Non-Fourier heat conduction study for steady states in metallic nanofilms

Haidong Wang, Jin Hui Liu, Zeng Yuan Guo, Koji Takahashi

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

As a fundamental theory of heat transfer, Fourier's law is valid for most traditional conditions. Research interest in non-Fourier heat conditions is mainly focused on heat wave phenomena in non-steady states. Recently, the thermomass theory posited that, for steady states, non-Fourier heat conduction behavior could also be observed under ultra-high heat flux conditions at low ambient temperatures. Significantly, this is due to thermomass inertia. We report on heat conduction in metallic nanofilms from large currents at low temperatures; heat fluxes of more than 1×1010 W m-2 were used. The measured average temperature of the nanofilm is larger than that based on Fourier's law, with temperature differences increasing as heat flux increased and ambient temperature decreased. Experimental results for different film samples at different ambient temperatures reveal that non-Fourier behavior exists in metallic nanofilms in agreement with predictions from thermomass theory.

Original languageEnglish
Pages (from-to)3239-3243
Number of pages5
JournalChinese Science Bulletin
Volume57
Issue number24
DOIs
Publication statusPublished - Aug 1 2012

Fingerprint

conductive heat transfer
Fourier law
ambient temperature
heat flux
heat
inertia
temperature gradients
heat transfer
temperature
predictions

All Science Journal Classification (ASJC) codes

  • General

Cite this

Non-Fourier heat conduction study for steady states in metallic nanofilms. / Wang, Haidong; Liu, Jin Hui; Guo, Zeng Yuan; Takahashi, Koji.

In: Chinese Science Bulletin, Vol. 57, No. 24, 01.08.2012, p. 3239-3243.

Research output: Contribution to journalArticle

Wang, Haidong ; Liu, Jin Hui ; Guo, Zeng Yuan ; Takahashi, Koji. / Non-Fourier heat conduction study for steady states in metallic nanofilms. In: Chinese Science Bulletin. 2012 ; Vol. 57, No. 24. pp. 3239-3243.
@article{c42fc0969b8c4977811c2507255860c3,
title = "Non-Fourier heat conduction study for steady states in metallic nanofilms",
abstract = "As a fundamental theory of heat transfer, Fourier's law is valid for most traditional conditions. Research interest in non-Fourier heat conditions is mainly focused on heat wave phenomena in non-steady states. Recently, the thermomass theory posited that, for steady states, non-Fourier heat conduction behavior could also be observed under ultra-high heat flux conditions at low ambient temperatures. Significantly, this is due to thermomass inertia. We report on heat conduction in metallic nanofilms from large currents at low temperatures; heat fluxes of more than 1×1010 W m-2 were used. The measured average temperature of the nanofilm is larger than that based on Fourier's law, with temperature differences increasing as heat flux increased and ambient temperature decreased. Experimental results for different film samples at different ambient temperatures reveal that non-Fourier behavior exists in metallic nanofilms in agreement with predictions from thermomass theory.",
author = "Haidong Wang and Liu, {Jin Hui} and Guo, {Zeng Yuan} and Koji Takahashi",
year = "2012",
month = "8",
day = "1",
doi = "10.1007/s11434-012-5288-7",
language = "English",
volume = "57",
pages = "3239--3243",
journal = "Science Bulletin",
issn = "2095-9273",
publisher = "Springer Science + Business Media",
number = "24",

}

TY - JOUR

T1 - Non-Fourier heat conduction study for steady states in metallic nanofilms

AU - Wang, Haidong

AU - Liu, Jin Hui

AU - Guo, Zeng Yuan

AU - Takahashi, Koji

PY - 2012/8/1

Y1 - 2012/8/1

N2 - As a fundamental theory of heat transfer, Fourier's law is valid for most traditional conditions. Research interest in non-Fourier heat conditions is mainly focused on heat wave phenomena in non-steady states. Recently, the thermomass theory posited that, for steady states, non-Fourier heat conduction behavior could also be observed under ultra-high heat flux conditions at low ambient temperatures. Significantly, this is due to thermomass inertia. We report on heat conduction in metallic nanofilms from large currents at low temperatures; heat fluxes of more than 1×1010 W m-2 were used. The measured average temperature of the nanofilm is larger than that based on Fourier's law, with temperature differences increasing as heat flux increased and ambient temperature decreased. Experimental results for different film samples at different ambient temperatures reveal that non-Fourier behavior exists in metallic nanofilms in agreement with predictions from thermomass theory.

AB - As a fundamental theory of heat transfer, Fourier's law is valid for most traditional conditions. Research interest in non-Fourier heat conditions is mainly focused on heat wave phenomena in non-steady states. Recently, the thermomass theory posited that, for steady states, non-Fourier heat conduction behavior could also be observed under ultra-high heat flux conditions at low ambient temperatures. Significantly, this is due to thermomass inertia. We report on heat conduction in metallic nanofilms from large currents at low temperatures; heat fluxes of more than 1×1010 W m-2 were used. The measured average temperature of the nanofilm is larger than that based on Fourier's law, with temperature differences increasing as heat flux increased and ambient temperature decreased. Experimental results for different film samples at different ambient temperatures reveal that non-Fourier behavior exists in metallic nanofilms in agreement with predictions from thermomass theory.

UR - http://www.scopus.com/inward/record.url?scp=84865824378&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84865824378&partnerID=8YFLogxK

U2 - 10.1007/s11434-012-5288-7

DO - 10.1007/s11434-012-5288-7

M3 - Article

AN - SCOPUS:84865824378

VL - 57

SP - 3239

EP - 3243

JO - Science Bulletin

JF - Science Bulletin

SN - 2095-9273

IS - 24

ER -