluids are able to transfer either small or large quantities of heat when subjected to a stable temperature difference. We investigate the bistability diagram of the heat transferred by this class of nanofluids. We show that bistability can be exploited to obtain a controlled switching between a conductive and a convective regime of heat transfer, so as to achieve a controlled modulation of the heat flux.

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Section: Introductionmentioning

confidence: 96%

Tunable heat transfer with smart nanofluids

2012

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“…Suspensions of nanoparticles of metals and oxides in the base liquid are recently discussed as a promising heat transfer material [1,2]. Nanofluids serve as a "moving force" of technological breakthrough due to "dramatic improvements" [2] of their thermal conductivity relative to the base medium.…”

Section: Introductionmentioning

confidence: 99%

“…In most experiments with nanofluids [1,2], authors determined the effective thermal conductivity coefficient by the transient hot-wire (THW) technique (see [3] and the references therein). The technique is based on Joule heating of the probe in the investigated medium by unities of degrees by a pulse of about 1 s length.…”

Section: Introductionmentioning

confidence: 99%

Apparatus for studying heat transfer in nanofluids under high-power heating

Rutin

Скрипов

2012

J. Engin. Thermophys.

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A technique of electronic control of the probe heating power is developed using the method of controlled pulse heating of a wire probe, that is a resistance thermometer, was developed. An apparatus implementing this technique was fabricated. The characteristic parameters of the apparatus are as follows: the heating pulse length, 1 to 10 ms; the heat flux density through the surface of a 20 μm probe, 1 to 10 MW/m 2 ; repeatability of selected power value in a series of pulses is on a level of 0.05%. As an example, the constant heating power mode is applied for comparing the thermal resistance of nanofluids in the region of stable states of liquid and superheated (with respect to the liquid-vapor equilibrium temperature of the base liquid) ones. The parameter was the content of Al 2 O 3 nanoparticles in the base liquid (isopropanol).

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“…Nowar [14] solved the problem of peristaltic flow of a nanofluid in the regime of Hall current and porous medium. A vast study exploring different aspects of nanofluid may be consulted in the references [15][16][17][18][19][20][21][22][23].…”

Section: Introductionmentioning

confidence: 99%

Magnetohydrodynamic Nanoliquid Thin Film Sprayed on a Stretching Cylinder with Heat Transfer

et al. 2017

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Abstract:The magnetohydrodynamic thin film nanofluid sprayed on a stretching cylinder with heat transfer is explored. The spray rate is a function of film size. Constant reference temperature is used for the motion past an expanding cylinder. The sundry behavior of the magnetic nano liquid thin film is carefully noticed which results in to bring changes in the flow pattern and heat transfer. Water-based nanofluids like Al 2 O 3 -H 2 O and CuO-H 2 O are investigated under the consideration of thin film. The basic constitutive equations for the motion and transfer of heat of the nanofluid with the boundary conditions have been converted to nonlinear coupled differential equations with physical conditions by employing appropriate similarity transformations. The modeled equations have been computed by using HAM (Homotopy Analysis Method) and lead to detailed expressions for the velocity profile and temperature distribution. The pressure distribution and spray rate are also calculated. The comparison of HAM solution predicts the close agreement with the numerical method solution. The residual errors show the authentication of the present work. The CuO-H 2 O nanofluid results from this study are compared with the experimental results reported in the literature showing high accuracy especially, in investigating skin friction coefficient and Nusselt number. The present work discusses the salient features of all the indispensable parameters of spray rate, velocity profile, temperature and pressure distributions which have been displayed graphically and illustrated.

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The mechanism of heat transfer in nanofluids: state of the art (review). Part 1. Synthesis and properties of nanofluids

Cited by 67 publications

References 71 publications

Tunable heat transfer with smart nanofluids

Tunable heat transfer with smart nanofluids

Apparatus for studying heat transfer in nanofluids under high-power heating

Magnetohydrodynamic Nanoliquid Thin Film Sprayed on a Stretching Cylinder with Heat Transfer

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