Thermal Diffusivity Measurement of the Commercial Papers Using Photoacoustic Technique
We have carried out photo acoustic measurements of thermal diffusivity on samples of commercial papers. It is based upon the measurement of the photoacoustic signal as a function of the modulation frequency in the region where the sample thickness, t" was equal to the thermal diffusion length...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English English |
| Published: |
Universiti Putra Malaysia Press
2002
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| Online Access: | http://psasir.upm.edu.my/id/eprint/3808/1/Thermal_Diffusivity_Measurement_of_the_Commercial_Papers.pdf http://psasir.upm.edu.my/id/eprint/3808/ |
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| Summary: | We have carried out photo acoustic measurements of thermal diffusivity on samples of commercial papers. It is based upon the measurement of the
photoacoustic signal as a function of the modulation frequency in the region
where the sample thickness, t" was equal to the thermal diffusion length, If The value of the thermal diffusivities for the commercial papers was found to
be adequate to their end users. It is also proven that the photoacoustic technique can be a valuable tool for comparing and controlling the properties
of papers and for evaluating the effects of processing parameters upon these properties industrially or on the laboratory scale. |
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