BruWind Presentation Research Topics
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Brussels Wind Energy Research Institute is joining the efforts of several research groups active in the field of wind energy. Its research program covers several aspects of modern wind turbine technology.
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- 1.
- 2. Wind Topics @ BruWind Research Groups
- Research group: Acoustics and Vibration AVRG
- Topics: Operational Modal Parameter Estimation, Load and Source
Identification,
- Structural Health Monitoring, Advanced measurement
techniques
- Research group: Mechanics of Materials and Constructions
MEMC
-
- Topics: Composite materials, Biaxial Material Behavior,
Subcomponent testing
- Aerodynamics and Aeroelastics
- Research group: Fluid Mechanics & Thermodynamics FTRG
-
- Topics: CFD simulation over complex terrains, Wind Farm
Optimization
-
- Simulation of individual wind turbines
- Research group: Industrile Wetenschappen en Technologie
IWT
- Topics: Siting studies en wind resource assessment using CFD
and wind measurements
- Sensors and measurement techniques
- Research group: Electrochemical and Surface Engineering
SURF
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- Topics: Corrosion management Corrosion sensors
- Research group: Vakgroep Toegepaste Natuurkunde & Fotonica
- TONA
- Topics: Optical Fiber Sensors
- 3. Wind Topics @ BruWind Research Groups Generator, Power
Electronics, Grid Integration Research group : Electrical
Engineering and Power Electronics ETEC Topics: Monitoring, Grid
intergration Control Systems and Automation Research group : MECH
Topics: Controle algorithms Environmental Issues Research group :
Acoustics and Vibration AVRG Topics: Noise Pollution Trading
Energy, Wind energy Economics Research group : Bedrijfseconomie en
strategisch beleid - BEDR Topics: Wind energy Economics
- 4. AVRG Research Dynamic Behavior of Wind Turbines
- Operational Modal Parameter Identification
- Development of OMA techniques using transmissibility
measurements
- Development of Operational Modal Analysis with Exogenous
inputs
- Development of OMA solutions for non white-noise excitations
and harmonics 1P, 3P, ..
- Project: Operational Modal Analysis using transmissibility
measurements (FWO Christof Devriendt)
Transmissibility Function is a ratio between 2 responses measured
during a certain loading condition
- 5. AVRG Research Load and Source Identification
- Load and Source Identification
- Identifying time-varying wind loads on structures from in situ
vibration response data using inverse methods
- Identifying acoustic sources on structures from in situ
pressure data using inverse methods
- Project : Inverse identification of wind loads on structures
(FWO project ism KULeuven)
{Q} {P} [H] -1 {Q} [H]
- 6.
- Structural Health Monitoring of Wind Turbines
- Acquiring and testing state of the art monitoring systems e.g.
fiber optic sensors
- Development of advanced data processing techniques
- SHM of blades, towers and foundations using OMA and
Transmissibility measurements
- Project : Offshore Wind Infrastructure Project (IWT project ism
Sirris)
AVRG Research Structural Health Monitoring The development of an
algorithm for structural health monitoring during changing
operational forces using distributed sensor networks
transmissibility functions as primary data
- 7. AVRG Research Advanced measurement techniques Non-contact
measurement, visualization and analysis of structural vibrations In
combination with Modal Analysis software a strong tool to determine
the resonate frequencies, damping factors and mode shapes Potential
in the fields of modal analysis testing and structural health
monitoring of wind turbines Long distant LDV can measure up to a
distant of 200m Long distant LDV
- 8. CFD Simulations over Complex Terrains FTRG Research CFD
simulations over complex terrains
- Wind Flow over complex terrains
- New Meshing Strategies (unstructured grids)
- CFD is used to predict the wind over complex terrains
- Work together with Von Karman Institute
-
- COOLFluiD code
(http://coolfluidsrv.vki.ac.be/trac/coolfluid)
-
- RANS approach with wall functions
- 9. CFD Simulations over Complex Terrains FTRG Research Wind
Farm Optimization Wind Farm Layout optimization Wind Farm Control
optimization
- Work together with Von Karman Institute
-
- CFD simulations (COOLFluiD)
-
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- Wind turbines modeled using actuator disk
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- Robust optimization using non-deterministic methods
- Two optimizations are considered
-
- Wind farm layout: positioning of wind turbines in the farm
-
- Wind farm control: power setting of individual turbines for max
wind farm production
NOT acceptable layout Acceptable layout
- 10. CFD Simulations over Complex Terrains FTRG Research
Simulation of individual wind turbines
- Full 3D CFD simulations of individual wind turbines
-
- prediction of power curve
-
- optimization of blades for improved efficiency
Simulation of NREL windturbine: V=7m/s; Re=4E6 Massive separations
near blade root Streamlines of the flow on the blade
- 11. MEMC Research in the field of Wind Biaxial Material
Behavior => Experimental data needed In-plane loading of
cruciform specimen Biaxial behavior in e.g. wind tubine blade
Biaxial test method at MeMC Cruciform specimen design Glassfibre
reinforced epoxy material Layup frequently used for wind turbine
blades (LM Glassfibre)
- 12. MEMC Research in the field of Wind Subcomponent testing
Tests at the moment : small coupon tests or real blade tests Aim =
tests at mid-scale => subcomponent tests 4-point bending and
cantilever tests on I-beams to test bonding in real blade Acoustics
& Vibration Research Group Vrije Universiteit Brussel C.
