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01-Applied Mathematics & Information Sciences
An International Journal


Volumes > Volume 5 > No. 5-2S


Modified Particle Swarm Algorithm for Radiation Properties of Semi-transparent Rectangular Material

PP: 227S-233S
Yanming Wang, Deming Wang, X iaoxing Zhong, Guoqing Shi,
A modified particle swarm optimization algorithm with a stochastic selection is adopted to estimate the radiation property parameters in a twodimensional absorbing, emitting, and scattering gray material. The radiative heat transfer in the semitransparent rectangular material is solved by discrete ordinate method. The objective function for the inverse radiation problem is established, and the simulated results of radiation intensities on the materialís boundaries are served as inputs. The performance of this algorithm and the effect of measurement errors on the accuracy of estimation are examined. The comparison results show that the proposed algorithm can guarantee the convergence of the global optimization solution, all the radiation properties could be estimated accurately even with noisy data. The algorithm is proved to be fast, robust and useful for researching the radiation properties of the semitransparent material such as crystals in the thermal processing.

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