Efficiency of vertical U-tube under varied soil moisture content conditions: Laboratory experiments

Dana Sledz, Toshihiro Sakaki, Masami Nakagawa

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

1 被引用数 (Scopus)

抄録

Ground Source Heat Pumps (GSHPs) are important renewable energy systems to reduce the usage of conventional HVAC systems in residential and commercial heating and cooling, and can be installed almost anywhere in the United States. However, high initial cost often deters the implementation of these systems. In order to avoid potentially lengthy payback period due to inadequate installation, it is critical to ensure the installed systems perform reliably and economically. Soil water content is known to affect thermal conductivity of soil, which can alter the heat exchanging efficiency of the GSHPs. In an effort to reduce costs to build and operate, the pipe length and flow rate must be optimized based on water table height and temperature input. In this study, a series of bench-scale experiments were performed in order to show how water table elevation can affect the efficiency of a vertical U-tube heat exchanger.

本文言語英語
ホスト出版物のタイトルGeothermal Resources Council Annual Meeting 2010, Geothermal 2010
ページ875-877
ページ数3
出版ステータス出版済み - 12 1 2010
外部発表はい
イベントGeothermal Resources Council Annual Meeting 2010, Geothermal 2010 - Sacramento, CA, 米国
継続期間: 10 24 201010 27 2010

出版物シリーズ

名前Transactions - Geothermal Resources Council
34 2
ISSN(印刷版)0193-5933

その他

その他Geothermal Resources Council Annual Meeting 2010, Geothermal 2010
国/地域米国
CitySacramento, CA
Period10/24/1010/27/10

All Science Journal Classification (ASJC) codes

  • 再生可能エネルギー、持続可能性、環境
  • エネルギー工学および電力技術
  • 地球物理学

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