..., as found in many porous media, has been limited. Design/methodology/approach The numerical evaluation of the effect of the radiation-conduction parameter and extinction coefficient on temperature and incident radiation distributions demonstrates that the proposed LBM algorithm provides highly accurate...

...Christopher DeGroot Purpose This paper aims to investigate the convergence and error properties of a finite volume-based heat conduction code that uses automatic differentiation to evaluate derivatives of solutions outputs with respect to arbitrary solution input(s). A problem involving conduction...

... in diameter and are held by only a small contact area around the perimeter of the sample in a holder. With an experiment set up in this way, the effects of conduction between the sample and the holder are normally ignored. Findings This research examines the effects of the holder and the contact...

... at the base, arc length and arc width relative to those of the plain fin. Heat transfer Conduction Augmentation Fin Finite difference Wave q_f fin heat transfer rate per unit volume (W m−3) (Equation 7) fin heat transfer rate (W...

...Jin Wang; Chunwei Gu; Bengt Ake Sunden Purpose – The purpose of this paper is to analyze the effect of thermal conductivity on gas turbine blades, and to investigate the contribution of different rib configurations to the heat flux and the film cooling effectiveness. Design/methodology...

... β_j=a gene σ=standard deviation of the temperature measurements Heat transfer Conduction Alloys Inverse heat conduction problem Parameter estimation Particle swarm optimization Interfacial heat transfer coefficients Data filtering C_P...

.... Approximate fine analytical solutions for various augmentation indicators are derived. Excellent agreement is obtained between the numerical and the analytical results. A parametric study including all of the involved dimensionless parameters is conducted and presented graphically. Accurate correlations...

.... Findings The results indicate that the stronger convection effects are shown for the cases with high Raleigh number or high Darcy's number. However, when either Raleigh number or Darcy's number is reduced to below a certain order of magnitude, the solidification becomes conduction‐controlled...

... cases are studied and comparisons are made to existing analytical solutions. The CE/SE method is found to be accurate and robust for the numerical modeling of phase change problems. The enthalpy method is used for modeling heat conduction with phase change phenomenon. This method gives the solid...

...J. Lim; C.L. Chan; A. Chandra A boundary element method (BEM) formulation for the solution of transient conduction‐convection problems is developed in this paper. A time‐dependent fundamental solution for moving heat source problems is utilized for this purpose. This reduces the governing parabolic...