Research
Denmark constitutes a low-enthalpy geothermal area, and currently geothermal production takes places from two sandstone-rich formations: the Bunter Sandstone and the Gassum formations. These formations form ma...
Geothermal Energy 2016 4:6
Published on: 1 April 2016
Research
Granitoid intrusions are the primary heat source of many deep geothermal reservoirs in Tuscany. The depth and shape of these plutons, characterised in this study by a prominent seismic reflector (the K horizo...
Geothermal Energy 2016 4:5
Published on: 31 March 2016
Research
The Cornubian granite batholith provides one of the main high heat production and flow provinces within the UK. An extensive programme of borehole measurements was undertaken in the 1980s to characterise the g...
Geothermal Energy 2016 4:4
Published on: 24 March 2016
Research
The evolution of fracture permeability is crucial as regards the lifespan of the deep fractured geothermal exchanger of an Enhanced Geothermal System site. The objective in developing reactive percolation test...
Geothermal Energy 2016 4:3
Published on: 23 January 2016
Research
Geopressured geothermal saline aquifers are an abundant low-enthalpy geothermal energy resource available in many coastal regions including the US Gulf of Mexico. In such geographic areas thick geopressured sa...
Geothermal Energy 2016 4:2
Published on: 21 January 2016
Research
Heat convection at pore-scale, which is strongly dependent on the topology of pore space, remains poorly understood for geothermal reservoirs. This is despite fundamental advances made in modeling heat transfe...
Geothermal Energy 2016 4:1
Published on: 16 January 2016
Review
Experiences in the use of methods for reducing steam deficit in operating geothermal power plants in Kamchatka (Russia) are summarized. Methods which are able to increase the steam flow rate of existing wells ...
Geothermal Energy 2015 3:23
Published on: 15 December 2015
Research
Utilization of Geothermal resources is an alternate, sustainable energy, which needs to be harnessed in India . Exploration of the resource is the first step to understand potential leads and prospects in the ...
Geothermal Energy 2015 3:22
Published on: 21 November 2015
Research
The effect of spatial aperture variations on the thermal performance of discretely fractured geothermal reservoirs was investigated using finite element method solutions to the convective heat transfer in the ...
Geothermal Energy 2015 3:21
Published on: 28 October 2015
Research
Magmatic settings involving active volcanism are potential locations for economic geothermal systems due to the occurrence of high temperature and steam pressures. Indonesia, located along active plate margins...
Geothermal Energy 2015 3:20
Published on: 26 October 2015
Research
Thermal–hydraulic analysis was conducted to examine the propagation of temperature anomalies under different climatic, subsurface and operation conditions. A series of scenarios simulated by numerical modeling...
Geothermal Energy 2015 3:19
Published on: 15 September 2015
Research
We use a databased lithospheric-scale 3D structural model of the Molasse Basin area and the adjacent part of the Alpine orogen to calculate the present-day 3D thermal field of this continental collision zone. ...
Geothermal Energy 2015 3:17
Published on: 12 September 2015
Research
The earth–air heat exchanger (EAHE) is a promising technique which can effectively be used to reduce the heating/cooling load of a building by preheating the air in winter and vice versa in summer. In the last...
Geothermal Energy 2015 3:18
Published on: 12 September 2015
Research
The study is devoted to the monitoring of a geothermal reservoir by hybrid gravimetry combining different types of instruments (permanent superconducting gravimeter, absolute ballistic gravimeter, and micro-gr...
Geothermal Energy 2015 3:16
Published on: 7 September 2015
Research
We estimate the maximum geothermal potential in Germany available for exploitation by operated engineered geothermal systems (EGS). To this end, we assume that (a) capabilities for creating sufficient permeabi...
Geothermal Energy 2015 3:15
Published on: 3 August 2015
Review
The natural resources of the Earth are being exploited beyond its sustainable capacity. The building industry consumes nearly 40 % of the global energy requirement. A major portion of this is used in meeting a...
Geothermal Energy 2015 3:14
Published on: 11 July 2015
Research
In high-enthalpy geothermal reservoirs and many other geo-technical applications, coupled non-isothermal multiphase flow is considered to be the underlying governing process that controls the system behavior. ...
Geothermal Energy 2015 3:13
Published on: 9 July 2015
Review
In this paper, we shed light on some sociocultural aspects underlying the use of shallow geothermal energy and point to relevant research on the utilization and public understanding of geothermal energy. We sh...
Geothermal Energy 2015 3:12
Published on: 2 July 2015
Research
Geological field observations evidence that active and fossil Icelandic hydrothermal systems are typically embedded into an intercalation of almost completely altered and nearly unaltered volcanic rock layers....
Geothermal Energy 2015 3:11
Published on: 23 June 2015
Research
The thermal resistance of a borehole can be reduced by employing thermally enhanced grout, increasing the surface area of the loop and locating the legs proximal to the bore wall. Thermal models that are used ...
Geothermal Energy 2015 3:10
Published on: 17 June 2015
Research article
The aim of this paper is to combine different types of information necessary for a first rather qualitative assessment of deep geothermal reservoirs in the region of Luxembourg. Within the geological framework...
Geothermal Energy 2015 3:9
Published on: 13 June 2015
Research
The thermal regime of the Upper Rhine Graben (URG) is characterized by a series of anomalies near Soultz-sous-Forêts (France), Rittershoffen (France), and Landau (Germany). These temperature anomalies are asso...
Geothermal Energy 2015 3:8
Published on: 18 April 2015
Research article
Ground heat exchangers installed in boreholes are an expensive component of a ground-coupled heat pump system, where minimizing the borehole length with appropriate materials and configuration can reduce the o...
Geothermal Energy 2015 3:7
Published on: 8 April 2015
Research
Thermal Response Test (TRT) is an onsite test used to characterize the thermal properties of shallow underground, when used as heat storage volume for shallow geothermal application. It is applied by injecting...
Geothermal Energy 2015 3:6
Published on: 31 March 2015
Research Article
The possible signature of deep fluids originating from processes occurring during infiltration or circulation in a remote valley in the Black Forest (Germany), a typical infiltration area in the crystalline ba...
Geothermal Energy 2015 3:5
Published on: 17 February 2015
