... measurements. This study utilizes the solution to three-dimensional (3D) inverse heat conduction problem to estimate transient temperatures on the impingement side. Then, the temperature gradient is determined near the impingement wall (∼0.01 mm inside) with which transient heat flux is estimated...

... to be the mathematical model/forward model and numerically solved to obtain temperature distribution for the known boundary and initial conditions. Genetic algorithm (GA) and particle swarm optimization (PSO) are used as an inverse approach and the estimation of unknown parameters is accomplished for both pure and noisy...

... measurements. This Inverse Heat Conduction Problem (IHCP) is solved (in both procedures) by using the Function Specification Method. A numerical test was used in order to compare the best estimation achieved in each procedure. The influences of the time step size, the total number of measurements and the noise...

...Khalid Masood; F. D. Zaman We investigate the inverse problem in the heat equation involving the recovery of the initial temperature from measurements of the final temperature. This problem is extremely ill-posed and it is believed that only information in the first few modes can be recovered...

... form of the method is also presented. The regularization is necessary for solving problems where the over-specified boundary data contain errors. Several regularization approaches are shown. The inverse FEM method described is an extension of a method previously developed by the leading authors for two...

...Sun Kyoung Kim; Woo Il Lee A solution scheme based on the maximum entropy method (MEM) for the solution of two-dimensional inverse heat conduction problems is established. MEM finds the solution which maximizes the entropy functional under the given temperature measurements. The proposed method...

... for simplicity. First, the direct heat conduction problem is solved using the Network Simulation Method (NSM) and the collection of temperatures obtained at given instants is modified by introducing a random error. The resulting temperatures act as the input data for the inverse problem, which is also solved...

...A. Trombe; A. Suleiman; Y. Le Maoult The purpose of this study is to evaluate the efficiency of an inverse method to determine the variation of convective heat transfer coefficients in the unsteady state inside building enclosures. The experimental system is mainly composed of a vertical, heated...

...Masanori Monde; Hirofumi Arima; Yuhichi Mitsutake An analytical method has been developed for the inverse heat conduction problem using the Laplace transform technique when the temperatures are known at two positions within a finite body. On the basis of these known temperatures, a closed form...

...Chin-Hsiang Cheng; Mei-Hsia Chang The aim of this study is to investigate the performance of the inverse heat transfer method in application to the shape identification problem. The approach is constructed by combining the curvilinear grid generation scheme, the direct problem solver, the conjugate...

... components. An inverse methodology can determine the turbulent component of the heat transfer coefficient in the stagnation region and in the wall-jet region as a function of the root mean square value of the fluctuating component of velocity in the bulk flow direction. Contributed by the Heat Transfer...

... itself, and the heaters all have thermal capacity. The necessary power input distributions for the heaters during the heating process are sought to satisfy the design specifications. The problem is thus a transient inverse boundary condition estimation problem, where the geometry and the properties...

...Jiin-Hong Lin; Cha’o-Kuang Chen; Yue-Tzu Yang A two-dimensional inverse analysis utilizes a different perspective to simultaneously estimate the center and surface thermal behavior of a heated cylinder normal to a turbulent air stream. A finite-difference method is used to discretize the governing...

... aluminium convection foams flow through porous media friction flow visualisation Convection Heat Transfer Inverse Non-Equilibrium Porous Media Porous media have been widely used in industrial applications such as electronic cooling, thermal energy absorber, geothermal system and many...

..., this difficulty is circumvented by means of the Karhunen-Loe`ve Galerkin procedure that reduces the governing partial differential equation to a minimal set of ordinary differential equations. The performance of the present technique of inverse heat conduction problems is evaluated by several numerical...

...Francis H. R. Franc¸a; Ofodike A. Ezekoye; John R. Howell This work investigates inverse boundary design for radiation, convection and conduction combined-mode heat transfer. The problem consists of finding the heat flux distribution on a heater that satisfies both the temperature and the heat flux...

...Robert Throne; Lorraine Olson, Fellow ASME In the past we have developed the Generalized Eigensystem GES L techniques for solving inverse boundary value problems in steady heat conduction, and found that these vector expansion methods often give superior results to those obtained with standard...

... by the Heat Transfer Division April 12, 2000; revision received November 3, 2000. Associate Editor: H. Bau. 12 April 2000 03 November 2000 perturbation theory stochastic processes heat transfer Computational Heat Transfer Inverse Modeling Although most engineering...

... in the JOURNAL OF HEAT TRANSFER . Manuscript received by the Heat Transfer Division June 18, 1999; revision received, July 10, 2000. Associate Editor: A. Majumdar. 18 June 1999 10 July 2000 thermodynamic properties Conduction Heat Transfer Inverse Properties Thermophysical...

...J. R. Howell; O. A. Ezekoye; J. C. Morales Inverse solution techniques are applied to the design of heat transfer systems where radiation is important. Various solutions using inverse methods are demonstrated, and it is argued that inverse design techniques provide an alternative to conventional...