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Now showing items 51-60 of 126
Accuracy of analytical approaches to thermal response test interpretation
(International Ground Source Heat Pump Association, 2022)
Thermal conductivity obtained via thermal response test (TRT) is one of the essential parameters for the design of shallow geothermal systems, especially a borehole heat exchanger (BHE). During TRT analysis, several factors ...
Hydrogeothermal characterization and modelling of a standing column well experimental installation
(International Ground Source Heat Pump Association, 2018)
Standing column wells (SCW) are efficient ground heat exchangers that offer promising potential for integration in dense urban areas. Recent years have witnessed a growing interest in SCWs, resulting in the development of ...
Climate change effects on the energy performance of a residential groundsource heat pump system
(International Ground Source Heat Pump Association, 2022)
The objective of this paper is to examine the impact of climate change on the energy performance of a typical residential ground-source heat pump (GSHP) system equipped with a horizontal ground heat exchanger (GHE) and ...
Direct expansion ground source heat pump using carbon dioxide as refrigerant: Test facility and theoretical model presentation
(International Ground Source Heat Pump Association, 2017)
In an attempt to address recent challenges on using natural refrigerants and to develop further knowledge and expertise in the field of direct expansion ground source heat pump (DX-GSHP), an experimental transcritical ...
Technical and economic evaluation of a ground source heat pump with thermal and battery energy storage systems for residential dwellings in Quebec
(International Ground Source Heat Pump Association, 2022)
Ground source heat pump (GSHP) systems have been identified as promising solutions to help buildings achieve future carbon neutral targets. However, two main barriers decelerate the wide adoption of this technology in every ...
Properties of different ethyl alcohol based secondary fluids used for GSHP in Europe and USA
(International Ground Source Heat Pump Association, 2017)
The extensive use of ground source heat pumps (GSHP) for heating and cooling purposes has made Sweden the European leader in geothermal energy utilization, in terms of the installed capacity, as well as extracted thermal ...
Modelling of alternative borehole configurations for geo-exchange
(International Ground Source Heat Pump Association, 2017)
During the operation of a ground source heat pump (GSHP), the ground acts as a heat sink and heat source in cooling and heating modes, respectively. When the heating and cooling loads are extremely unbalanced, ground ...
Providing low carbon cooling through pile foundations; the effect of thermal cycling on clay strength
(International Ground Source Heat Pump Association, 2017)
Pile foundations provide a low-intrusive mechanism for installing heat exchangers into the ground, especially if the piles are being installed to support the building. The ground temperature is relatively constant at depths ...
Comparison of two simplified approaches for ground temperature estimations in Australia
(International Ground Source Heat Pump Association, 2018)
Developing an accurate and practical method for ground temperature estimations are critical for the ground source heat pump system design and energy calculation procedures. In Australia, Baggs' method is a common procedure ...
Investigation of design and control strategies for combining Photovoltaic Thermal (PVT) solar modules with ground-source heat pump systems: Case example for net zero building in a moderately cold climate
(International Ground Source Heat Pump Association, 2022)
A synergistic coupling of a ground source heat pump (GSHP) system with photovoltaic thermal (PVT) modules for a cooling dominated net-zero building in a moderately cold climate is presented in this study. As individual ...