Ramault 1 , A. Makris 1 , D. Van Hemelrijck 1 , E. Lamkanfi 2 , W.
Van Paepegem 2 Optimat Blades Project & Upwind Project sandwich
Blade root Flanges, web, bondlines
- 13. SURF Research Corrosion management Corrosion management, by
- Potential model (distribution), together with Elsyca (SURF
Spin-off)
- Including cathodic protection (CP) predictions
- Possibility to integrate specific corrosion effects (local
corrosion, galvanic coupling)
- Influence of liquid film on structure
- Influence of evolving splash zone
- Sensor to detect and quantify corrosion taking place on
structure
- Continuous and in-line monitoring (condition monitoring)
- Can be coupled with CP to reduce CP cost
- Used to schedule repainting / repair cycles
- Can cover specific targets or general structure
Prototype prediction validation
- 14. SURF Research Corrosion sensors
- Based on EIS (Electrochemical Impedance Spectroscopy)
- interpretation step eliminated
- SOIB (Spin-Off in Brussels) project started in 2009
- goal to establish spin-off to produce / distribute a corrosion
sensor in 2013
- No interpretation (simplicity)
- Detects corrosion, not the secondary effects
- 15. TONA RESEARCH Microstructured optical fiber sensors
Microstructured optical fiber sensors successfully embedded in
carbon-fiber reinforced polymer
- Highly improved transverse load sensitivity
- Insensitivity to temperature
- Industrially relevant sensor performance for CFRPs
Transversal load sensitivity of our sensor is 10x larger than in
state-of-the-art fibers
- 16. EhB Research Wind Energy Micro-siting
- Determine optimal location for turbine(s) on given site
- Especially complex terrain, incl. (semi-)built environment
? ? ? ? ?
- 17. EhB Research Wind Energy Micro-siting
- Site geometry from google earth, geographical data, + total
station measurements
- 18.
- Wind measurements 2D cup and 3D ultrasonic
- Combined with historical wind data, power curves of wind
turbines resource assessment
EhB Research Wind Energy Micro-siting
- 19. EhB Research Wind Energy Aero-elasticity
- Flutter prediction methods
- 20. EhB Research Wind Energy Flow control
- Load alleviation through smart blades (flaps, micro-tabs,
vortex generators, ...)
- 21. Ongoing Projects in the field of Wind
- Project: Offshore Wind Infrastrcutere Project Wind (IWT project
ism Sirris)
- Domain : Monitoring van Offshore Wind Turbines - CMS -
O&M
- Research group : Acoustics and Vibration - AVRG
- Contact Person : Patrick Guillaume, Christof Devriendt
- Project: UpWind is a European project funded under the EU's
Sixth Framework Programme (FP6).
- Domain : Composite materials for large blades
- Research group : Mechanics of Materials and Constructions -
MEMC
- Contact Person : Danny Van Hemelrijck
- Project: Wind Farm Optimization Based on CFD Modeling and
Simulations (ism VKI)
- Domain: CFD van Wind Farms en Wind Turbines
- Research group: Fluid Mechanics & Thermodynamics -
FTRG
- Contact Person: Chris Lacor
- Project: Inverse identification of wind loads on structures
(FWO project ism KULeuven)
- Domain: Load and source indentification
- Research group: Acoustics and Vibration - AVRG
- Contact Person: Patrick Guillaume
- 22. Ongoing Projects in the field of Wind
- Project: Gebruik van microwindturbines voor het leveren van
hernieuwbare energie aan particulieren en kleine bedrijven (IWT
Tetra project)
- Domain: Ontwerp nieuwe concepten kleine Wind
TurbinesOnderzoeksgroep:
- Research group: Mechanica Mech
- Contact Person: Mark Runacres, Tim De Troyer
- Project: EMOVO Multidisciplinair onderzoeks- en
vormings-centrum rond energie en milieu technologieen
- Domain: creatie van een multidisciplinair ontwikkellings- en
vormings-centrum rond energie-en milieutechnologien
- Research group : Department Mechanica Mech
- Contact Person: Mark Runacres, Tim De Troyer
- 23. Contact: Dr. ir. Christof Devriendt Vrije Universiteit
Brussel | Pleinlaan 2 | B-1050 Brussel | Belgium Dept. of
Mechanical Engineering | Acoustics & Vibration Research Group
Tel. +32 2 6292390 | Fax +32 2 6292865 | GSM +32 477412049 Mail:
christof.devriendt@vub.ac.be