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Now showing items 1-11 of 11
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A new correlation for predicting the thermal conductivity of nanofluids; using dimensional analysis
(PERGAMON-ELSEVIER SCIENCE LTD, 2015)Thermal conductivity of nanofluids is a key thermophysical property, which depends on concentration and size of nanoparticles, temperature and thermophysical properties of the base fluid. Over last decades, several works ... -
An experimental investigation of heat transfer enhancement of a minichannel heat sink using Al2O3-H2O nanofluid
(PERGAMON-ELSEVIER SCIENCE LTD, 2014)The thermal performances of a minichannel heat sink are experimentally investigated for cooling of electronics using nanofluid coolant instead of pure water. The Al2O3-H2O nanofluid including the volume fraction ranging ... -
Analyses of entropy generation and pressure drop for a conventional flat plate solar collector using different types of metal oxide nanofluids
(ELSEVIER SCIENCE SA, 2013)This paper theoretically analyzes entropy generation, heat transfer enhancement capabilities and pressure drop of an absorbing medium with suspended nanoparticles (Al2O3, CuO, SiO2, TiO2 dispersed in water) inside a flat ... -
Effect of nanoparticle shape on the heat transfer and thermodynamic performance of a shell and tube heat exchanger
(PERGAMON-ELSEVIER SCIENCE LTD, 2013)Nanofluid is a heat transfer fluid that can improve the performance of heat exchanger systems. Different parameters such as particle size, shape, and volume concentration affect the performance of these systems. The objective ... -
Energy and exergy efficiency of a flat plate solar collector using pH treated Al2O3 nanofluid
(ELSEVIER SCI LTD, 2016)Application of nanofluid to increase the thermal efficiency of a traditional solar collector is getting tremendous attention among the scientific community. Al2O3-water nanofluid, as a working fluid and its effect on the ... -
Energy, economic, and environmental analysis of a flat-plate solar collector operated with SiO2 nanofluid
(SPRINGER, 2015)To overcome the environmental impact and declining source of fossil fuels, renewable energy sources need to meet the increasing demand of energy. Solar thermal energy is clean and infinite, suitable to be a good replacement ... -
Experimental investigation of the relation between yield stress and ultrasonication period of nanofluid
(PERGAMON-ELSEVIER SCIENCE LTD, 2016)Nanofluids are the mixtures of solid nanoparticles in liquid. Like most other fluids, nanofluids could behave as yield stress fluids, which require a certain amount of stress to flow. This flow characteristic may depend ... -
Heat transfer and pressure drop characteristics of a plate heat exchanger using water based Al2O3 nanofluid for 30 degrees and 60 degrees chevron angles
(SPRINGER, 2018)Nanofluid is a new class of engineering fluid that has good heat transfer characteristics which is essential to increase the heat transfer performance in various engineering applications such as heat exchangers and cooling ... -
Heat transfer performance and exergy analyses of a corrugated plate heat exchanger using metal oxide nanofluids
(PERGAMON-ELSEVIER SCIENCE LTD, 2014)Heat exchangers have been widely used for efficient heat transfer from one medium to another. Nanofluids are potential coolants, which can afford excellent thermal performance in heat exchangers. This study examined the ... -
New thermophysical properties of water based TiO2 nanofluid-The hysteresis phenomenon revisited
(PERGAMON-ELSEVIER SCIENCE LTD, 2014)Homogeneous stable suspensions acquired by dispersing dry Al2O3 and TiO2 nanoparticles in controlled pH solution and distilled water, respectively, were prepared and investigated in this study. First of all, the mean ... -
Performance enhancement of a Flat Plate Solar collector using Titanium dioxide nanofluid and Polyethylene Glycol dispersant
(ELSEVIER SCI LTD, 2015)The use of TiO2 water nanofluid as a working fluid for enhancing the performance of a flat plate solar collector has been studied. The volume fraction of the nanoparticles was 0.1% and 0.3% respectively, while the mass ...
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