Thermal Conductivity of biomass based insulation
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Date
2024
Authors
Trixia L. Cristobal and Reizza Joy V. Latina
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Abstract
This study aimed to the analyze thermal of coconut husk, sugarcane, bagasse and rice straw boards considering their effectiveness. The need for ecologically sustainable and energy-efficient building solutions in on the rise globally. Because biomass is abundant, and a renewable insulation materials based on biomass wastes. Because biomass is abundant and a renewable resource, it offers a viable option as material for sustainable insulation.
The study was conducted at College of Engineering Workshop, Central Luzon State University, Science City of Muñoz, Nueva Ecija. Thermal insulation board was produced by formulating and mixing selected raw materials such as sugarcane bagasse, rice straw, and coconut husk, molding caring and shaping processes. Additive were introduced for enhanced properties and comprehensive characterization, including thermal conductivity and thermal diffusivity, was conducted, and the boards underwent testing in laboratory set-up.
The measured thermal conductivities were 2.39W/m K for sugarcane bagasse, 2.99 W/m K for rice straw and 2.79 W/m K for coconut husk. Statistical analysis showed no significant difference among the thermal conductivities. The low value at thermal conductivity suggests the potential application of the produced board as thermal insulators. The measured thermal diffusivities were 6.71762x10-8 m2/s for sugarcane bagasse, 6.709233333x10-8 m2/s for rice straw and 6.699016667x10-8 m2/s for coconut husk revealed show diffusion of heat across the material. The cost of producing one unit of this board measuring 1.25 cm x 30 cm x 30 cm amounts to Php 14.29/pc.