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Masters Theses

2014

<p>Ground source heat pump systems<br />Heat exchangers -- Thermodynamics<br />Heat -- Transmission -- Mathematical models<br />Heat exchangers -- Design and construction<br />Heat pumps -- Design</p>

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Full-Text Articles in Mechanical Engineering

An Effectiveness - Based Analysis Of Ground Coupled Heat Exchangers, Chou Shen Jan 2014

An Effectiveness - Based Analysis Of Ground Coupled Heat Exchangers, Chou Shen

Masters Theses

"This thesis develops a theoretical framework, termed [Effectiveness] - BLU, to characterize the relation between temperatures, thermal contact and borehole length as it relates to the heat transfer processes in ground coupled heat exchangers used for ground source heat pump systems.

Borehole outflow temperature depends on the inflow temperature, the heat imposed on the borehole and the temperature history of the ground. In addition, variation of outflow temperature influences inflow temperature, even for the case of constant heat pump load. Because of this kind of feedback, the borehole inflow temperature may not be constant even with a fixed building load. …