Results 11 to 20 of about 314,980 (299)

Evaluating thermal response tests using parameter estimation for thermal conductivity and thermal capacity

Journal of Geophysics and Engineering, 2005
Thermal response tests (TRT) record the temperature variation of closed-loop shallow borehole heat exchangers (BHE) due to fluid circulation. The average change of fluid temperature is directly related to the rock thermal conductivity λ around the well.
Christoph Clauser, Clauser Christoph
exaly   +2 more sources

First thermal response test in Syria [PDF]

, 2009
Ground source heat pumps (GSHPs) mean attractive heating and cooling systems. The injection/extraction of thermal energy is obtained by borehole heat exchangers (BHE). Since the GSHP operates at a relatively stable temperature, the coefficient of performance of such systems is higher than that of air source heat pumps.
Kharseh, Mohamad, Nordell, Bo
openaire   +2 more sources

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

Energies, 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, Stefano Morchio, Marco Fossa, Samuele Memme   +3 more
doaj   +1 more source

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

Water 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, Kai Gu, Peter Bayer, Haibo Qi, Bin Shi, Baojun Wang, Yuehua Jiang, Quanping Zhou   +7 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

Frontiers 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, Jong Woo Kim, Yeong-Min Kim, Yoon Jung Ko, Qian Chen, Cui Xin, Seung Jin Oh   +6 more
doaj   +1 more source

TED - a mobile equipment for thermal response test : testing and evaluation [PDF]

, 1996
Validerat; 20101217 (root)
Eklöf, Catarina, Gehlin, Signhild
openaire   +2 more sources

Study on Calculation Method of Heat Exchange Capacity and Thermal Properties of Buried Pipes in the Fractured Rock Mass-Taking a Project in Carbonate Rock Area as an Example

Energies, 2023
Fractures are developed in carbonate rock areas, and the fracture water flow significantly influences the heat exchange between buried pipes and the rock mass by induing heat convection, providing the carbonate rock area a strong heat exchange capacity ...
Lin Wang, Yonglin Ren, Fengqiang Deng, Yiqiang Zhang, Yan Qiu   +4 more
doaj   +1 more source

One-Year Monitoring of a Ground Heat Exchanger Using the In Situ Thermal Response Test: An Experimental Approach on Climatic Effects

Energies, 2022
The use of renewable energies, and of geothermal energy in particular, is increasingly being applied in Germany and Europe for the development of new residential districts.
Oliver Suft, David Bertermann
doaj   +1 more source

A Model of a Diaphragm Wall Ground Heat Exchanger [PDF]

, 2020
Ground thermal energy is a sustainable source that can substantially reduce our dependency on conventional fuels for heating and cooling of buildings.
Rees, S, Carbayo, MP, Mardaras, IU, Polo Carbayo, Merche, Shafagh, I, Marina Curto Janó, Shafagh, Ida, Iñigo Urra Mardaras, Ida Shafagh, Rees, Simon, Merche Polo Carbayo, Simon Rees, Janó, MC, Urra Mardaras, Iñigo, Curto Janó, Marina   +14 more
core   +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

Energies, 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, Cristina Sáez Blázquez, Arturo Farfán Martín, Diego González-Aguilera   +3 more
doaj   +1 more source