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Article Information:
Changes in Temperature in a Material Kapok-plaster Sample in Dynamic
Makinta Boukar, Mamadou Babacar Ndiaye, Alassane Diene, Paul Demba, Issa Diagne, Mohamed Sidya Ould Brahim and Grégoire Sissoko
Corresponding Author: Makinta Boukar
Submitted: August 01, 2014
Accepted: October 22, 2014
Published: November 25, 2014 |
Abstract:
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We propose in this study, changes in temperature in a kapok-plaster material, depending on the depth, in dynamic frequential regime. The temperature changes are studied for different values of the temperature exciter frequency and the coefficient of convective heat exchange at the front face of the sample. The studies have helped to assess the length of the effective heat insulating layer and to demonstrate the dependence of the quantity of heat exchanged in the material relative to the exciter frequency. The curves show the existence of a frequency below which there is reversal of the effect of the frequency and they show also the existence of a limit value for the temperature when the exchange coefficient on the front face of the sample exceeds the value of 100 W/m2/°C.
Key words: Coefficient of convective heat exchange, dynamic frequential regime, exciter frequency, temperature , , ,
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Cite this Reference:
Makinta Boukar, Mamadou Babacar Ndiaye, Alassane Diene, Paul Demba, Issa Diagne, Mohamed Sidya Ould Brahim and Grégoire Sissoko, . Changes in Temperature in a Material Kapok-plaster Sample in Dynamic . Research Journal of Applied Sciences, Engineering and Technology, (20): 2135-2140.
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ISSN (Online): 2040-7467
ISSN (Print): 2040-7459 |
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