A5029963620- Integrated Energy Systems Optimization
- Granular flow and fluidized beds
- Hybrid Renewable Energy Systems
- Cyclone Separators and Fluid Dynamics
- Fluid Dynamics and Mixing
- Building Energy and Comfort Optimization
- Smart Grid Energy Management
- Electric Vehicles and Infrastructure
- Wind and Air Flow Studies
- Advanced Battery Technologies Research
- Global Energy Security and Policy
- Climate Change Policy and Economics
- Iron and Steelmaking Processes
- Energy Load and Power Forecasting
- Renewable Energy and Sustainability
- Mineral Processing and Grinding
- Energy and Environment Impacts
- Environmental Impact and Sustainability
- Power Systems and Technologies
- ICT Impact and Policies
- Solar Radiation and Photovoltaics
- Green IT and Sustainability
- Renewable energy and sustainable power systems
- Minerals Flotation and Separation Techniques
- Embedded Systems Design Techniques
Swiss Federal Laboratories for Materials Science and Technology
2019-2024
Paul Scherrer Institute
2011-2014
The planning of future energy policies and systems requires an understanding the intricate relationships between climate change, technology uptake, population growth building demand. Building cooling demand is expected to increase considerably in many parts world as warms on average. In temperate climates, this be particularly large due number days when required maintain a comfortable indoor temperature. We quantify impact device uptake based population-weighted models, scenarios measured...
Decarbonizing the energy system by electrification of heat and transport is only effective when using low-carbon electricity sources. As many countries such as Switzerland rely on imported to meet their demand, greenhouse gas (GHG) content imports must be correctly accounted for. By assuming an average GHG for each amount imported, impacts required in peak periods are underestimated because additional (marginal) demand primarily met with fossil power plants. This study employs a model...
Efforts to reduce carbon intensity of electricity involve increasing shares variable renewable energy (VRE), including a trend towards decentralized generation. Ensuring their high utilization necessitates addressing generation variability at different spatial and temporal scales, likely involving coordination multiple systems (e.g. flexible loads, storage, dispatchable generation). This paper presents methodology for estimating the flexibility required from such synchronized system. The...
This paper introduces a methodology to assess and compare the carbon price marginal impacts (also known as spillovers) of country's generation mix on other countries. The is applied for possible decarbonization pathways from 2018 2030 2040 EU countries, considering foreseen expansion transmission capacities, well nuclear fossil fuel phase-out. Firstly, optimal hourly dispatch power plants computed. Secondly, impact each country overall European electricity system analyzed by removing that...
Energy systems are increasingly exposed to variable surplus electricity from renewable sources, particularly photovoltaics. This study estimates the potential use for power-to-gas with geo-methanation Switzerland by integrated energy system and modelling. Various CO2 point sources assessed concerning exploitable emissions power-to-gas, which were found be abundantly available such that 60 TWh could converted methane, is equivalent of current annual Swiss natural gas demand. However, maximum...
Solar photovoltaics (PV) will play an important role in decarbonising the energy system. To date, most assessments of PV transition pathways focus on least-cost aspects, without neither considering time needed to achieve a substantial deployment, nor impacts regional electricity supply equality. In this work, we propose two alternative expansion strategies for Switzerland: The first strategy prioritises productive roofs and reaches national targets by exploiting minimum number rooftops,...
Electricity-based mobility (EBM) refers to vehicles that use electricity as their primary energy source either directly such Battery Electric Vehicles (BEV) or indirectly hydrogen (H2) driven Fuel Cell (FCEV) Synthetic Natural Gas (SNG-V). If low-carbon is used, EBM has the potential be more sustainable than conventional fossil-fuel based vehicles. While BEV feature highest tank-to-wheel efficiency, can only stored for short durations in system (e.g. via pumped-hydro storage batteries),...
Energy demand of buildings forms a key component energy system analyses. To integrate building into models, detailed simulation every single is impractical and often computationally infeasible. Simulations are therefore typically performed on sample for bottom-up analysis. For simplified representation the stock, grouping clustering widely applied. However, spatiotemporal quantification resulting upscaling errors however lacking. Here, approach all Swiss The error quantified at national,...
Electrifying the energy system with heat pumps and battery electric vehicles (BEV) is a strategy of Switzerland many other countries to reduce CO2 emissions. A large electrification, however, poses several new challenges for electricity system, particularly in combination simultaneous substitution nuclear power plants (NPP) by volatile renewables such as photovoltaics (PV). In this study, these terms additional demands, deficits surpluses well effective mitigation are assessed dynamic...
European countries aim to achieve net zero CO2 emissions by mid-century. Consequently, the energy system and particularly electricity must undergo major changes. An increasing electrification of mobility heating sector is required for decarbonisation, which reserves a central role on path towards emissions. However, meet emission targets, supply originate from low generation sources. According TYNDP 2018 scenarios, in Europe expected predominantly renewable converters, introducing new...
Vertical tubes are commonly used in industrial fluidized beds as heat exchanger tubes. In this study, the influence of vertical tube banks on axial bubble growth a 145-mm inner diameter (ID) bed with Geldart B particles is experimentally investigated by means pressure fluctuation measurement (PFM) and optical probing (OP). The employed bank configurations differ their tube-to-tube spacing, diameter, arrangement (square versus triangular). PFM OP show that immersed banks, irrespective...
The radial distribution of bubble characteristics such as the frequency, size, and rise velocity, is a key to better understanding flow patterns gas (and solids) in bubbling fluidized beds. Therefore, investigated bed with vertical tubes by means optical probes. Measurements are taken for Geldart B particles at two heights, three velocities, tube bank configurations. While frequency shows strong dependence on position orientation tubes, size particular lower portions bed, more constant....
Energy systems are undergoing a profound transition worldwide, substituting nuclear and thermal power with intermittent renewable energy sources (RES), creating discrepancies between the production consumption of electricity increasing their dependence on greenhouse gas (GHG) intensive imports from neighboring systems. In this study, we analyze concurrent electrification mobility sector investigate impact electric vehicles (EVs) large share sources. particular, build an optimization...
Green hydrogen allows coupling renewable electricity to hard-to-decarbonize sectors, such as long-distance transport and carbon-intensive industries, in order achieve net zero emissions. Evaluating the cost value of power-to-gas is a major challenge, owing spatial distribution temporal variability electricity, CO2 energy demand. Here, we propose method, based on geographic information system (GIS) techno-economic modeling, to: (i) compare levelized across locations; (ii) identify potential...