Reference : Improved District Heating Network Operation by the Integration of High Temperature He...
Scientific congresses and symposiums : Paper published in a book
Engineering, computing & technology : Energy
http://hdl.handle.net/2268/156491
Improved District Heating Network Operation by the Integration of High Temperature Heat Pumps
English
Sartor, Kevin mailto [Université de Liège - ULg > Département d'aérospatiale et mécanique > Systèmes de conversion d'énergie pour un dévelop.durable >]
Lemort, Vincent mailto [Université de Liège - ULg > Département d'aérospatiale et mécanique > Systèmes énergétiques >]
Dewallef, Pierre mailto [Université de Liège - ULg > Département d'aérospatiale et mécanique > Systèmes de conversion d'énergie pour un dévelop.durable >]
23-Sep-2013
Digital proceedings of the 8th Conference on Sustainable Development of Energy, Water and Environment Systems - SDEWES
No
International
The 8th Conference on Sustainable Development of Energy, Water and Environment Systems - SDEWES
du 23 au 27 septembre 2013
Dubrovnik
Croatie
[en] District heating ; Combined heat and power plant ; Heat pump ; Economic analysis ; CO2 reductions
[en] Biomass Combined Heat and Power (CHP) plants connected to district heating networks are a very good opportunity to increase the share of renewable sources into energy systems. Frequently, important consumers are connected to ensure a stable base demand of heat throughout the year but they often have higher requirements in terms of temperature (i.e., steam) which involves high level of temperatures in the district heating network during the whole year and high levels of heat losses in the network.

This contribution presents the possibility to decrease the level of temperature at which the district heating network operates and to use high temperature heat pumps connected locally at the consumption point to produce steam when needed. An investigation of the global design and integration through thermodynamic simulation models is realized for the University of Liège district heating network. This study is intended to determine the heat pump coefficient of performance and, therefore, to assess the balance between the savings in terms of heat losses and the additional heat pump electricity consumption.
Researchers ; Professionals
http://hdl.handle.net/2268/156491

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