... = 71–1350, Prandtl number, Pr = 3.18–13.7, and at fixed inlet temperatures of hot and cold fluids Th i = 60 °C and Tc i = 20 °C, respectively. The two main influential thermo-physical properties of the nanofluid, namely, dynamic viscosity and thermal conductivity obtained for various volume fractions...

...L. Wang; X. D. Zhang; J. Liu; Y. X. Zhou Liquid metal owns the highest thermal conductivity among all the currently available fluid materials. This property enables it to be a powerful coolant for the thermal management of large power device or high flux chip. In this paper, a high-efficiency heat...

... the dynamic viscosity and thermal conductivity of the nanofluid. The error related to the use of the classical correlations is determined and it increases with the volume fraction. Hence, the experimentally determined properties are directly used in the numerical simulation. The governing equations...

...S. V. Sujith; Anand Kumar Solanki; Rahul S. Mulik The present study reports an experimental evaluation of thermal conductivity of Al 2 O 3 /pure coconut oil nano fluids with solid volume fraction varying from 0.1% to 1.2% at a temperature ranging from 303 K to 413 K, respectively. Additionally...

...W. M. Hasona; N. H. Almalki; A. A. ElShekhipy; M. G. Ibrahim As conduction, convection, and radiation are fundamental modes of heat emitter and transfer, this paper looks at the influences of temperature-dependent thermal conductivity and thermal radiation on peristaltic flow of pseudoplastic...

...Sidhartha Das; Asis Giri; S. Samanta; S. Kanagaraj An attempt is made here to characterize thermal conductivity of water-based Al 2 O 3 nanofluid and then use the same in a circular finned thermosyphon (TPCT) to measure its thermal performance. The concentration of Al 2 O 3 nanofluid is varied...

... received October 7, 2011; final manuscript received May 1, 2012; published online October 12, 2012. Assoc. Editor: Chenn Zhou. 07 10 2011 01 05 2012 This work presents in situ measurements of the effective thermal conductivity in particulate coal ash deposits under both reducing...

... by approximately 40%. Some experiments have shown that the operating (temperature) range of the IAS is much larger than a standard heat pipe. It is theorized that the increase in performance of the IAS is due to an increased thermal conductivity of the wick and increased capillarity. If this fluid is proven...

... on the wood fiber types. The effective thermal conductivities of fiber suspensions for three different fiber types are calculated. The predictions compare well with existing experimental and analytical data. fibres heat transfer heating hot pressing lattice Boltzmann methods paper making suspensions...

...Brian K. Ryglowski; Randall D. Pollak; Young W. Kwon Carbon nanotube (CNT) suspensions have shown promise as a heat transfer nanofluid due to their relatively high thermal conductivity and ability to remain in stable suspension for long durations. To assess their potential as a phase change...

...M. McGarry; C. Bonilla; I. Metzger A validated computational model was created to simulate the heat transfer from a heated surface using liquid metals and alloys during conjugate heat transfer. This model explores the effect of the Rayleigh number, Prandtl number, thermal conductivity ratio...

...Erik Bardy; Joseph Mollendorf The purpose of this paper is to present a correlation for predicting the thermal conductivity of foam neoprene at varying ambient pressure. In a previous study, the authors used well-known upper and lower bounds to develop the form of a semi-empirical correlation...

..., the model was explored to study the effects of several skirt-related parameters. These include the vertical position of the skirt, the width of the gap between the skirt and the cookpot, and the thermal conductivity of the skirt (insulating versus conducting material). The computational predictions suggest...

... transfer rate, the mass-specific heat transfer rate, and the total coefficient of performance ( C O P T ) , are used to compare the thermal performance of polymer composites having a range of thermal conductivities with that of corrosion-resistant metals. For operating conditions considered typical...

...H. R. Salimi Jazi; J. Mostaghimi; S. Chandra; L. Pershin; T. Coyle Open pore metal foams make efficient heat exchanger because of their high thermal conductivity and low permeability. This study describes a novel method of using wire-arc spraying to deposit Inconel 625 skins on the surface...

...Jessica Townsend; Rebecca J. Christianson In the search for new, more effective coolant fluids, nanoparticle suspensions have shown promise due to their enhanced thermal conductivity. However, there is a concomitant increase in the viscosity, requiring an increase in pumping power to achieve...

... are then compared with those from the conventional modeling techniques. It is demonstrated that there is considerable difference in the location of the hot spots and temperature values between two different methods. Nonhomogenous thermal conductivity map and temperature distributions were presented for a PCB...

... on potential energy savings is investigated. This study focuses on investigating potential energy savings by replacing inner one-third of existing bricks with higher thermal capacity ( C p ) and/or higher thermal-conductivity ( k ) bricks. This paper investigates the postulation: the bricks with higher thermal...