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solidification or shape optimization
􀂄 Application to shape optimization is very promising
􀂄 Fixed mesh
􀂄 Modification of topology possible
14 it.
9
U N I V E R S I T Y o f L i è g e
–
AUTOMOTIVE Engineering
INTRODUCTION SIMULATION & OPTIMIZATION CLEAN PROPULSION TECHNO CONCLUSION
SIMULATION / OPTIMIZATION OF MEMS
􀂄 Simulation of multiphysics
problems: application to
MEMS
􀂄 Monolithic simulation of
strongly coupled problems:
mechanical deformations and
vibrations, electric and
magnetic fields, fluid flows…
􀂄 Optimization of shape and
topology using material
distribution method or XFEM
􀂄 Technology transferred to
OOFELIE (Open Engineering
S.A.)
U N I V E R S I T Y o f L i è g e
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AUTOMOTIVE Engineering
INTRODUCTION SIMULATION & OPTIMIZATION CLEAN PROPULSION TECHNO CONCLUSION
CLEAN PROPULSION
TECHNOLOGIES
10
U N I V E R S I T Y o f L i è g e
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AUTOMOTIVE Engineering
INTRODUCTION SIMULATION & OPTIMIZATION CLEAN PROPULSION TECHNO CONCLUSION
HYBRID ELECTRIC VEHICLES
􀂄 Ten year ago, research
activities of the automotive
group moved from engines to
electric and hybrid vehicles
􀂄 Simulation and optimization of
hybrid electric (/hydraulic)
vehicles
􀂄 Experimental validation
􀂄 Several test facilities: chassis
dynamometer, test beds for IC
engine, batteries and electric
propulsion systems...
􀂄 Transfer of technology to Green
Propulsion SA, spin off of ULg
Automated manual
Transmission
Turbo Diesel
Engine
Induction electric machine:
Acceleration assist
Regenerative Braking
Stop / Start
Ni-MH battery
U N I V E R S I T Y o f L i è g e
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AUTOMOTIVE Engineering
INTRODUCTION SIMULATION & OPTIMIZATION CLEAN PROPULSION TECHNO CONCLUSION
HYBRID ELECTRIC VEHICLES
􀂄 Green Propulsion SA is a spinoff
of the Automotive
Engineering group founded to
promote industrial applications
in HEV
􀂄 Green Propulsion is specialized
in designing and prototyping
hybrid vehicles
􀂄 Modeling and testing of
components: batteries,
motors…
􀂄 Several projects have been
successfully conducted in the
last past years
􀂄 Information available on
www.greenpropulsion.be Renault Kangoo Hybrid
Green Propulsion
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U N I V E R S I T Y o f L i è g e
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AUTOMOTIVE Engineering
INTRODUCTION SIMULATION & OPTIMIZATION CLEAN PROPULSION TECHNO CONCLUSION
FUEL CELL POWERED VEHICLES
􀂄 Research in Fuel Cell
powered vehicles
􀂄 Simulation & Optimization
􀂄 Testing of components
􀂄 Developments of
prototypes
􀂄 Proof of concept with Shell
Eco Marathon competition
􀂄 Top 10 team of the
competition en 2005
(2136 km/ equiv liter of
gazoline)
􀂄 Eco design price in 2004
and 2005
U N I V E R S I T Y o f L i è g e
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AUTOMOTIVE Engineering
INTRODUCTION SIMULATION & OPTIMIZATION CLEAN PROPULSION TECHNO CONCLUSION
FUEL CELL POWERED VEHICLES
􀂄 Collaboration between several
research groups of University of
Liège:
􀂄 Chemical Engineering (Prof. A
Germain): PEM membranes,
fuel cell validations
􀂄 Energy transport (Prof. Lilien):
batteries and super capacitors
􀂄 Conversion of electromagnetic
energy (Prof. Legros &
Genon): motor and power
electronics
􀂄 Thermal energy management
(Prof. Lebrun &
Ngendakumana)
􀂄 Vehicle engineering (Prof.
Duysinx)
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U N I V E R S I T Y o f L i è g e
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AUTOMOTIVE Engineering
INTRODUCTION SIMULATION & OPTIMIZATION CLEAN PROPULSION TECHNO CONCLUSION
ECO EFFICIENCY INDEX
􀂄 Objective comparison of solutions have to be made on
the basis of the life cycle assessments (LCA)
􀂄 Satisfaction of users’ and customers’ needs must also
be taken into account!
􀂄 Development of an ECO EFFICIENCY INDEX =
Satisfaction of needs
Eco score
􀂄 New methodology to assess the satisfaction criteria
􀂄 Results are sometimes surprising and against wellestablished
ideas!
U N I V E R S I T Y o f L i è g e
　
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