"Resonance" phenomena in thermal diffusion processes in two-layer structures

Yu G. Gurevich; G. N. Logvinov; N. Muñoz Aguirre; L. Martínez Pérez

doi:10.1063/1.1468899

"Resonance" phenomena in thermal diffusion processes in two-layer structures

Yu G. Gurevich, G. N. Logvinov, N. Muñoz Aguirre, L. Martínez Pérez

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

The dependence on the chopper frequency of the effective thermal diffusivity and effective thermal conductivity in photoacoustic experiments is discussed. The theoretical model of a two-layer structure at rear-surface illumination in the high frequency limit is considered. It is shown that the effective thermal diffusivity presents "resonance" while the effective thermal conductivity sharply changes its magnitude and sign. Such "resonant" behavior strongly depends on the surface thermal conductivities associated with the interface thermal contacts.

Original language	English
Pages (from-to)	2898-2900
Number of pages	3
Journal	Applied Physics Letters
Volume	80
Issue number	16
DOIs	https://doi.org/10.1063/1.1468899
State	Published - 22 Apr 2002
Externally published	Yes

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10.1063/1.1468899

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abstract = "The dependence on the chopper frequency of the effective thermal diffusivity and effective thermal conductivity in photoacoustic experiments is discussed. The theoretical model of a two-layer structure at rear-surface illumination in the high frequency limit is considered. It is shown that the effective thermal diffusivity presents {"}resonance{"} while the effective thermal conductivity sharply changes its magnitude and sign. Such {"}resonant{"} behavior strongly depends on the surface thermal conductivities associated with the interface thermal contacts.",

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AU - Gurevich, Yu G.

AU - Logvinov, G. N.

AU - Aguirre, N. Muñoz

AU - Pérez, L. Martínez

PY - 2002/4/22

Y1 - 2002/4/22

N2 - The dependence on the chopper frequency of the effective thermal diffusivity and effective thermal conductivity in photoacoustic experiments is discussed. The theoretical model of a two-layer structure at rear-surface illumination in the high frequency limit is considered. It is shown that the effective thermal diffusivity presents "resonance" while the effective thermal conductivity sharply changes its magnitude and sign. Such "resonant" behavior strongly depends on the surface thermal conductivities associated with the interface thermal contacts.

AB - The dependence on the chopper frequency of the effective thermal diffusivity and effective thermal conductivity in photoacoustic experiments is discussed. The theoretical model of a two-layer structure at rear-surface illumination in the high frequency limit is considered. It is shown that the effective thermal diffusivity presents "resonance" while the effective thermal conductivity sharply changes its magnitude and sign. Such "resonant" behavior strongly depends on the surface thermal conductivities associated with the interface thermal contacts.

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DO - 10.1063/1.1468899

M3 - Artículo

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VL - 80

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JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 16

ER -

"Resonance" phenomena in thermal diffusion processes in two-layer structures

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