Macroscopic heat transport equations and heat waves in nonequilibrium states

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• 作者：Yangyu Guo^a ; ^{yangyuhguo@gmail.com} ; David Jou^b ; ^{david.jou@uab.es} ; Moran Wang^a ; ^{mrwang@tsinghua.edu.cn}
• 关键词：Heat waves ; Nanoscale heat transport ; Nonequilibrium steady states ; Perturbation method
• 刊名：Physica D: Nonlinear Phenomena
• 出版年：2017
• 出版时间：1 March 2017
• 年：2017
• 卷：342
• 期：Complete
• 页码：24-31
• 全文大小：479 K
• 卷排序：342

文摘

A generalized heat transport equation including nonlinear, nonlocal and relaxation terms is proposed. Heat wave propagations are investigated systematically in nonequilibrium steady states. The phase (or front) speed of heat waves is intimately related to the nonlinear and nonlocal terms.