Performance analysis of U-tube, concentric tube, and standing column well ground heat exchangers...

Summary

Presents simulation studies that examine and compare the thermal performance of some of the more common types of ground heat exchangers, such as single U-tube, double U-tube, concentric tube, and standing column well (with no ground water bleed), using a mathematical description for the thermal resistance of ground heat exchangers.  The system simulations are based on a short time step ground heat exchanger model and are conducted under an equivalent set of conditions considering a small office building.  A comparative life-cycle cost analysis was also conducted considering a 20-year system operation.

Primary Author(s): Yavuzturk C., Chiasson A D

Source: ASHRAE Trans., 2002, vol.108, part 1, paper number AC-02-15-1, p925-938, 11 figs., 4 tabs., refs.

             BSRIA Abstract Doc 000103963 Abs 20022452

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