Browsing Proceedings of the IGSHPA Research Track 2022 by Title
Now showing items 1-20 of 33
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2022 Research Conference Proceedings, International Ground Source Heat Pump Association
(International Ground Source Heat Pump Association, 2022) -
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 ... -
Case study on high-resolution monitoring network of groundwater heat pump system
(International Ground Source Heat Pump Association, 2022)With the increasing installation of shallow geothermal energy, the importance of thermal impact prediction also increases in the system design stage. In nature, it is general that heterogeneity exists and it can affect the ... -
Characterization of helical steel pile performance under varying soil conditions
(International Ground Source Heat Pump Association, 2022)Ground-Source Heat Pumps (GSHPs) are a clean alternative to traditional space heating and cooling technologies. GSHPs take advantage of relatively constant ground temperatures as a medium for heat exchange, in contrast to ... -
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 ... -
Column experiments to anticipate clogging of standing column wells
(International Ground Source Heat Pump Association, 2022)Standing column wells are a promising solution to reduce the environmental footprint of building energy consumption. Nevertheless, as in other open-loop wells, they can be affected by clogging processes if detrimental ... -
Control strategy evaluation framework for ground source heat pumps using standing column wells
(International Ground Source Heat Pump Association, 2022)Standing column wells (SCWs) are efficient ground heat exchangers (GHEs) that have a significant cost saving potential. Recent developments have shown that they can also adapt successfully to cold climates despite previous ... -
Development of a topology optimization method for the design of ground heat exchangers
(International Ground Source Heat Pump Association, 2022)A new method for sizing vertical ground heat exchangers is proposed using topology optimization to reduce the number of boreholes required to fulfill the cooling and heating demand. The ASHRAE sizing equation is adapted ... -
Development of a web-based screening tool for ground source heat pump applications
(International Ground Source Heat Pump Association, 2022)Ground source heat pump (GSHP) technology has great potential to help the nation meet its energy and decarbonization goals, but several barriers hinder the wide application of GSHP. Important barriers include the lack of ... -
Dynamic simulation of ground source heat pump systems with nonstationary convolutions
(International Ground Source Heat Pump Association, 2022)Advective processes related to groundwater motion and flow rates have a significant impact on the thermal performance of ground source heat pump systems. Including these elements during the design phase, however, remains ... -
Economic optimization and parametric analysis of large hybrid ground source heat pump systems: A case study
(International Ground Source Heat Pump Association, 2022)Hybrid ground source heat pump systems offer a solution to reduce initial costs and make systems more economically viable. Their design is however complex and their financial profitability difficult to establish. The design ... -
Experimental performance analysis of a dual source heat pump integrated with thermal energy storage
(International Ground Source Heat Pump Association, 2022)To mitigate disturbances to the electric grid resulting from the growing penetration of intermittent and decentralized renewable generation, a dual-source (air source and ground source) heat pump (DSHP) integrated with ... -
Field tests and numerical simulation of a novel thermal response test equipment for water wells
(International Ground Source Heat Pump Association, 2022)The objective of this study is to develop a novel thermal response test (TRT) equipment that can be applied to existing water wells instead of borehole heat exchangers (BHEs). Accordingly, field tests were conducted using ... -
Forecasting hydraulic head changes in injection wells using LSTM network
(International Ground Source Heat Pump Association, 2022)Monitoring of well's specific capacity is commonly used to plan maintenance of injection wells in open-loop GSHP and standing column well systems. However, this method does not consider the effect of temperature on hydraulic ... -
Ground heat exchanger design tool with rowwise placement of boreholes
(International Ground Source Heat Pump Association, 2022)Simulation-based design tools have been used since the late 1980s for designing ground heat exchangers (GHE) used with ground source heat pump (GSHP) systems. The ground heat exchanger simulations used in these tools rely ... -
Ground heat exchanger performance with variable speed ground-source heat pumps
(International Ground Source Heat Pump Association, 2022)The objective of this paper is to compare the required length and performance of ground heat exchangers as well as heat pump energy consumption for fixed and variable speed ground-source heat pumps. In the first part of ... -
Ground heat exchangers with large diameter pipes: What are the benefits?
(International Ground Source Heat Pump Association, 2022)The geothermal industry has recently been opting for large high-density polyethylene pipes to design vertical ground heat exchangers of ground-coupled heat pump system. Thus, we hypothesized that large diameter pipes can ... -
Impact analysis of heating electrification in US buildings with geothermal heat pumps
(International Ground Source Heat Pump Association, 2022)Few studies have investigated the impacts of large-scale deployment of geothermal heat pumps (GHPs, also called ground source heat pumps) on the electric grid. GHPs utilize the ground as a heat source to warm buildings ... -
Impacts of prospective LEED building's energy loads on a borehole heat exchanger: A case study in Central Illinois
(International Ground Source Heat Pump Association, 2022)Assessing the thermal behavior in the subsurface surroundings of a borehole heat exchanger (BHE) is necessary for evaluating the performance of GSHP systems. In this study we undertook a preliminary thermal analysis on a ... -
Influence of buildings on geothermal boreholes – a comparison between two models
(International Ground Source Heat Pump Association, 2022)The spread of ground source heat pumps has led to the development of several models to estimate the thermal interference between independent geothermal boreholes in densely populated areas. Some of these models take into ...