The Experiment of Heat Transfer in Material Block Made from Agricultural Waste Integrated by Cement

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Punsak Pakdee
Tithinun Rattanaplome


The objective of this research is to observe the quality of heat transfer from various agricultural waste integrated with cement as bonding material. The weight ratio of the mixture between cement and agricultural waste used is 1:0.15. This weight ratio can create the best quality of examined block in the dimension of 60 cm. x 60 cm. with the thickness of 2 cm. This experiment is tested under non-air conditioned condition. Then the thermal conductivity (K-Value) under the controlled indoor-temperature is investigated. The results show that all examined materials have heat-capacity quality with short time lag, because of the thinness of the examined blocks. Also materials that have longer periods of time lag are considered a good thermal insulator. The results of this study show the best to worst examined materials ranking in quality of reducing heat in the non-air conditioner condition as 1) integration of concrete and pulp from vetiver grass 2) integration of concrete and bamboo waste 3) integration of concrete and paper pulp 4) integration of concrete and rice husk ash 5) integration of concrete and rice husk 6) integration of concrete and coffee endocarp. The results of this research should be tested and developed in order to further apply to create building materials that are used with and without air-conditioner condition


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