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François Maréchal

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Related publications (437)

Thermo-economic process model for thermochemical production of Synthetic Natural Gas (SNG) from lignocellulosic biomass

A detailed thermo-economic model considering different technological alternatives for thermochemical production of Synthetic Natural Gas (SNG) from lignocellulosic biomass is presented. First, candidate technology for processes based on biomass gasificatio ...

Elsevier2009

Thermodynamic analysis and heat integration of wood gasifier-SOFC systems

Stefan Diethelm, François Maréchal, Matthias Dubuis

2009

Methodology for the integration of low temperature district network in urban area

Luc Girardin, François Maréchal, Nicole Calame

The energy services delivered to urban areas in Switzerland make up more than 45% of the national energy consumption. Thus, in the framework of the Tetraener European project, a methodology has been developed to design low temperature thermal networks base ...

2009

Predictive optimal management method for the control of polygeneration systems

François Maréchal

A predictive optimal control system for micro-cogeneration in domestic applications has been developed. This system aims at integrating stochastic inhabitant behavior and meteorological conditions as well as modelling imprecisions, while defining operation ...

Elsevier2009

On the use of process integration techniques to generate optimal steam cycle configurations for the power plant industry

Raffaele Bolliger, Luc Girardin, François Maréchal

The integration of steam cycles in the power plant industry aims at optimizing the conversion of the available heat into mechanical power. The proposed method uses process integration techniques and a multi-objective optimisation procedure to generate opti ...

Aidic Servizi Srl, Via Giuseppe Colombo 81/A, Milano, Mi 20133, Italy2009

Specifying Services for ITIL Service Management

Alain Wegmann, Gil Regev, François Maréchal

The Information Technology Infrastructure Library (ITIL) is a collection of best practices for the management of IT services. ITIL helps organizations to become aware of the business value their IT services provide to internal and external stakeholders. Un ...

2008

Multi-objective Design Optimization of a NGCC Power Plant with CO2 Capture Using Life Cycle Assessment Results

François Maréchal

Multi-objective optimisation methodology is ideally suited to incorporate environmental objectives in the optimal design of energy conversion systems. It is also desirable to optimise life-cycle emissions rather than local emissions only. However, using LC ...

2008

ENERGIS : A Geographical information based system for the evaluation of integrated energy conversion systems in urban areas

Daniel Favrat, Luc Girardin, François Maréchal, Matthias Dubuis

Following the pioneering work of the AGS Tokyo half project, a geographical information system has been developed to model the energy requirements of an urban area. The purpose of the platform is to model with sufficient detail the energy services requirem ...

2008

Heat Exchanger Network (HEN) costs and performances estimation for multi-period operation

Francesca Palazzi, Raffaele Bolliger, François Maréchal

This paper addresses the problem of modeling and estimating the cost of the heat exchanger network (HEN) in multi-period operation using pinch technique concepts. The developed method improves the vertical heat exchanges technique originally proposed by Ah ...

Elsevier2008

Multi-objective optimization of RO desalination plants

François Maréchal, François Vince

A process optimization method has been developed for the design of reverse osmosis (RO) processes. RO process configurations are systematically generated using a flexible superstructure and evaluated by economical (investment and operating costs), technica ...

2008

Gas equilibrium and exergy analysis of the FICFB and Viking gasification concepts

Martin Gassner, François Maréchal

Two biomass gasification concepts, i.e. indirectly heated, steam blown fluidised bed gasification and directly heated, air blown fixed bed gasification are modelled with adjusted equilibrium equations, their energy requirements are integrated and an exergy ...

2008

Predictive Optimal Management Method for the control of polygeneration systems

François Maréchal

Elsevier Science, Reg Sales Off, Customer Support Dept, 655 Ave Of The Americas, New York, Ny 10010 Usa2008

Heat Exchanger Network (HEN) costs and performances estimation for multi-period operation

Francesca Palazzi, Raffaele Bolliger, François Maréchal

2008

Impact Analysis of Carbon Tax on the Renewal Planning of Energy Supply System for an Office Building

Daniel Favrat, François Maréchal

An optimal planning method is proposed for the renewal planning problem of an energy supply system installed into building from economic viewpoint. In this method, the objective function to be minimized is the average annual total cost during the evaluatio ...

2008

Analysing strategic and economic aspects of the competition for the supply of energy services in urban areas. The case of Energy Services Companies (ESCO)

Gustave Nguene, François Maréchal, Matthias Finger

2007

An energy management method for the food industry

Damien Muller, François Maréchal

This article presents a method aimed at tracking energy saving opportunities in the food-processing industry through a combination of top-down and bottom-up approaches. On the one hand, the top-down modelling method aims at correlating the measured energy ...

Elsevier2007

Evaluation of Natural Gas Combined Cycle Plants in China through Environomic Modeling and Multi-objective Optimization

Daniel Favrat, Hongtao Li, François Maréchal

Due to the requirements of lower capital investment, higher operational flexibility, and the pressures from environmental legislations on local pollutants and global greenhouse gases (GHGs) emissions, power generation market is in favour of natural gas bas ...

2007

Reducing carbon dioxide emissions by gas turbine processes | [CO2-Reduktion bei gasturbinen-prozessen]

François Maréchal

Selective process modifications were considered among the possible process variations for carbon dioxide separation in natural gas fired combined gas and steam turbine power plants that differ greatly among themselves in terms of additional expense (effici ...

2007

Thermo-economic Optimization of a Solid Oxide Fuel Cell, Gas Turbine Hybrid System

Daniel Favrat, Jan Van Herle, Francesca Palazzi, François Maréchal, Nordahl Autissier

Large scale power production benefits from the high efficiency of gas-steam combined cycles. In the lower power range, fuel cells are a good candidate to combine with gas turbines. Such systems can achieve efficiencies exceeding 60%. High temperature Solid ...

2007

Methodology for the optimal thermo-economic, multi-objective design of thermochemical fuel production from biomass

Martin Gassner, François Maréchal

This paper addresses a methodology for the optimal conceptual design of thermochemical fuel production processes from biomass. A decomposed modelling approach with separate energy-flow, energy-integration and economic models is presented and coupled to mul ...

2007

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