Comparison of U-tube boreholes and a thermosiphon on heat pump performance in an aquifer

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Title Comparison of U-tube boreholes and a thermosiphon on heat pump performance in an aquifer
Publication Type thesis
School or College College of Engineering
Department Mechanical Engineering
Author Workman, Christopher B.
Date 2011-05
Description Reducing our energy consumption and dependence on fossil fuels has become a common social, political and engineering goal. Heating and cooling of buildings account for a large percentage of the energy consumption in the United States. Improving HVAC efficiency in buildings can play a major role in reducing energy use. Small scale geothermal systems that utilize low-grade heat have gained popu-larity as a way to reduce HVAC energy consumption. U-tubes and thermosiphons are two di fferent technologies designed to transfer heat to and from the ground in order to provide building heating and cooling. This thesis presents a short and long term experimental analysis. The short term analysis compares the performance of these technologies. The long term analysis focuses on the U-tubes, looking at the COP of the overall system during the course of a heating season and comparing temperatures for a theoretical air source heat pump system.
Type Text
Publisher University of Utah
Subject Borehole; Heat pump; Thermosiphon; U-tube; Geothermal systems
Dissertation Institution University of Utah
Dissertation Name Master of Science
Language eng
Rights Management Copyright © Christopher B. Workman 2011
Format application/pdf
Format Medium application/pdf
Format Extent 75,639,368 bytes
Identifier us-etd3,31734
Source Original housed in Marriott Library Special Collections, TH7.5 2011 .W67
ARK ark:/87278/s6tq6g99
Setname ir_etd
ID 194752
Reference URL https://collections.lib.utah.edu/ark:/87278/s6tq6g99
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