...Z. Annasabi; F. Erchiqui; M. Souli This paper concerns the joint application of the B-spline method and the Kirchhoff transformation to solve the nonlinear problem of thermal conduction with radiation type boundary conditions. The proposed method requires few iterations, sometimes none, for solids...

...C. Y. Wang The basic problem of steady-state heat conduction in a ring with internal heat generation and convective boundary conditions is considered. An exact solution is found for the ring with a rectangular cross section and an efficient Ritz method is presented for general cross sections...

...Hao Wu; Nan Gui; Xingtuan Yang; Jiyuan Tu; Shengyao Jiang Radiative and conductive heat transfer is fairly important in the nuclear pebble bed. A continuum model is proposed here to derive the effective thermal conductivity (ETC) of pebble bed. It is a physics-based equation determined...

...Sajad Yazdani; Hyun-Young Kim; Michael Thompson Pettes A device for measuring a plurality of material properties is designed to include accurate sensors configured to consecutively obtain thermal conductivity, electrical conductivity, and Seebeck coefficient of a single sample while maintaining...

... in the 4 μ m aluminum layer from 613 °C to 301 °C. Introducing realistic anisotropy and inhomogeneity in the thermal conductivity (TC) of the CVD diamond has no significant effect on heat transfer if the aluminum film is on the CVD diamond growth face (with the highest TC). However, if the aluminum layer...

... received July 16, 2018; published online August 28, 2018. Assoc. Editor: Ali Khounsary. 04 11 2017 16 07 2018 Conduction Heat and mass transfer In metallurgical industry, continuous casting technology has been universally applied for the production of steel slabs. One...

... established models for closed-cell polymer foams, the extinction coefficient and the effective thermal conductivity are obtained. The effect of opacifiers is modeled using (1) an effective refractive index for the polystyrene walls within a cell model for the EPS and (2) a superposition of extinction due...

... June 29, 2018. Assoc. Editor: Alan McGaughey. 27 02 2017 17 02 2018 Conduction There are many situations in which knowledge of the sensitivities of a finite element model response with respect to some design variables is advantageous. Parameter studies, gradient-based...

...Fatma Habbachi; Fakhreddine S. Oueslati; Rachid Bennacer; Afif Elcafsi This paper is a numerical study conducted to investigate the conjugate flow and heat transfer occurring in three-dimensional (3D) natural convection. A cubical enclosure partially filled with porous block (central cubic...

... in the SLM process. Table 1 Averaged material properties of bulk aluminum alloy 6061 Material properties Average value Sintering temperature, T s 873 K Melting temperature, T m 915 K Boiling temperature, T b 2790 K Density, ρ b 2569 kg/ m 3 Heat conductivity...

...  =  π /6, π /3, and π /2, respectively. At ϕ  = 0.01, the dimensionless spreading resistance is 1.40, 2.19, and 7.34 times that for a flat surface when α  =  π /6, π /3, and π /2, respectively. Conduction The phenomena of spreading (constriction) and contact resistance are illustrated...

... or the dissipated power fails to capture the true physics underlying the change in thermal resistance, namely, the nonlinear decrease in thermal conductivity of the material with increasing temperature. The results may prove accurate over small temperature changes, but deviations from actual behavior should...

... a class of many-particle thermal diodes: the diodes allow heat conduction from one direction with invisibility, but prohibit the heat conduction from the inverse direction with visibility. This work reveals a different mechanism for thermal camouflage and thermal rectification by using composites...

... Conduction Micro heat transfer Thermophysical properties Nanoscale heat transfer Lately, graphene has received a great attention due to its peculiar mechanical and electrical features [ 1 ]. Graphene is a single layer of carbon atoms in a honeycomb structure and its interesting electronic...

... optimization. 23 01 2018 20 04 2018 Conduction Electronic cooling Forced convection Heat and mass transfer In electronic devices such as computer processors and integrated circuits, the heating density is often large and is restricting the maximum computational power. Typically...

... 2017 18 04 2018 Conduction Experimental techniques Thermodynamics invisible cloaks have aroused great research interests in the community since the pioneering propose of the transformation thermodynamics [ 1 ]. Up to date, thermal cloak is typically generated from two main...

... and Momentum Transfer , Prentice Hall , Englewood Cliffs, NJ . [4] Arpaci , V. , 1966 , Conduction Heat Transfer , Addison-Wesley , Reading, MA . [5] Yener , Y. , and Kakac , S. , 2008 , Heat Conduction , 4th ed. , Taylor & Fancis , London . [6] Carslaw , H. S...

...Christopher F. Cirenza; Thomas E. Diller; Christopher B. Williams A two-year study was conducted to engage undergraduate mechanical engineering students to approach heat transfer education in an active, hands-on manner and excite them to pursue research and graduate studies in the field. Physical...

...X. F. Hu; W. A. Yao; S. T. Yang Modeling of steady-state thermal conduction for crack and v-notch in anisotropic material remains challenging. Conventional numerical methods could bring significant error and the analytical solution should be used to improve the accuracy. In this study, crack and v...

... 08 2017 02 04 2018 Computational fluid dynamics Conduction Energy systems Heat and mass transfer MHD MHD Radiative heat transfer Nanofluid is the combination of simple fluid with nanometer sized (1–100 nm) particles. These fluids are arranged by fixative parallax...