Analysis of the Thermal Insulation Properties of Rice Husk Ceiling Board Compared to Selected Fibre Based Ceiling Materials Used in Yola Metropolis, Adamawa State Nigeria
American Journal of Mechanical and Materials Engineering
Volume 1, Issue 4, December 2017, Pages: 83-88
Received: Nov. 25, 2017; Accepted: Dec. 9, 2017; Published: Jan. 10, 2018
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Gowon Kerter Eric, Department of Technology Education, Modibbo Adama University of Technology, Yola, Nigeria
Bulama Kallamu Hensley, Department of Technology Education, Modibbo Adama University of Technology, Yola, Nigeria
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The thermal conductivity of a material therefore represents the quantity of heat that passes through a meter thickness per square per second with one degree difference in temperature between the faces. Thermal conductivity is regarded as the most important characteristic of a thermal insulation since it affects directly the resistance to transmission of heat that a material offers. The lower the thermal conductivity value, the lower the overall heat transfer in a building material. Hence the study selected three materials namely: Plaster of Paris (P.o.P), Plywood and Isorel (Masonite) used as ceiling boards in Yola, Nigeria and compared to rice husk ceiling board. The selection of these ceiling materials is due to their predominant usage as ceiling materials in the harsh Yola metropolis. The objective of this study is to investigate the thermal insulation properties of rice husk ceiling boards compared to other conventional fibre related ceiling board used in Yola Metropolis in Adamawa State, Nigeria. To achieve this, the steady-state method using Lee-Charton’s apparatus was adopted to analyze the thermal conductivities of the chosen materials. The results obtained showed that, P.o.P exhibits the best insulation property followed by rice husk ceiling board, plywood then Isorel ceiling board with thermal conductivities of 0.12W/mK, 0.48W/mK, 0.82W/mK and 1.08W/mK respectively. Their corresponding thermal resistivities are 6.44mK/W, 4.65mK/W, 2.98mK/W and 1.92mK/W. From the results obtained, it is concluded that P.o.P is the best insulation property followed by rice husk ceiling board among the materials used in the study area. The study therefore provides a guide to intending builders and civil Engineers on the selection of building heat insulation ceiling materials in Yola metropolis as well as other harsh weather zones of tropical Africa.
Rice Husk, Thermal Insulation, P.o.P, Plywood, Isorel (Masonite), Lee-Charlton’s Method
To cite this article
Gowon Kerter Eric, Bulama Kallamu Hensley, Analysis of the Thermal Insulation Properties of Rice Husk Ceiling Board Compared to Selected Fibre Based Ceiling Materials Used in Yola Metropolis, Adamawa State Nigeria, American Journal of Mechanical and Materials Engineering. Vol. 1, No. 4, 2017, pp. 83-88. doi: 10.11648/j.ajmme.20170104.11
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