A review on preparation, characterization, properties and applications of nanofluids

Devendiran, Dhinesh Kumar; Amirtham, Valan Arasu

doi:10.1016/j.rser.2016.01.055

Cited by 534 publications

(204 citation statements)

References 163 publications

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“…As a colloidal mixture made of a base fluid and a nanoparticle, nanofluid is a new generation of heat transfer fluids becoming a high potential fluid in heat transfer applications due to enhanced thermal conductivity [12]. Nanofluids have great potential in a wide range of fields, and their concept is extended by use of PCMs, going well beyond simply increasing the thermal conductivity of a fluid.…”

Section: Nanofluidsmentioning

confidence: 99%

See 1 more Smart Citation

Nanomaterials and nanofluids – new materials for building integrated solar thermal systems

Nikolić¹,

Skerlić²,

Radulović³

et al. 2017

Zbornik Radova Pisanih Za 5. Međunarodnu Konferenciju O Obnovljivim Izvorima Električne Energije

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Section: Nanofluidsmentioning

confidence: 99%

“…The main step in experimental studies with nanofluids is their preparation [12]. Nanofluids are produced by dispersing nanometer-scale solid particles into base liquids such as water, ethylene-glycol (EG), oils, etc.…”

Section: Nanofluidsmentioning

confidence: 99%

Nanomaterials and nanofluids – new materials for building integrated solar thermal systems

Nikolić¹,

Skerlić²,

Radulović³

et al. 2017

Zbornik Radova Pisanih Za 5. Međunarodnu Konferenciju O Obnovljivim Izvorima Električne Energije

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“…Therefore, nanoparticles have attracted researchers because of the abundance of applications thereof in technological and engineering processes. Nanoparticles in the base fluid, known as nanofluids, display thermophoresis and Brownian motion properties, which enhance the thermal performance and thermal conductivity of base fluids [6,7]. Ultra-high heat transfer rates and extreme stability are the two main features of nanofluids [8] and do not cause problems such as erosion, sedimentation, and pressure drop.…”

Section: Introductionmentioning

confidence: 99%

“…Finally the problem is integrated to obtain the boundary conditions at 0   . The convergence criteria is set to at least 7 …”

mentioning

confidence: 99%

MHD stagnation point flow of micro nanofluid towards a shrinking sheet with convective and zero mass flux conditions

Rauf¹,

Shehzad²,

Hayat³

et al. 2017

Bulletin of the Polish Academy of Sciences Technical Sciences

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Abstract. In this article the stagnation point flow of electrically conducting micro nanofluid towards a shrinking sheet, considering a chemical reaction of first order is investigated. Involvement of magnetic field occurs in the momentum equation, whereas the energy and concentrations equations incorporated the influence of thermophoresis and Brownian motion. Convective boundary condition on temperature and zero mass flux condition on concentration are implemented. Partial differential equations are converted into the ordinary ones using suitable variables. The numerical technique is utilized to discuss the results for velocity, microrotation, temperature, and concentration fields. Many biological fluids, as well as the fluids that are used in industrial applications such as printer inks, animal blood, detergents, paint, food stuff, polymer liquids, etc. change their flow characteristics when subjected to applied shear stress, and thus differ from Newtonian fluids. These materials are called non-Newtonian fluids. Researchers have discussed several non-Newtonian fluid flow models such as Maxwell fluid, power law fluid, second or third grade fluid, etc. Eringen [17,18] introduced the theory of micropolar fluids for the first time. This theory deals with the intrinsic motion and local microstructure of the fluid particles and can be valuable when investigating the impact of polymer suspensions, colloidal solutions, biological and muddy fluids, etc. Furthermore, the impact of mass and heat transfer, combined with the impact of chemical reaction, has in the last few years been investigated with regard to possible applications in hydrometallurgical and chemical plants, including fruit-processing methods, freeze damage of crops, temperature distribution and growth of trees, and heat and mass transfer in cooling towers. Heat transfer due to surface convection and zero mass flux at a stretching/shrinking surface has gained significance in material dying, hot wiring, nuclear plants, transpiration process, production of glass fiber, heat exchangers, prevention of energy, etc.The numerical solution of the problem of MHD stagnation point flow of micropolar fluid towards a moving sheet was presented by Ashraf and Bashir [19]. The extension of the above problem was performed by Rashidi et al. [20]. They added the term of mixed convection to the problem, and solved it analytically. Rauf et al. [21] numerically analyzed the MHD flow of micropolar fluid over a stretchable disk. The effects of a po-

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“…[16][17][18][19] In particular, Kasaeian et al, 20 Kim et al, 21 Leong et al, 22 Mahian et al, 23 and Sarsam et al 24 presented results of very extensive work on the use of nanofluids in solar energy systems. Other potential applications for nanofluids include friction reduction, [25][26][27] magnetic sealing, [28][29][30][31] biomedical applications, 32,33 electronic cooling, [34][35][36] and many others.…”

Section: Introductionmentioning

confidence: 99%

Dielectric Properties of Boron Nitride-Ethylene Glycol (BN-EG) Nanofluids

Fal

Cholewa

Gizowska

et al. 2016

Journal of Elec Materi

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This paper presents the results of experimental investigation of the dielectric properties of ethylene glycol (EG) with various load of boron nitride (BN) nanoparticles. The nanofuids were prepared by using a two-step method on the basis of commercially available BN nanoparticles. The measurements were carried out using the Concept 80 System (NOVOCONTROL Technologies GmbH & Co. KG, Montabaur, Germany) in a frequency range from 10 Hz to 10 MHz and temperatures from 278.15 K to 328.15 K. The frequency-dependent real (e 0 ) and imaginary (e 00 ) parts of the complex permittivity (e Ã ) and the alternating current (AC) conductivity are presented. Also, the effect of temperature and mass concentrations on the dielectric properties of BN-EG nanofluids are demonstrated. The results show that the most significant increase can be achieved for 20 wt.% of BN nanoparticles at 283.15 K and 288.15 K, that is eleven times larger than in the case of pure EG.

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A review on preparation, characterization, properties and applications of nanofluids

Cited by 534 publications

References 163 publications

Nanomaterials and nanofluids – new materials for building integrated solar thermal systems

Nanomaterials and nanofluids – new materials for building integrated solar thermal systems

MHD stagnation point flow of micro nanofluid towards a shrinking sheet with convective and zero mass flux conditions

Dielectric Properties of Boron Nitride-Ethylene Glycol (BN-EG) Nanofluids

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