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Thermal Conductivity Testing of Energy Piles: Field Testing and Numerical Modeling
Heat exchange capacity of an Energy Pile is a key parameter in the design of these elements as ground sourced heat exchangers. In most cases, field thermal conductivity tests are necessary to verify design assumptions similar to running a conventional pile load test to prove pile capacity. Current standards for measuring the heat exchange performance of geothermal systems are limited and do not directly apply to Energy Piles. Most importantly, current guidelines limit the maximum diameter of a tested geothermal heat exchange element to 6 inches. We have developed a 3D numerical model to simulate thermal conductivity testing and calibrated the numerical model with a thermal conductivity field test. This model will allow us to perform a series of numerical analyses to test the validity of the assumptions underlying current thermal conductivity testing procedures.
Thermal Conductivity Testing of Energy Piles: Field Testing and Numerical Modeling
Heat exchange capacity of an Energy Pile is a key parameter in the design of these elements as ground sourced heat exchangers. In most cases, field thermal conductivity tests are necessary to verify design assumptions similar to running a conventional pile load test to prove pile capacity. Current standards for measuring the heat exchange performance of geothermal systems are limited and do not directly apply to Energy Piles. Most importantly, current guidelines limit the maximum diameter of a tested geothermal heat exchange element to 6 inches. We have developed a 3D numerical model to simulate thermal conductivity testing and calibrated the numerical model with a thermal conductivity field test. This model will allow us to perform a series of numerical analyses to test the validity of the assumptions underlying current thermal conductivity testing procedures.
Thermal Conductivity Testing of Energy Piles: Field Testing and Numerical Modeling
Ozudogru, Tolga (author) / Brettmann, Tracy (author) / Guney Olgun, C. (author) / Martin, II, James R. (author) / Senol, Aykut (author)
GeoCongress 2012 ; 2012 ; Oakland, California, United States
GeoCongress 2012 ; 4436-4445
2012-03-29
Conference paper
Electronic Resource
English
Thermal Conductivity Testing of Energy Piles: Field Testing and Numerical Modeling
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