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Thermal design and full-scale thermal response test on Energy Walls [PDF]

open access: yesE3S Web of Conferences, 2019
Energy geostructures (EG) are an innovative technology in the sustainable energy agenda that can be used to satisfy the heating and cooling needs of the built environment.
Zannin Jacopo   +3 more
doaj   +2 more sources

Thermal response test data of five quadratic cross section precast pile heat exchangers [PDF]

open access: yesData in Brief, 2018
This data article comprises records from five Thermal Response Tests (TRT) of quadratic cross section pile heat exchangers. Pile heat exchangers, typically referred to as energy piles, consist of traditional foundation piles with embedded heat exchanger ...
Maria Alberdi-Pagola
doaj   +2 more sources

Thermal Response Testing of Large Diameter Energy Piles [PDF]

open access: yesEnergies, 2019
Energy piles are a novel form of ground heat exchanger (GHE) used in ground source heat pump systems. However, characterizing the pile and ground thermal properties is more challenging than for traditional GHEs.
Linden Jensen-Page   +2 more
doaj   +5 more sources

How Reliable Are Standard Thermal Response Tests? An Assessment Based on Long-Term Thermal Response Tests Under Different Operational Conditions [PDF]

open access: yesEnergies, 2018
In this contribution, we analyze the results of a number of thermal response test (TRT) experiments performed during several years at the same location at our university campus in Valencia (Spain), a permeable saturated soil area with possible ...
Javier F. Urchueguía   +5 more
doaj   +3 more sources

Low-Cost Distributed Thermal Response Test for the Estimation of Thermal Ground and Grout Conductivities in Geothermal Heat Pump Applications

open access: yesEnergies, 2023
The design process of a borehole heat exchanger (BHE) requires knowledge of building thermal loads, the expected heat pump’s COP and the ground’s thermophysical properties. The thermal response test (TRT) is a common experimental technique for estimating
Antonella Priarone   +3 more
doaj   +1 more source

Influence of Different Heat Loads and Durations on the Field Thermal Response Test

open access: yesEnergies, 2022
Geothermal energy exhibits considerable development potential in space heating. Shallow geothermal energy stored in the soil in the form of low-grade energy is mainly extracted via the ground source heat pump (GSHP) system.
Yongjie Ma   +6 more
doaj   +1 more source

Study on an advanced borehole heat exchanger for ground source heat pump operating in volcanic island: Case study of Jeju island, South Korea

open access: yesFrontiers in Built Environment, 2022
This paper presents an advanced borehole heat exchanger that has been developed in order to apply a ground source heat pump to a volcanic island where the existing borehole heat exchangers are inapplicable by local ordinance.
Jong Woo Kim   +6 more
doaj   +1 more source

Analysis of the Influence of Reducing the Duration of a Thermal Response Test in a Water-Filled Geothermal Borehole Located in Spain

open access: yesEnergies, 2020
Usually thermal response tests are restricted to big geothermal projects; the high investment makes them less suitable for designing domestic low-enthalpy geothermal energy systems. The work here presented aims to study the influence of time reduction in
Ignacio Martín Nieto   +3 more
doaj   +1 more source

Advanced thermal response tests: A review

open access: yesRenewable and Sustainable Energy Reviews, 2020
Abstract In this study, the historical and technical development and the current status of distributed (DTRT) and enhanced (ETRT) thermal response tests (TRT) are reviewed. The different test setups of these advanced TRT are critically assessed and future research questions are outlined.
Wilke, Sascha   +3 more
openaire   +2 more sources

Estimation of Groundwater Flow Rate by an Actively Heated Fiber Optics Based Thermal Response Test in a Grouted Borehole

open access: yesWater Resources Research, 2023
The thermal response test (TRT) in an aquifer establishes a relationship between the groundwater flow rate and the recorded temperature response curve of temporal ground heating.
Bo Zhang   +7 more
doaj   +1 more source

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