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Non-Fourier phonon heat conduction at the microscale and nanoscale

Nature Reviews Physics, 2021
The description of phonon heat conduction has typically been based on Fourier diffusion theory. However, over the past three decades, a host of interesting phonon transport phenomena beyond the Fourier diffusion picture have drawn much attention. Although most of the studies focused on classical size effects that lead to reduced thermal conductivity ...
Gang Chen
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Non-Fourier heat conduction in IC chip

[1992 Proceedings] Intersociety Conference on Thermal Phenomena in Electronic Systems, 1995
Instead of the classic Fourier equation based on diffusion, a hyperbolic equation based on a wave model has been used to predict the rapid transient heat conduction in IC chips. The peak temperature, spatial difference, and time variation of temperature, which are critical to thermal reliability of the chip, are given and compared with that obtained ...
Zeng-Yuan Guo, Yun-Sheng Xu
openaire   +1 more source

Non-Fourier heat conductions in nanomaterials

Journal of Applied Physics, 2011
We study the non-Fourier heat conductions in nanomaterials based on the thermomass theory. For the transient heat conduction in a one-dimensional nanomaterial with a low-temperature step at both ends, the temperature response predicted by the present model is consistent with those by the existing theoretical models for small temperature steps. However,
Moran Wang, Nuo Yang, Zeng-Yuan Guo
openaire   +1 more source

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