Performance Analysis of Standing Column Well Ground Heat Exchanger Systems

Deng O'Neill, Zheng; Spitler, Jeffrey D.; Rees, Simon J.
October 2006
ASHRAE Transactions;2006, Vol. 112 Issue 2, p633
Academic Journal
Simulation studies are presented to examine the thermal and economic performance of standing column wells with and without groundwater bleed in different locations in the United States. The simulations are based on a simplified standing column well model that has been integrated into an hourly building energy simulation program. The required design depth and energy costs from standing column well systems are compared with that of single U-tube closed-loop systems. Results show that the standing column well systems require less borehole length. A comparative life-cycle cost analysis is conducted considering 20 year system operation.


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