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EUROMECH 508

Wind turbine wakes

Wind turbine wakes are an interesting topic of study, because the momentum deficit and the increased level of turbulence created by turbines in a wind farm may cause a reduction in power output and an increase in unsteady and fatigue loads on downstream located machines. Besides, a good knowledge of the aerodynamics in the near wake is essential to understand the physics of power extraction by wind turbines. The topics to be addressed will include:
Numerical models of wind turbine wakes - single wakes as well as multiple wakes in wind farms. Turbulence closure models. Actuator disk and actuator line models. Experimental work, based on both wind tunnel experiments and full scale field experiments. Flow visualization. Tip vortex properties. Characteristics of the added turbulence created in the wake. Influence of atmospheric stability. Influence of topography. Wake meandering. Fatigue and loads. Offshore wind farms. Strategies for control based on wind turbine wakes.


Date
20 October 2009 - 22 October 2009

Venue
E.T.S.I. Industriales, Universidad Politécnica de Madrid, Spain. You can download useful information about place of meeting, Madrid airport, Madrid public transport, hotel information...

Chairperson:
Prof. Antonio Crespo
Departamento de Ingenieria Energetica y Fluidomecanica. E.T.S.I. Industriales. Universidad Politécnica de Madrid, Jose Gutierrez Abascal, 2, 28006 Madrid, Spain
phone: +34 91 336 3152, fax: +34 91 336 3006, email: crespo@etsii.upm.es

Co-Chairperson:
Prof. Gunner Chr. Larsen
Wind Energy Department. Risø National Laboratory for Sustainable Energy. Technical University of Denmark P.O. 49, DK-4000 Roskilde, Denmark
phone: +45 4677 5056, fax: +45 4677 5083, email: gunner.larsen@risoe.dk

Coordinator:
Prof. Emilio Migoya
Departamento de Ingenieria Energetica y Fluidomecanica. E.T.S.I. Industriales. Universidad Politécnica de Madrid, Jose Gutierrez Abascal, 2, 28006 Madrid, Spain
phone: +34 91 336 3152, fax: +34 91 336 3006, email: emilio.migoya@upm.es

Program and book of extended abstracts
The book of extended abstracts will be printed in black and white, although the web-version is in full colour. You can download the program and extended abstract book

Special issue WIND ENERGY
The format of the full paper to Special issue of Wind Energy is in Wind Energy author gateway. The deadline to send full paper is 30 October. Fifteen papers will be selected for the review process (mid November 2009). 8 – 12 of these papers are expected to be accepted for final publication (matching a size of approximately 100pp of the issue). The expected deadline for the final accepted manuscripts is mid August 2010. All articles accepted before August 2010 will be published online around 6 weeks later and allocated to issue 13:7 to appear in print; Issue 13:7 with the title “Wind turbine Wakes” will appear in October 2010.

Colloquium Fee
176€ (+24€ for non-Euromech members). Please make the transfer to the indicated account number before September 28th 2009. Please fill the EUROMECH508 Registration Form, and if you are not an Euromech member, fill also EUROMECH Membership Application Form; in this last document, you don’t need to fill out the section regarding the payment. Send directly both documents to Euromech508 organizer by fax (+34 91 336 3006) or email (euromech508@etsii.upm.es). This fee covers 3 lunches, 5 coffee sessions, a conference dinner, a book of extended abstracts and the bus tourist tour.

Hotel information
The UPM has an agreement for especial offers with NH Hotels. Three of them are near of the venue. In this moment, 27 July 2009, the special prices to TOPFARM MEETING and EUROMECH 508 from 19 to 22 October are explained in the useful information document . For applying to these offers, the form of the selected hotel ( NHZURBANO, NHBRETON, NHABASCAL ) must be filled up and sent directly to the hotel via fax or email. These offers are valid for booking previous to September 20 .

Presentations
Presentations have been alphabetically ordered by first author family name:
* If the first name is blue and underlining, the presentation is available.
* If the first name is blue but not underlining, the author has not provided the presentation yet.
* If the first name is black, the author rejects to put the presentation on the web.

