Liten is a major European research institute and a driving force behind the development of the sustainable energy technologies of the future. The institute is spearheading the EU’s efforts to limit dependency on fossil fuels and reduce greenhouse gas emissions in three key areas: renewable energy, energy efficiency/storage and development of materials.
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Liten's research teams work across a vast portfolio of renewable energy technologies. Cutting-edge photovoltaic technologies are developed at INES, the French National centre for solar research and R&D with Hydrogen and Biomass activities being managed from the LITEN's main site in Grenoble, Rhone-Alpes.
“Radically improving energy efficiency will reduce the need for investment in energy infrastructure, cut fuel costs, increase competitiveness, lessen exposure to fuel price volatility, increase energy affordability for low-income households and cut local and global pollutants improving consumer welfare” Source OECD Energy report, 2014
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Transverse activities help add value to our technology portfolio. An optimised modeling and characterisation model, for example, can help reduce time to market. Browse this section to find out more....
News | New technologies
Software and systems engineering
Heat exchangers are home to phenomena ranging from fluid mechanics and thermodynamics to fouling—making the systems multi-scale by their very nature. Researchers at Liten, a CEA Tech institute, turned to parametric optimization to design the most “manufacturable” optimized shapes.
The researchers started by creating a metamodel using a method called “kriging” to rapidly change the design parameters. The resulting response surfaces were then explored so that the optimal set of parameters could be determined. For this step, the researchers used genetic algorithms (Pareto front) to change the parameters based on the results of previous parameters until they produced the solutions with the best compromises.
They implemented the technique on a heat-exchanger technology on local geometric parameters (elementary patterns) and broader parameters (distributor) to compare the performance of the initial and optimized designs. The technique could be of interest to companies across a range of industries. The case the researchers investigated focused on reducing diesel engine EGR valve fouling.
CEA is a French government-funded technological research organisation in four main areas: low-carbon energies, defense and security, information technologies and health technologies. A prominent player in the European Research Area, it is involved in setting up collaborative projects with many partners around the world.