Publications de Raluca-Ancuta Suciu

Geographically Parameterized Residential Sector Energy and Service Profile

Luc Girardin, François Maréchal, Hür Ebuzer Bütün, Raluca-Ancuta Suciu, Ivan Daniel Kantor

The large share of energy consumption in the residential sector has necessitated better understanding and evaluation of the energy needs in this sector, with the objective of identifying possible pathways for improvement. A series of approaches have been u ...

FRONTIERS MEDIA SA2019

Systematic Integration of Energy-Optimal Buildings With District Networks

Luc Girardin, François Maréchal, Paul Michael Stadler, Raluca-Ancuta Suciu, Ivan Daniel Kantor

The residential sector accounts for a large share of worldwide energy consumption, yet is difficult to characterise, since consumption profiles depend on several factors from geographical location to individual building occupant behaviour. Given this diffi ...

2019

Fifth generation district energy systems for low carbon cities

Raluca-Ancuta Suciu

The focus and challenge for energy engineering in the context of rapid climate change is summarised by the Europe 20-20-20 targets, committing to a reduction in energy consumption of 20%. The most logical approach to achieve these goals is to target the mo ...

EPFL2019

Solar thermal and geothermal integration with low temperature CO 2 DENs

Luc Girardin, François Maréchal, Raluca-Ancuta Suciu

Taking into account the high efficiency of solar thermal collectors and the fact that heating demands represent around 80% of the total energy needs in residential buildings, it is of interest to integrate solar thermal systems to supply HVAC services. How ...

Elsevier2018

Energy integration of CO2 networks and Power to Gas for emerging energy autonomous cities in Europe

Luc Girardin, François Maréchal, Raluca-Ancuta Suciu

The concept of urban CO2 networks has been developed to deploy heat pump based district heating and cooling systems in dense urban areas. The use of the CO2 phase change reduces the cost of the heat distribution while allowing to recover waste heat that is ...

2018

Feasibility study of a CO2-based system in NEST

Luc Girardin, François Maréchal, Raluca-Ancuta Suciu

The NEST building laboratory of Empa and Eawag is a modular research and innovation demonstrator where new technologies, materials and systems are tested, researched, honed and validated in realistic conditions. In the NEST concept, only the supporting str ...

Industrial Process and Energy Systems Engineering Group, EPFL Valais Wallis2017

Integration of CO2 networks and Power to Gas for emerging energy autonomous cities in Europe

Luc Girardin, François Maréchal, Raluca-Ancuta Suciu

CO2 is used more and more as a refrigerant in the commercial and food retail industries and a majority of experts believe that its share in the field of residential heating, commercial refrigeration and mobile air conditioning across Europe will be higher ...

2017

Towards energy-autonomous cities using CO2 networks and Power to Gas storage

François Maréchal, Paul Michael Stadler, Araz Ashouri, Raluca-Ancuta Suciu

Under Energy Strategy 2050, the federal government of Switzerland plans to greatly reduce per capita energy consumption, decrease the share of fossil fuels, and replace the nuclear electricity generation by gains in efficiency and use of renewable energy s ...

2016