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1. Numerical simulation of radiative heat transfer in cylindrical enclosure | |||
YAN Lei,YU Zhongyuan,LI Ming,LU Pengfei,LONG Junjie | |||
Physics 11 December 2013 | |||
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Abstract:This paper shows how finite volume method (FVM) can be implemented to investigate radiative heat transfer in a cylindrical enclosure containing absorbing, emitting, scattering medium. With the use of directional weight and step scheme, the governing radiative transfer equation (RTE) is finally transformed into discretized equation, which is a spatial two-dimensional form. Application of the present method to axisymmetric benchmark problems indicates that the present method is accurate, computationally efficient and applicable for the analysis of radiative heat transfer. | |||
TO cite this article:YAN Lei,YU Zhongyuan,LI Ming, et al. Numerical simulation of radiative heat transfer in cylindrical enclosure[OL].[11 December 2013] http://en.paper.edu.cn/en_releasepaper/content/4574401 |
2. Positive fractional derivative equation modeling of non-Fourier heat conduction | |||
SUN Yifei | |||
Physics 20 October 2009 | |||
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Abstract:This letter makes the first attempt to develop differential equation model of non-Fourier heat conductions by using positive time-fractional derivative. Numerical comparison with the corresponding fractional derivative model shows that when the fractional derivative order 冄僴僴approaches to 2 the two models behave somewhat differently, in contrast, when 冄僴 approaches to zero their behaviors observe very similar. It is worth to point out that our new model decays more slowly than the conventional fractional derivative one. Thus, the positive fractional derivative model can better reflect non-Fourier heat conduction process characterizing strong memory and slow diffusion. | |||
TO cite this article:SUN Yifei. Positive fractional derivative equation modeling of non-Fourier heat conduction[OL].[20 October 2009] http://en.paper.edu.cn/en_releasepaper/content/35929 |
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