Reference : Exergy analysis applied to performance of buildings in Europe
Scientific congresses and symposiums : Paper published in a journal
Engineering, computing & technology : Energy
http://hdl.handle.net/2268/198755
Exergy analysis applied to performance of buildings in Europe
English
Sartor, Kevin mailto [Université de Liège > Département d'aérospatiale et mécanique > Systèmes de conversion d'énergie pour un dévelop.durable >]
Dewallef, Pierre mailto [Université de Liège > Département d'aérospatiale et mécanique > Systèmes de conversion d'énergie pour un dévelop.durable >]
2016
Proceedings
Yes
No
International
ECOS 2016: 29th international conference on Efficiency, Cost, Optimisation Simulation and Environmental Impact of Energy Systems
Du 20 au 23 juin 2016
Portoroz
Slovenia
[en] Exergy analysis ; building performance ; Exergy ; CO2 reduction
[en] Energy performance of buildings generally assesses the energy consumption of buildings such as heating, domestic heat water, ventilation systems... However, this approach is based on the first law of thermodynamics and considers only the quantity of energy used without considering its “quality” and leads to a lack of information about the energy conversion processes. This is particularly true in the new low-energy buildings where sometimes high temperatures sources are used to meet low-temperature needs. The exergy analysis of a system, based on first and second thermodynamic laws, can be used to overcome this. In this work, it is proposed to compare the energy and the exergy consumption of several kinds of buildings to determine the best systems in terms of energy and exergy needs. The energy demand calculations are performed using the official software available in Belgium and some assumptions are implemented to consider the exergy approach. As exergy calculations require a reference state, some different climatic conditions are also investigated. Finally, some conclusions are discussed to rank the sources of energy and their related exergy losses.
Researchers ; Professionals
http://hdl.handle.net/2268/198755

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