基于热质与热质势的概念,研究了稳态条件下的导热规律.结果表明:热量在输运过程中受到来自热质势场的驱动力以及来自介质的阻力,当两者平衡时,热量的输运规律满足傅立叶导热定律;当惯性力不能被忽略从而两者不平衡时,热量将被加速,热流密度和温度梯度之间的线性关系不再成立,表现出明显的非傅立叶效应.用数值模拟定量地研究了非傅立叶效应对稳态导热过程的影响.
参考文献
[1] | 过增元.国际传热研究前沿--微细尺度传热[J].力学进展,2000(01):1-6. |
[2] | 张浙;刘登瀛 .非傅立叶热传导研究进展[J].力学进展,2000,30(03):446-456. |
[3] | Fourier J.The Analytical Theory of Heat[M].New York:Dove Publications,Inc,1955 |
[4] | Peshkov V .Second Sound in Helium II[J].Journal of Physics,1944,8:381-386. |
[5] | Joseph D;Presiosi L;Heat Waves .[J].Rew.Mod.Phys,1989,61(01):41-73. |
[6] | Larsen B C;Tischler J Z;Mills D M .Nanosecond Resolution Time-Resolved X-Ray Study of Silicon During Pulsed-Laser Irradiation[J].Journal of Materials Research,1986,1(01):144-154. |
[7] | Qiu T;Juhasz T;Suarez C et al.Femtosecond Laser Heating of Muti-Layer Metals-II[J].Experiments Int.J.Heat Mass Transfer,1994,37(17):2799-2808. |
[8] | Sobolev S L .Space-Time Nonlocal Model for Heat Conduction[J].Physical Review E,1994,50(04):3255-3258. |
[9] | Nernst W.The New Heat Theorem:Its Foundations in Theory and Experiment[M].London:Methuen and Co.Ltd,1926 |
[10] | Onsager L .Reciprocal Relations in Irreversible Processes[J].Physical Review,1931,37:405-426. |
[11] | 过增元.热质的运动与传递--热质和热子气[J].工程热物理学报,2006(04):631-634. |
[12] | Guo Z Y;Liang X G;Cao B Y.Conservation Equation of Phonon Gas and The Fourier'S Conduction Law[A].Sydney,NSW,Australia,2006 |
[13] | 曹炳阳,张清光,过增元.热质的运动与传递-微尺度导热中的热质动能效应[J].工程热物理学报,2006(02):274-276. |
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