Transcription of Determination of Thermal Conductivity of Coarse and Fine ...
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Determination of Thermal Conductivity of Coarse and Fine ...
Proceedings World Geothermal Congress 2010 Bali, Indonesia, 25-29 April 2010 1 Determination of Thermal Conductivity of Coarse and Fine Sand Soils Indra Noer Hamdhan1 and Barry G. Clarke2 1 Bandung National of Institute of Technology,2 Leeds University 1 Keywords: energy piles, heat transfer coefficient, Thermal Conductivity ABSTRACT Energy piles are technologies that tap into the Thermal energy present in the ground and then utilize it for heating and/or cooling buildings. Heat is transmitted into/from the soil by conduction or convection due to the Thermal gradients within the soil mass. The main Thermal characteristics of soil are the Thermal Conductivity and Thermal capacity. Soil Thermal Conductivity measurements describe the soil properties which govern the flow of heat through the soil.
In the standard test ... and 4 showing sieve analysis result of two kinds of sand that used in this research. ... 10 1 0.1 0.01 Grain size, D (mm) Percent finer (%) Figure 3: Plot of percent finer vs. grain size (coarse sand). 0 10 20 30 40 50 60 70 80 90 100 10 1 …
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