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MICROSCALE NONEQUILIBRIUM HEAT TRANSFER IN TECHNOLOGIES USING INTENSIVE HEAT SOURCES

DOI: 10.1615/ICHMT.2000.TherSieProcVol2TherSieProcVol1.140
pages 113-118

Milan Honner
Mechanical Engineering Research SKODA VYZKUM s.r.o., Tylova 57, Plzen,CZ-316 00, Czech Republic

Josef Kunes
Department of Physics, University of West Bohemia, Univerzitni 22, Plzen, CZ - 306 14, Czech Republic

Abstract

Microscale nonequilibrium heat conduction appears in all states of matter including solids, liquids, gases and plasmas where heat is carried by phonons, atoms, molecules, electrons or photons. A unified model of diffusion, wave and parallel conduction is introduced. Internal parameters and conditions of unambiguity describing the nonequilibrium are discussed from the physical point of view. Nonequilibrium heat transfer applications in technologies of microscale heating of materials by energetical photons, electrons and ions are presented.

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