The U-tube sizes and varied thermal conductivity with different grout materials are studied based on the benchmark residential building in Hot-humid Pensacola, Florida. In this study, the benchmark building is metered and the data is used to validate the simulation model. And a list of comparative simulation cases with varied parameter value are simulated to study the importance of pipe size and grout to the ground source heat pump energy consumption. The simulation software TRNSYS [1] is employed to fulfill this task. The results show the preliminary energy saving based on varied parameters. Future work needs to be conducted for the cost analysis, include the installation cost from contractor and materials cost.

Volume Subject Area:
Energy Systems Analysis, Thermodynamics and Sustainability
Keywords:
GSHP, Pipe size, Grout
Topics:
Climate, Heat pumps, Pipe sizes, Simulation, Computer software, Energy consumption, Residential construction, Simulation models, Thermal conductivity
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 by ASME
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