Geothermal energy

I Stober, K Bucher - Germany: Springer-Verlag Berlin Heidelberg. doi, 2013 - Springer
Geothermal energy is an inexhaustible source of thermal and electrical energy on a human
time scale. Its utilization is friendly to the environment and supplies base-load energy. The …

Numerical sensitivity study of thermal response tests

V Wagner, P Bayer, M Kübert, P Blum - Renewable Energy, 2012 - Elsevier
Thermal conductivity and thermal borehole resistance are basic parameters for the technical
and sustainable design of closed ground source heat pump (GSHP) systems. One of the …

[图书][B] Geothermie

I Stober, K Bucher - 2012 - Springer
Die Geothermie bietet eine nahezu unerschöpfliche Quelle zur Wärmebereitstellung und zur
Erzeugung von Strom. Geothermie ist klimaschonend und grundlastfähig. Sie ist …

Geothermal energy for sustainable food production in Canada's remote northern communities

C Kinney, A Dehghani-Sanij, SB Mahbaz… - Energies, 2019 - mdpi.com
The cold, remote, northern regions of Canada constitute a challenging environment for the
provision of reliable energy and food supply to communities. A transition from fossil fuels to …

Hydraulic characterization of aquifers by thermal response testing: Validation by large‐scale tank and field experiments

V Wagner, P Bayer, G Bisch, M Kübert… - Water Resources …, 2014 - Wiley Online Library
Thermal response tests (TRTs) are a common field method in shallow geothermics to
estimate thermal properties of the ground. During the test, a constantly heated fluid is …

Borehole resistance and heat conduction around vertical ground heat exchangers

Z Sagia, A Stegou… - The open …, 2012 - openchemicalengineeringjournal …
Borehole thermal resistance in Ground Heat Exchanger (GHE) installations is affected by
several parameters such as geometrical attributes of heat exchanger in the borehole, pipes' …

Guidelines and the design approach for vertical geothermal heat pump systems: current status and perspective

SE Dehkordi, RA Schincariol - Canadian Geotechnical Journal, 2014 - cdnsciencepub.com
Geothermal heat pumps are becoming increasingly popular due to their energy efficiency,
rising energy prices, and them being a renewable or sustainable form of energy. However …

[PDF][PDF] Comparison of borehole heat exchangers (BHEs): state of the art vs. novel design approaches

P Oberdorfer, F Maier, E Holzbecher - Proceedings of COMSOL …, 2011 - comsol.it
The efficiency of borehole heat exchangers (BHEs) for geothermal purposes depends not
only on material properties but also on their geometrical design. These days most used …

[PDF][PDF] A coupled FEM model for numerical simulation of rechargable shallow geothermal BHE systems

P Oberdorfer, R Hu, E Holzbecher… - Proceedings of the 38th …, 2013 - pangea.stanford.edu
The direct implementation of borehole heat exchangers (BHEs) within a 3D model is a
challenging numerical problem caused by the geometry of the boreholes with extreme depth …

[PDF][PDF] Comprehensive summary of borehole heat exchanger research at KTH

J Acuña, B Palm - IIR/Eurotherm sustainable refrigeration and …, 2009 - researchgate.net
ABSTRACT A research project that aims at presenting recommendations for improving the
COP of ground source heat pump systems by 10-20% through better design of Borehole …