A Study on Heat-Transfer Characteristics by a Ground-Heating Method

Mincheol Park
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Mincheol Park: Department of Civil Engineering, Kumoh National Institute of Technology, Gumi, Gyeongbuk 39177, Korea

Sustainability, 2018, vol. 10, issue 2, 1-18

Abstract: The ground-heating method using the electric heating pipe improves many problems of the conventional soft-ground improvement method and the ground-heating method using fossil fuel. However, in order to use this method practically, it is necessary to experimentally verify the temperature change due to the discharge of water vapor, and also to compare the theoretical solution and numerical analysis for estimation of the temperature distribution. From the experimental result, the loss of heat energy due to the discharge of water vapor is very large. Because the linear heat-source model and numerical analysis cannot consider the heat-energy loss by water vapor, the temperature change is estimated to be large. Therefore, it is necessary to design the installation depth of the electric heating pipe to suppress the discharge of water vapor.

Keywords: soft-ground improvement; ground-heating method; electric heating pipe; heat-transfer characteristic (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2018
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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