Theoretical and Experimental Studies on Non-Fourier Heat Conduction Based on Thermomass Theory

Theoretical and Experimental Studies on Non-Fourier Heat Conduction Based on Thermomass Theory

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This book mainly focuses on the theoretical and experimental study of non-Fourier heat conduction behavior. A novel thermomass theory is used as the theoretical basis, which provides a general heat conduction equation for the accurate prediction of non-Fourier heat conduction. In order to prove the validity of this thermomass theory, a large current was used to heat the metallic nanofilm at the minimum temperature of 3 K. The measured average temperature of the nanofilm was notably higher than the prediction of Fouriera€™s heat diffusion equation, while matching well with the general heat conduction equation. This is the first time that steady non-Fourier heat conduction has been observed. Moreover, this book concerns the role of electron-phonon interaction in metallic nanofilms, which involves the breakdown of the Wiedemann-Franz law at low temperatures and interfacial thermal resistance at femtosecond timescales. Readers will find useful information on non-Fourier heat conduction and the latest advances in the study of charge and heat transport in metallic nanofilms.Table 1.1 (continued) Time/Researcher Method Purpose Main conclusions 1994/ Tien and TTR method Testing Au/Cr (1) The ... PTS model; (2) Prove the feasibility of using numerical simulations to analyze the ultra-fast heat conduction process 1994/Sun [43] TTR ... 1.1 Schematic diagram of the pump-probe system [ 45] Fig.


Title:Theoretical and Experimental Studies on Non-Fourier Heat Conduction Based on Thermomass Theory
Author: Hai-Dong Wang
Publisher:Springer Science & Business Media - 2014-02-07
ISBN-13:

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