Optimization of the ground thermal response in hybrid geothermal heat pump systems.(Report): An article from: ASHRAE Transactions
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ISBN / ASINB003QN3ZUU
ISBN-13978B003QN3ZU0
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This digital document is an article from ASHRAE Transactions, published by American Society of Heating, Refrigerating, and Air-Conditioning Engineers, Inc. on January 1, 2010. The length of the article is 9167 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available immediately after purchase. You can view it with any web browser.
From the author: A study for the optimization of the ground thermal response in hybrid geothermal heat pump systems is presented. The design difficulty with hybrid geothermal heat pump systems is inherently an optimization problem that is best solved with a short time-step system simulation method. Many parameters can be optimized, and there is no unique expression of the optimization objective function. In this study, the optimization problem is defined as balancing the annual thermal loads on the ground by minimizing the borehole heat exchanger length and supplemental equipment size. The supplemental equipment examined in this research work has been limited to flat plate solar thermal collectors for heating-dominated applications and direct-contact evaporative cooling towers in cooling-dominated applications. Optimal control and operating strategies for the annual thermal load balance in the ground are discussed. Sensitivity analyses are conducted for the assessment of differential temperature control strategy impacting the magnitude of the ground heat transfer, and the supplemental equipment design.
Citation Details
Title: Optimization of the ground thermal response in hybrid geothermal heat pump systems.(Report)
Author: A.D. Chiasson
Publication:ASHRAE Transactions (Magazine/Journal)
Date: January 1, 2010
Publisher: American Society of Heating, Refrigerating, and Air-Conditioning Engineers, Inc.
Volume: 116 Issue: 1 Page: 512(13)
Article Type: Report
Distributed by Gale, a part of Cengage Learning
From the author: A study for the optimization of the ground thermal response in hybrid geothermal heat pump systems is presented. The design difficulty with hybrid geothermal heat pump systems is inherently an optimization problem that is best solved with a short time-step system simulation method. Many parameters can be optimized, and there is no unique expression of the optimization objective function. In this study, the optimization problem is defined as balancing the annual thermal loads on the ground by minimizing the borehole heat exchanger length and supplemental equipment size. The supplemental equipment examined in this research work has been limited to flat plate solar thermal collectors for heating-dominated applications and direct-contact evaporative cooling towers in cooling-dominated applications. Optimal control and operating strategies for the annual thermal load balance in the ground are discussed. Sensitivity analyses are conducted for the assessment of differential temperature control strategy impacting the magnitude of the ground heat transfer, and the supplemental equipment design.
Citation Details
Title: Optimization of the ground thermal response in hybrid geothermal heat pump systems.(Report)
Author: A.D. Chiasson
Publication:ASHRAE Transactions (Magazine/Journal)
Date: January 1, 2010
Publisher: American Society of Heating, Refrigerating, and Air-Conditioning Engineers, Inc.
Volume: 116 Issue: 1 Page: 512(13)
Article Type: Report
Distributed by Gale, a part of Cengage Learning
