Optimisation techno-économique d'un champ d'échangeurs géothermiques verticaux

Authors: Robert, Félix
Advisor: Gosselin, Louis
Abstract: This master thesis presents the method used and the optimization results for a ground coupled heat exchangers borefield. The content is divided into two papers submitted for publication to scientific journals. The first paper reports a study on soil stratigraphy impact on performance evaluation for a geothermal heat pump. The study reveals that the results obtained from simulation predict the same energy consumption of heat pump system for stratified soil and for homogenous soil defined by an average thermal conductivity. It confirms the assumption that a ground coupled heat exchanger system can be modeled using an average value of thermal conductivity. The second paper presents an optimization method of geothermal borefield design to minimize the cost of the system. Results show that number of boreholes in the grid, and their depth, are two influential parameters having strong effect on total cost.
Document Type: Mémoire de maîtrise
Issue Date: 2013
Open Access Date: 19 April 2018
Permalink: http://hdl.handle.net/20.500.11794/24287
Grantor: Université Laval
Collection:Thèses et mémoires

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