This paper presents a review of the worldwide applications of geothermal energy for direct
utilization, and updates the previous survey carried out in 2010. We also compare data from …

I have analyzed the major activities carried out for geothermal electricity generation since
WGC2010. New data has been taken from WGC2015Country Update reports, private …

The concept of borehole heat exchanger (BHE) field exploitation is described, along with
problems regarding the sustainability of heat resources in rock masses. A BHE field …

Heating performance of deep borehole heat exchangers (DBHEs) is heavily impacted by its
design and operating flow rate. Here, various designs of coaxial DBHEs were numerically …

Geothermal heat exchangers applied to building air conditioning and heating systems are
often categorized as vertical and horizontal configurations. In this article, an analytical model …

Investigating the constructions of borehole heat exchangers with high efficiency (unit heat
transfer between the heat carrier and ground) is important. One of the means to improve …

Advances in new technologies and the desire to achieve a sustainable and safe energy
supply, enable communities to transition from conventional to renewable resources, such as …

The energetic framework of Canadian remote communities relies on fossil fuels. This has
adverse environmental and energy security issues. In order to offset diesel consumption, the …

Research on borehole heat exchangers is described on the development of a method for the
determination, based on thermal response tests, of the effective thermal conductivity and the …

The use of shallow geothermal energy systems utilizing groundwater temperature for the air-
conditioning of buildings is increasing worldwide. The impact of these systems on …