Journal ArticleDOI
Investigation on Convective Heat Transfer and Flow Features of Nanofluids
Yimin Xuan,Qiang Li +1 more
TLDR
In this article, an innovative new class of heat transfer fluids can be engineered by suspending metallic nanoparticles in conventional heat-transfer fluids, which are expected to exhibit high thermal conductivities compared to those of currently used heat transfer fluid, and they represent the best hope for enhancing heat transfer.Abstract:
Low thermal conductivity is a primary limitation in the development of energy-efficient heat transfer fluids that are required in many industrial applications. In this paper we propose that an innovative new class of heat transfer fluids can be engineered by suspending metallic nanoparticles in conventional heat transfer fluids. The resulting {open_quotes}nanofluids{close_quotes} are expected to exhibit high thermal conductivities compared to those of currently used heat transfer fluids, and they represent the best hope for enhancement of heat transfer. The results of a theoretical study of the thermal conductivity of nanofluids with copper nanophase materials are presented, the potential benefits of the fluids are estimated, and it is shown that one of the benefits of nanofluids will be dramatic reductions in heat exchanger pumping power.read more
Citations
More filters
Journal ArticleDOI
Experimental study on the characteristics of thermal conductivity and shear viscosity of viscoelastic-fluid-based nanofluids containing multiwalled carbon nanotubes
TL;DR: Li et al. as mentioned in this paper proposed a modified Li-Qu-Feng model to predict thermal conductivity of VFBNs containing multwalled carbon nanotubes (MWCNTs) to obtain a novel thermo-fluid with both turbulent drag reducing and heat transfer enhancement.
Journal ArticleDOI
Rheological behavior of ethylene glycol-based SiC nanofluids
TL;DR: In this paper, the rheological behavior of nanofluids with spherical-shaped SiC nanoparticles was analyzed using a HAAKE MARS III rheometer at different volume fractions and temperatures.
Journal ArticleDOI
Boiling heat transfer characteristics of nanofluids jet impingement on a plate surface
Zhen-Hua Liu,Yu-hao Qiu +1 more
TL;DR: In this paper, the quantificational effects of the nanoparticles concentration and flow conditions on the nucleate boiling heat transfer and the critical heat flux (CHF) were investigated.
Journal ArticleDOI
An experimental determination and accurate prediction of dynamic viscosity of MWCNT(%40)-SiO2(%60)/5W50 nano-lubricant
TL;DR: In this paper, an artificial neural network (ANN) for relative viscosity of MWCNT(%40)-SiO2(%60)/5W50 nano-lubricant was investigated experimentally.
Journal ArticleDOI
Influence of particle size and shape on turbulent heat transfer characteristics and pressure losses in water-based nanofluids
Arttu Meriläinen,Ari Seppälä,Kari Saari,Jani Seitsonen,Janne Ruokolainen,Sakari R. Puisto,Niko K. J. Rostedt,Tapio Ala-Nissila,Tapio Ala-Nissila +8 more
TL;DR: In this article, the authors carried out extensive experimental studies of turbulent convective heat transfer of several water-based Al2O3, SiO2, and MgO nanofluids with a nanoparticle volume fraction up to 4%.
References
More filters
Book
Introduction to Heat Transfer
TL;DR: In this article, the physical concepts and methodologies of heat and mass transfer are explained for advanced undergraduate engineering majors, using a systematic method for problem solving and discusses the relationship of heat transfer to many important practical applications through examples and problems.
Journal ArticleDOI
Hydrodynamic and heat transfer study of dispersed fluids with submicron metallic oxide particles
Bock Choon Pak,Young I. Cho +1 more
TL;DR: In this article, the authors used a Brookfield rotating viscometer to measure the viscosities of the dispersed fluids with γ-alumina (Al2O3) and titanium dioxide (TiO2) particles at a 10% volume concentration.
Journal ArticleDOI
Thermal Conductivity of Heterogeneous Two-Component Systems
R. L. Hamilton,O. K. Crosser +1 more
Journal ArticleDOI
Measuring Thermal Conductivity of Fluids Containing Oxide Nanoparticles
TL;DR: In this paper, a transient hot-wire method was used to measure the thermal conductivity of a small amount of nanoparticles and the experimental results showed that these nanoparticles have substantially higher thermal conductivities than the same liquids without nanoparticles.
Journal ArticleDOI
Conceptions for heat transfer correlation of nanofluids
Yimin Xuan,Wilfried Roetzel +1 more
TL;DR: In this article, the authors proposed two different approaches for deriving heat transfer correlation of the nanofluid, and investigated the mechanism of heat transfer enhancement of the nano-fluid.