Barthelmie Improved modelling of power output in large offshore wind farms based on data from Nysted and Horns Rev
Brand A wind farm model in the context of distributed control
Buhl Wind farm optimization with structured and un-structured grids
Cabezón Comparison of turbulence models for the CFD simulation of wind turbine wakes in the Atmospheric Boundary Layer
Calaf Large Eddy Simulation study of fully developed wind-turbine array boundary layers
Carlén TOPFARM - A study on Wind Sector Management
Cleve Wake Flow Model for Large Wind Farms
Crasto RANS simulations of a wind-farm with the application of the actuator disc concept
Crasto Validation of wake analytical models of WindSim in neutral conditions in a offshore wind-farm.
España Temporal and spatial study of the meandering phenomenon
Ferreira Experimental and numerical investigation of the 3D VAWT wake
Hahm LES-simulation of a turbulent and meandering wake
Hansen LiDAR measurements of full scale wind turbine wake characteristics
Hedevang Extensions of the Jensen wake model for wind farm flows
Hunt Mesoscale and turbulence effects on wind farms
Ivanell ACD modelling of wake interaction in Horns Rev wind farm
Jiménez, A. Analysis of a wind turbine wake using a LES method. Application to wake meandering
Jiménez, A. Influence of topography and wakes on wind turbulence. Measurements and interpretation of results
Jiménez, J. Direct Simulations of Wall-Bounded Turbulence
Käsler Wake measurements of a multi-MW wind turbine with long range lidar
Knudsen Prediction Models for Wind Speed at Turbines in a Farm with Application to Control
Kuik On actuator disc force fields generating vorticity
Larsen, G.C. An eddy viscosity model tailored for the DWM model
Larsen, G.C. Do wind farms influence large scale turbulence?
Larsen, G.C. The dependence of wake losses on atmospheric stability characteristics
Larsen, T.J. Recent developments of the DWM model implemented in HAWC2
Madsen A quasy 3D computation of multiple wakes using a boundary layer equation BLE model
Markou Potential load reductions on MW turbines exposed to wakes using individual pitch wake compensator and trailing edge flaps
Masson Use of actuator disk and actuator surface methods for the aerodynamic modeling of wind Turbines
Meister Development of a process chain for detailed wake simulation of horizontal axis wind turbines
Micallef Comparison and validation of BEM and free wake unsteady panel model with the MEXICO rotor experiment
Migoya Stochastic simulation to study wake meandering using UPMPARK
Mikkelsen Meandering Wake Characteristic Derived from Actuator Line Simulations of Wind Turbine Wakes
Moriarty Universal Benchmarks for Wind Turbine Wake and Wind Farm Models
Nielsen Stochastic simulation of wake meander and turbulence in a wind farm
Olsen Wake effects on wind turbine loading
Ott Fast linearized models for wind turbine wakes
Pascheke: Wind tunnel simulation of the wakes of large wind turbines in off-shore stably stratified flow
Prospathopoulos Enhanced CFD Modeling of Wind Turbine Wakes
Réthoré Turbulence Closure Strategies for Modelling Wind Turbines Wake in Atmopsheric Turbulence
Sanderse Energy Preservation in the Numerical Calculation of Wind Turbine Wakes
Schlez Modelling Very Large Wind Farms Offshore and Onshore
Sood Decaying Coherent Eddy Structures and Turbulent Fluctuations in Wind Turbine and Wind Farm Wakes - analysis of airborne measurements
Sørensen Actuator disc momentum theory for low lambda rotors
Steinfeld Development of a Large-eddy simulation (LES) model for modelling the far-wake effects of offshore windfarms
Troldborg Numerical simulations of wake interaction between two wind turbines at various inflow conditions
Trujillo Measurements of a multi-MW turbine near-wake using lidar from the nacelle

EUROMECH508 Registration Form

EUROMECH Membership Application Form

Program, sessions, list of authors and extended abstracts

Useful information: place of meeting, Madrid airport, Madrid public transport, hotel information...

Booking Application Form to NH Zurbano

Booking Application Form to NH Breton

Booking Application Form to NH Abascal

Schematic map of the Madrid underground network

Geographical map of the Madrid underground network

Tourist map of Madrid city

Useful links
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