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Although the adaptation of deep foundations into heat exchangers is receiving growing attention, geothermal research is focusing mostly on energy optimization aspects. Meanwhile, the primary bearing function of the foundation must remain unaltered. Also, p ...
International Centre for Computational Engineering2009
To be profitable, a geothermal energy system must effectively and economically convert a given resource into useful energy services to be delivered to the consumer during different periods of the year. These services include electricity, district heating, ...
Nowadays, manipulation of liquids in miniaturised environments finds applications in many fields in biology and medicine such as diagnostics, toxicity analysis, drug delivery and so on. In those domains, the use of disposable devices has the great advantag ...
The energy services delivered to urban areas in Switzerland make up more than 45% of the national energy consumption. Thus, in the framework of the Tetraener European project, a methodology has been developed to design low temperature thermal networks base ...
Solar thermal energy is generally accepted as very energy efficient in providing space heating and cooling, desalination of sea water or solar thermal electricity generation. For all these applications, one of the key elements is the optical selective coat ...
This paper details the development of a systematic methodology using thermo-economic modeling that can be used to identify the optimal exploitation schemes of geothermal resources. A multi-period approach is used, integrating the superstructure of exploita ...
Shallow or deep geothermal resources can be used to produce different energy services: district heating, electricity and cooling. The combined production of these services is done using conversion technologies, such as flash systems, binary cycles or heat ...
Sustainable management of underground natural resources is more and more a worthwhile topic. In particular, worrying about groundwater protection becomes imperative. Taking into account the increase of incompatibilities between water conservation and the u ...
This paper presents Large Eddy simulations of a compressible turbulent flow through a duct of square cross- section with a discrete heating source on its bottom wall. The potential interest is related to numerous engineering applications. In the first part ...
The geothermal use of concrete geostructures (piles, walls and slabs) is an environmentally friendly way of cooling and heating buildings. With such geothermal structures, it is possible to transfer energy from the ground to fluid-filled pipes cast in conc ...