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Keywords: nanoparticles
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Journal Articles
Article Type: Research-Article
J. Heat Transfer. August 2020, 142(8): 082501.
Paper No: HT-18-1138
Published Online: June 8, 2020
... and analyzed. Our computed analysis depicts that the influence of squeezed and magnetic parameters have reverse effects on temperature. e-mail:  ikram020@yahoo.com 08 03 2018 12 01 2020 08 06 2020 squeezing flow nonlinear thermal radiation nanoparticles magnetic field...
Journal Articles
Article Type: Technical Briefs
J. Heat Transfer. April 2019, 141(4): 044501.
Paper No: HT-18-1399
Published Online: February 25, 2019
...-conductivity-through-development-nanofluids Nanofluids are a colloidal dispersion of solid nanoparticles in a continuous liquid matrix. Nanofluids are highly desirable for heat transfer applications due to their high thermal conductivity which is a function of the base fluid and inclusion particle...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. February 2019, 141(2): 022402.
Paper No: HT-18-1411
Published Online: December 13, 2018
... online December 13, 2018. Assoc. Editor: Evelyn Wang. 22 06 2018 07 11 2018 29 nm CuO nanoparticles nanofluid heat transfer Hall effects Lorentz force thermoelectric In an electromagnetic field, combined effect of electric and magnetic forces on charged molecules...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. July 2015, 137(7): 072301.
Paper No: HT-13-1601
Published Online: March 24, 2015
.... The numerical model is based on the one-fluid mixture approach combined with the single-domain enthalpy porosity model for phase change, and it is implemented in fluent software package. The linear dependence of the liquidus and solidus temperatures with the concentration of the nanoparticles was assumed...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. May 2013, 135(5): 052901.
Paper No: HT-12-1210
Published Online: April 11, 2013
... and improved charge/discharge in thermal energy storage applications. In this study, the effect of the size of the nanoparticles on the morphology of the solid–liquid interface and the evolving concentration field during solidification is reported. Combining a one-fluid-mixture approach with the single-domain...
Journal Articles
Article Type: Technical Briefs
J. Heat Transfer. November 2012, 134(11): 114503.
Published Online: September 28, 2012
... in performing experimental measurements that are related to the ignition sensitivity of the mixture and can result in unintentional ignition. laser flash analyzer reactive materials nanoparticles thermal properties aluminum nanocomposites This study experimentally examined the thermal...
Journal Articles
Article Type: Melting And Solidification
J. Heat Transfer. September 2012, 134(9): 092301.
Published Online: July 2, 2012
... investigation on freezing of NePCM in comparison to the base PCM are presented. A one-dimensional Stefan model was developed to study the unidirectional freezing of NePCM in a finite slab. Only the thermal energy equation was considered and the presence of static dispersed nanoparticles was modeled using...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. April 2012, 134(4): 042501.
Published Online: February 15, 2012
... fluids rather than like conventional solid–liquid mixtures. This assumption implies that all the convective heat transfer correlations available in the literature for single-phase flows can be extended to nanoparticle suspensions, provided that the thermophysical properties appearing in them...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. April 2012, 134(4): 041302.
Published Online: February 13, 2012
... and transmission electron microscopies. In order to investigate the influence of synthesis conditions on the thermal conductivity of composites, various concentrations of multiwall carbon nanotubes, graphites, surfactants, and polymer matrix materials as well as two different nanoparticles and solvents were tested...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. January 2012, 134(1): 012401.
Published Online: November 21, 2011
... 21 11 2011 evaporation gold high-speed optical techniques laser beam effects laser sintering melting nanoparticles particle size solidification laser sintering nanosized metal particles size effect Selective laser sintering (SLS) utilizes the advantage of high energy...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. November 2011, 133(11): 111501.
Published Online: August 31, 2011
.... Many studies have been done on the pool boiling characteristics of nanofluids, most of which have been with nanofluids containing oxide nanoparticles owing to the ease in their preparation. Deterioration in boiling heat transfer was observed in some studies. Metallic nanofluids having metal...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. May 2011, 133(5): 051401.
Published Online: February 4, 2011
...W. Escher; T. Brunschwiler; N. Shalkevich; A. Shalkevich; T. Burgi; B. Michel; D. Poulikakos Nanofluids have been proposed to improve the performance of microchannel heat sinks. In this paper, we present a systematic characterization of aqueous silica nanoparticle suspensions with concentrations up...
Journal Articles
Article Type: Technical Briefs
J. Heat Transfer. May 2011, 133(5): 054503.
Published Online: February 2, 2011
...) and alumina ( Al 2 O 3 ) nanoparticles in the based fluid of water with the Prandtl number Pr = 7 to investigate the effect of the solid volume fraction parameter ϕ of the fluid and heat transfer characteristics. The skin friction coefficient, Nusselt number, and the velocity and temperature profiles...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. April 2011, 133(4): 042402.
Published Online: January 11, 2011
...Dhruv Singh; Jayathi Y. Murthy; Timothy S. Fisher Phonon transport across constrictions formed by a nanowire or a nanoparticle on a substrate is studied by a numerical solution of the gray Boltzmann transport equation (BTE) resolving the effects of two length scales that govern problems...
Journal Articles
Article Type: Review Articles
J. Heat Transfer. April 2011, 133(4): 040801.
Published Online: January 10, 2011
... reasons for the experimental finding of significant conductivity enhancement include the nanoparticle Brownian motion, the Brownian-motion-induced convection, the liquid layering at the liquid-particle interface, and the nanoparticle cluster/aggregate. Although there is a lack of agreement regarding...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. March 2011, 133(3): 031009.
Published Online: November 16, 2010
..., a consensus is lacking on if and how the dispersed nanoparticles alter the thermal transport in convective flows. In this work, an experimental investigation was conducted to study single-phase forced convection of Al 2 O 3 -water nanofluid in a circular minichannel with a 1.09 mm inner diameter. The friction...
Journal Articles
Article Type: Technical Briefs
J. Heat Transfer. February 2011, 133(2): 024501.
Published Online: November 2, 2010
...Donghyun Shin; Debjyoti Banerjee Silica nanoparticles (1% by weight) were dispersed in a eutectic of lithium carbonate and potassium carbonate (62:38 ratio) to obtain high temperature nanofluids. A differential scanning calorimeter instrument was used to measure the specific heat of the neat molten...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. January 2011, 133(1): 011003.
Published Online: September 27, 2010
...Anilchandra Attaluri; Ronghui Ma; Liang Zhu Magnetic nanoparticles have been used in clinical and animal studies to generate localized heating for tumor treatments when the particles are subject to an external alternating magnetic field. Currently, since most tissue is opaque, the detailed...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. November 2010, 132(11): 111201.
Published Online: August 10, 2010
... that involves a dispersion of high velocity alumina shell fragments and molten Al droplets that promote a pressure build-up by inducing a bulk movement of fluid. This mechanism unique to nanoparticle reaction may promote convection without the need for additional gas generation. aluminium atom-molecule...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. October 2010, 132(10): 102404.
Published Online: July 29, 2010
...Saeid Vafaei; Dongsheng Wen This work investigates subcooled flow boiling of aqueous based alumina nanofluids in 510 μ m single microchannels with a focus on the effect of nanoparticles on the critical heat flux. The surface temperature distribution along the pipe, the inlet and outlet pressures...