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Optimal Design of Solar Assisted Hydrothermal Gasification for Microalgae to Synthetic Natural Gas Conversion

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Disruption mitigation efficiency and scaling with thermal energy fraction on ASDEX Upgrade

Basil Duval, Umar Sheikh, Gergely Papp

Disruption mitigation remains a critical and unresolved issue for ITER. Measurement uncertainties preventing quantification of a system's efficacy remains a significant hurdle in producing and validating a viable disruption mitigation system. This study ad ...

2020

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Due to climate change and the need to decrease the carbon footprint of urban areas, there is an increasing pressure to integrate renewable energy and other components in urban energy systems. Most of the models or available tools do not provide both an eco ...

2019

Next generation cogeneration system for industry - Combined heat and fuel plant using biomass resources

François Maréchal, Adriano Viana Ensinas, Ayse Dilan Celebi

The requirement for sustainable development has prompted the researchers to explore solutions for better utilization of renewable energy resources in the future. Biomass is a promising resource and it can be converted to multiple products and services incl ...

2019

Comparative exergy and economic assessment of fossil and biomass-based routes for ammonia production

François Maréchal

The use of biomass gasification for partially or totally replacing methane in the integrated syngas and ammonia production plant is compared with the performance of the conventional route, typically based on steam methane reforming. However, by undertaking ...

PERGAMON-ELSEVIER SCIENCE LTD2019

Thermochromic coatings for overheating protection of solar thermal collectors - Towards industrial implementation - Annual Report 2019

Andreas Schueler, Anna Krammer

With the advent of a new generation of switchable absorber coatings, overheating and the resulting stagnation of solar thermal collectors – until recently a common problem even in central European latitudes – can be successfully overcome. Based on thermoch ...

2019

Thermal design and full-scale thermal response test on Energy Walls

Lyesse Laloui, Alessio Ferrari, Jacopo Zannin

Energy geostructures (EG) are an innovative technology in the sustainable energy agenda that can be used to satisfy the heating and cooling needs of the built environment. EGs include several types of geostructures such as piles, walls, tunnels, shafts, se ...

ES3 Web of Conferences2019

Solar thermal and geothermal integration with low temperature CO 2 DENs

François Maréchal, Luc Girardin, 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

Solar-Driven High-Temperature Electrolysis Reactor for Fuel Processing

Meng Lin

Solar-driven high-temperature electrolysis (HTE) and thermochemical cycles (TCC) are two promising pathways for fuel processing and energy storage, which are considered in this thesis. The goals of this thesis are: i) offering engineering guidelines at sys ...

EPFL2018

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Pinch analysis and Mixed Integer Linear Programming (MILP) have been extensively studied for optimization of industrial processes addressing heat recovery, utility selection and sizing. Analysis of renewable utility integration, such as solar thermal or ph ...

2018

Solar energy offers a great potential for integration with industrial processes, which conventionally rely on fossil fuels to provide energy. The seasonal, daily, and regional dependence of solar energy alongside the scarcity of space or financial resource ...

EPFL2018