Fields of expertise
Energy conversion and process modeling
Rational Use of Energy
Teaching and research in the field of computer aided process and energy conversion systems analysis and synthesis. Application of computer based methods for the analysis, the design and the optimisation of industrial processes and efficient energy conversion systems.
Major research topicsProcess integration techniques, exergy analysis, process modelling and thermo-economic optimisation. Process synthesis methodologies, application and development of computer aided process engineering methods : data reconciliation, simulation, process integration, mixed integer linear and non linear programming, multi-objective optimisation.
Research goals : Integrated processes and energy conversion systems that integrate renewable energy resources and that supply multiple energy services are a key issue for our energy future. The development of advanced computer aided methodologies combining thermodynamics and optimisation techniques will help engineers in the development of more efficient and more sustainable processes and energy conversion systems that will supply the energy for the future generations.
Major teaching activitiesAdvanced energetics (process integration), exergy analysis, process optimisation and modelling, energy audits and energy conversion systems for masters in mechanical and electrical engineering, engineers in physics, energy and electrical engineering postgraduate programs and doctoral school.
Teaching goals : computer aided project based teaching improves teaching efficiency and allow to bridge the gap between teaching and research activities. By this concept, the student acquire a better know-how that is afterwards valorized in the research activities as well as in their professional life.
Ph D. in engineering Chemical process engineer
Researcher and lecturer in the field of computer aided process and energy systems engineering.
Lecturer in the mechanical engineering, electrical engineering and environmental sciences engineering in EPFL.
I'm responsible for the Minor in Energy of EPFL and I'm involved in 3 projects of the Competence Center in Energy and Mobility (2nd generation biofuel, Wood SOFC, and gas turbine development with CO2 mitigation) in which i'm contributing to the energy conversion system design and optimisation.
Short summary of my scientific carrer
After a graduation in chemical engineering from the University of Liège, I have obtained a Ph. D. from the University of Liège in the LASSC laboratory of Prof. Kalitventzeff (former president of the European working party on computer aided process engineering). This laboratory was one of the pioneering laboratory in the field of Computer Aided Process Engineering.
In the group of Professor Kalitventzeff, I have worked on the development and the applications of data reconciliation, process modelling and optimisation techniques in the chemical process industry, my experience ranges from nuclear power stations to chemical plants. In the LASSC, I have been responsible from the developments in the field of rational use of energy in the industry. My first research topic has been the methodological development of process integration techniques, combining the use of pinch based methods and of mathematical programming: e.g. for the design of multiperiod heat exchanger networks or Mixed integer non linear programming techniques for the optimal management of utility systems. Fronted with applications in the industry, my work then mainly concentrated on the optimal integration of utility systems considering not only the energy requirements but the cost of the energy requirements and the energy conversion systems. I developed methods for analysing and integrating the utility system, the steam networks, combustion (including waste fuel), gas turbines or other advanced energy conversion systems (cogeneration, refrigeration and heat). The techniques applied uses operation research tools like mixed integer linear programming and exergy analysis. In order to evaluate the results of the utility integration, a new graphical method for representing the integration of the utility systems has been developed. By the use of MILP techniques, the method developed for the utility integration has been extended to handled site scale problems, to incorporate environmental constraints and reduce the water usage. This method (the Effect Modelling and Optimisation method) has been successfully applied to the chemical plants industry, the pulp and paper industry and the power plant. Instead of focusing on academic problems, I mainly developed my research based on industrial applications that lead to valuable and applicable patented results. Recently the methods developed have been extended to realise the thermoeconomic optimisation of integrated systems like fuel cells. My present R&D work concerns the application of multi-objective optimisation strategies in the design of processes and integrated energy conversion systems.
Since 2001, Im working in the Industrial Energy Systems Laboratory (LENI) of Ecole Polytechnique fédérale de Lausanne (EPFL) where Im leading the R&D activities in the field of Computer Aided Analysis and Design of Industrial Energy Systems with a major focus on sustainable energy conversion system development using thermo-economic optimisation methodologies. A part from the application and the development of process integration techniques, that remains my major field of expertise, the applications concern :
- Rational use of water and energy in Industrial processes and industrial production sites : projects with NESTLE, EDF, VEOLIA and Borregaard (pulp and paper).
- Energy conversion and process design : biofuels from waste biomass (with GASNAT, EGO and PSI), water dessalination and waste water treatment plant (VEOLIA), power plant design (ALSTOM), Energy conversion from geothermal sources (BFE).
- Integrated energy systems in urban areas : together with SCANE and SIG (GE) and IEA annexe 42 for micro-cogeneration systems.
I as well contributed to the definition of the 2000 Watt society and to studies concerning the emergence of green technologies on the market in the frame of the Alliance for Global Sustainability.
|Chemical Engineer (ing�nieur Civil Chimiste)||Universit� de Li�ge (Belgium)||1986|
|Ph D. in Applied Sciences||Energy analysis and synthesis of industrial sites||University of Li�ge (Belgium)||1995|
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