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Energy Pile - Heat Transfer and Laminar Flow
Posted Jun 28, 2022, 1:54 p.m. EDT Fluid & Heat, Heat Transfer Version 5.6 1 Reply
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I'm trying to analyse an energy pile (or heat exchanger foundation) with heat transfer in solids and fluids and laminar flow.
The water pipe should have a constant temperature of 10 [degC]. The problem is that after computing the study, the water reaches 19 [degC] after 100 hours. What am I doing wrong? Basically, the water should be coming through the pipe with a constant pressure/velocity and temperature, to cold the soil in my case, or to heat the soil if the water temperature is higher than the soil's temperature. The water should flow with constant 10 [degC], from the inflow to the outflow, cooling (or heating) the soil, but my model is wrong at some point. Any idea?
Thank you very much. Regards.