Topic
Nanofluid
About: Nanofluid is a research topic. Over the lifetime, 23986 publications have been published within this topic receiving 677384 citations.
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TL;DR: Recent advances in the last decade by researchers in both pool boiling and convective boiling applications, with nanofluids as the working fluid are covered, in terms of enhancements, and degradations in the nucleate boiling heat transfer and critical heat flux.
Abstract: There has been increasing interest of late in nanofluid boiling and its use in heat transfer enhancement. This article covers recent advances in the last decade by researchers in both pool boiling and convective boiling applications, with nanofluids as the working fluid. The available data in the literature is reviewed in terms of enhancements, and degradations in the nucleate boiling heat transfer and critical heat flux. Conflicting data have been presented in the literature on the effect that nanofluids have on the boiling heat-transfer coefficient; however, almost all researchers have noted an enhancement in the critical heat flux during nanofluid boiling. Several researchers have observed nanoparticle deposition at the heater surface, which they have related back to the critical heat flux enhancement.
183 citations
TL;DR: In this paper, an experimental investigation on effects of temperature and particle volume concentration on the dynamic viscosity of ZnO-EG nanofluid was carried out using a "Spindle-type" Brookfield commercial viscometer.
183 citations
TL;DR: In this paper, the HFE-7100 Engineered fluid with metal nanoparticles of spherical and non-spherical shapes with different sizes was used to investigate the effect of particle shape on Bejan number and entropy generation.
Abstract: The flow of mixed convection nanofluid over wedge under the effects of porous medium is investigated. The HFE-7100 Engineered Fluid having Nimonic 80a metal nanoparticles of spherical and non-spherical shapes with different sizes is used. The particle shape effects on Bejan number and entropy generation are taken into account. The system of partial differential equations is first written in terms of ordinary differential equations using adequate similarity transformations and then solved analytically. Analytical solutions of the resulting equations are obtained for the velocity and temperature profiles. Simultaneous effects of porous medium, particle volume friction, mixed convection parameter, and angle of wedge in the presence of different shapes nanoparticles are demonstrated graphically. Effects of particle concentrations, sizes on wall stress, heat transfer coefficient of Skin friction, and Nusselt are discussed in the form of tables.
183 citations
TL;DR: In this article, the thermal conductivity of methanol-based nanofluids with Al 2 O 3 and SiO 2 nanoparticles was measured using an ultrasonic equipment.
183 citations
TL;DR: In this article, the authors investigated the effect of acoustic cavitation and fluid sub-cooling on heat transfer in a heated horizontal copper tube and found that the addition of copper nanoparticles did not change the dependence of heat transfer.
183 citations