Effective thermal conductivity and thermal diffusivity of two layer samples in photoacoustic expermients
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| Format: | Artículo científico |
| Language: | en |
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Sociedad Mexicana de Ciencia y Tecnología de Superficies y Materiales A.C.
2000
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| _version_ | 1876463699434143744 |
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| author | G. González de la Cruz |
| author_facet | G. González de la Cruz |
| contents | Effective thermal conductivity and thermal diffusivity of two layer samples in photoacoustic expermients G. González de la Cruz G. N. Logvinov N. Muñoz Aguirre Yu. G. Gurevich Física, Astronomía y Matemáticas The effective thermal conductivity and thermal diffusivity are determined in one-dimensional bounded two-layer sample within themodel of photoacoustic experiments. A new approach for calculating these thermal parameters is suggested. It is shown that effectiveparameters depend not only on the physical properties of separate layers ,but on the manner of measuring these parameters and thepoints of measurements. Therefore, there exist several values of effective thermal conductivity and thermal diffusivity. The cases oflow and high modulation frequencies are examined. The thermal property of interface is taken into account.Keywords: Diffusivity, Photoacoustic, Photothermal, Isothermality, Superlattices 2000 artículo científico 1665-3521 https://www.redalyc.org/articulo.oa?id=94201011 en http://www.redalyc.org/revista.oa?id=942 Superficies y vacío application/pdf Sociedad Mexicana de Ciencia y Tecnología de Superficies y Materiales A.C. Superficies y vacío (México) Num.10 |
| format | Artículo científico |
| id | redalyc_94201011 |
| institution | Redalyc |
| language | en |
| publishDate | 2000 |
| publisher | Sociedad Mexicana de Ciencia y Tecnología de Superficies y Materiales A.C. |
| spellingShingle | Effective thermal conductivity and thermal diffusivity of two layer samples in photoacoustic expermients G. González de la Cruz Física, Astronomía y Matemáticas Effective thermal conductivity and thermal diffusivity of two layer samples in photoacoustic expermients G. González de la Cruz G. N. Logvinov N. Muñoz Aguirre Yu. G. Gurevich Física, Astronomía y Matemáticas The effective thermal conductivity and thermal diffusivity are determined in one-dimensional bounded two-layer sample within themodel of photoacoustic experiments. A new approach for calculating these thermal parameters is suggested. It is shown that effectiveparameters depend not only on the physical properties of separate layers ,but on the manner of measuring these parameters and thepoints of measurements. Therefore, there exist several values of effective thermal conductivity and thermal diffusivity. The cases oflow and high modulation frequencies are examined. The thermal property of interface is taken into account.Keywords: Diffusivity, Photoacoustic, Photothermal, Isothermality, Superlattices 2000 artículo científico 1665-3521 https://www.redalyc.org/articulo.oa?id=94201011 en http://www.redalyc.org/revista.oa?id=942 Superficies y vacío application/pdf Sociedad Mexicana de Ciencia y Tecnología de Superficies y Materiales A.C. Superficies y vacío (México) Num.10 |
| title | Effective thermal conductivity and thermal diffusivity of two layer samples in photoacoustic expermients |
| topic | Física, Astronomía y Matemáticas |
| url | https://www.redalyc.org/articulo.oa?id=94201011 |