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Bo Zhou, Qiongying Liu, Shunyun Chen and Peixun Liu
Heat has been widely used as a groundwater tracer to determine groundwater flow direction and velocity in a way that is ubiquitous, low-cost, environmentally friendly, and easy to use. However, temperature observations are generally short-term and small-...
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Yuwei Dai, Minzhang Hou, Haidong Wang and Wanli Tu
Source location identification methods are typically applied to steady-state conditions under pure indoor or outdoor environments, but under time-varying wind conditions and coupled indoor and outdoor environments, the applicability is not clear. In this...
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Esteban Caligaris, Margherita Agostini and Rudy Rossetto
Managed Aquifer Recharge (MAR), the intentional recharge of aquifers, has surged worldwide in the last 60 years as one of the options to preserve and increase water resources availability. However, estimating the extent of the area impacted by the rechar...
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Tanguy Robert, Claire Paulus, Pierre-Yves Bolly, Emma Koo Seen Lin and Thomas Hermans
Since salt cannot always be used as a geophysical tracer (because it may pollute the aquifer with the mass that is necessary to induce a geophysical contrast), and since in many contaminated aquifer salts (e.g., chloride) already constitute the main cont...
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Karidewa Nyeinga, Denis Okello, Ole Jorgen Nydal
This study describes a 3D ray tracer model for analysis of a small-scale solar concentrating system where thermal heat is collected for cooking purposes. Emitted sun rays were traced from the source through all reflections until they intercepted with the...
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Anna Suzuki, Fuad Ikhwanda, Aoi Yamaguchi and Toshiyuki Hashida
Reinjection is crucial for sustainable geothermal developments. In order to predict thermal performances due to cold-water injection, a method was developed to estimate effective fracture surface areas (i.e., heat transfer areas). Tracer response curves ...
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Jérôme de La Bernardie, Olivier Bour, Nicolas Guihéneuf, Eliot Chatton, Laurent Longuevergne and Tanguy Le Borgne
Experimental characterization of thermal transport in fractured media through thermal tracer tests is crucial for environmental and industrial applications such as the prediction of geothermal system efficiency. However, such experiments have been poorly...
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An experimental study was conducted in a room resembling an office in a laboratory environment. The study involved investigating the ability of corner-placed stratum ventilation in order to evaluate the ventilation’s effectiveness and local thermal...
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Lisa Maria Ringel, Márk Somogyvári, Mohammadreza Jalali and Peter Bayer
Fractures serve as highly conductive preferential flow paths for fluids in rocks, which are difficult to exactly reconstruct in numerical models. Especially, in low-conductive rocks, fractures are often the only pathways for advection of solutes and heat...
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Pedro Rodríguez-Juárez, Hugo E. Júnez-Ferreira, Julián González Trinidad, Manuel Zavala, Susana Burnes-Rudecino and Carlos Bautista-Capetillo
This paper describes the design, calibration and testing processes of a new device named Automated Laboratory Infiltrometer (ALI). It allows to determinate in laboratory, under controlled conditions the saturated hydraulic conductivity (Ks) of altered or...
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