2014 Wind Plant Reliability Workshop

Sandia National Laboratories Wind Program Project Posters

August 26, 2014

7:00 am – 8:00 am – Continental Breakfast, Check-in, and Registration

8:00 am – 9:30 am – Welcome and Opening Remarks

  • Setting the Stage for the Policies and Research Leading to the Next Generation of Rotor Blade Technology
    Speaker Welcome: D. Todd Griffith, Workshop Chairman, Sandia National Laboratories
    US DOE Wind Energy R&D Update: Jose Zayas, DOE/ EERE Wind and Water Power Technologies Office
  • Keynote Speaker: U.S. Senator Jeff Bingaman, New Mexico (retired)
  • Blade Market and Technology Trends Update: Aaron Barr, MAKE Consulting

10:00 am – 12:00 pm – Turbine and Blade Manufacturers

Recent Accomplishments and Future R&D Needs: The Manufacturer’s Perspective
  • Siemens Update and Perspective on Rotors: Kevin Standish, Siemens Windpower
  • General Electric Update and Perspective on Rotors: Steve Johnson, General Electric
  • LM Blades & Leading Edge Erosion Protection: Michael D. Haag,  LM Windpower
  • AMI (Advanced Manufacturing Initiative) Final Report: Stephen Nolet, TPI Composites
  • Envision Rotor R&D: Kristian Godsk, Envision Energy

12:00 pm – 1:30 pm – Lunch Turbine and Blade Manufacturers Panel Discussion

1:30 pm – 3:00 pm – Developer, Owner, and Operator Perspectives

Gaining an Understanding of How Rotors are Performing in the Field: Operational Experiences and Insights
  • Field Trials of Vortex Generators: Ron Grife, EDP Renewables
  • Iberdrola Renewables Rotor Performance and Reliability: Nick Johansen & David Coffey, Iberdrola Renewables
  • Rotor Performance and Reliability at NextEra: Dan Brake, NextEra Energy Resources

3:00 pm – 3:30 pm – Refreshment Break

3:30 pm – 5:00 pm – Wind Plant Performance Research

From Research to Operation, What is the Recent Research in Improving the Performance and Reliability of Wind Farms of Today and Tomorrow?

  • US DOE Wind Plant Research Overview: Mike Robinson, DOE/EERE Wind and Water Power Technologies Office
  • Wind Plant Simulation Efforts at NREL: Matt Churchfield, National Renewable Energy Laboratory
  • Wind Plant Performance Research & Wakes Measurement at Texas Tech University: John Schroeder, Texas Tech University
  • Scaled Wind Farm Technology Facility Modeling: Fotis Sotiropoulos, University of Minnesota

6:00 pm – Reception hosted by BASF

August 27, 2014

7:00 am – 8:00 am – Continental Breakfast

8:00 am – 9:40 am – Manufacturing Trends

  • US Manufacturing Competitiveness – Blades: Patrick Fullenkamp, GLWN
  • BladeMaker Project: Christian Dörsch, Fraunhofer IWES
  • IEC 61400-5 Blade Design Standard Update: Dayton Griffin, DNV GL
  • Modular Blade Design & Manufacturing: Kyle Wetzel, Wetzel Engineering
  • Blade Market and Technology Trends Update: Aaron Barr, MAKE Consulting

9:40 am – 10:10 am – Refreshment Break

10:10 am – 11:50 am – Blade Reliability: Operations & Maintenance

  • Reliability Trends: Matt Malkin, DNV GL
  • Digital Blade Maintenance Management: James Parle, Muir Data Systems
  • Ground Based Wind Turbine Blade Inspection System: John Lindberg, EPRI, & John Newman, Digital Wind Systems, Inc.
  • Results from WINDIE Experiment to Characterize Inspection Methods for Wind Blades and Use of Probability of Detection Studies to Quantify NDI Performance: Stephen Neidigk, Dennis Roach, Tom Rice, Sandia National Laboratories 

11:50 am – 1:10 pm – Lunch

  • Sandia Renewable Energy Brief: Carol Adkins, Sandia National Laboratories

1:10 pm – 2:50 pm –Blade Reliability: Testing, Damage and Repair Fatigue Test Methods for Rotor Blades: Tim Westphal, WMC

  • Blade Testing Trends: Michael Desmond, National Renewable Energy Laboratory
  • Blade Repair & Defects Database: Find Jensen, Bladena
  • Composite Materials & Damage Modeling: Bent Sørensen, Technical University of Denmark (DTU)

2:50 pm – 3:20 pm – Refreshment Break

3:20 pm – 5:00 pm – Materials TrendsComposites Testing Trends:David Miller,Montana State University

  • Advances in High Modulus Glass Fibers for Wind Turbine Blades: Tom DeMint, Owens Corning
  • Optimizing the Performance of Rotor Blades through Material Combinations: Sulivan Dias, Borges Vianna, BASF
  • Carbon Fiber Composites in Wind Energy: Challenges and Solutions:Chris Shennan, Hexcel

Track 2: Blade Research and Development Aerodynamics, Aero-acoustics, Blade Design, and New Rotor Design Concepts: Emerging Blade Research Leading to Larger and More Cost-Effective Rotor Systems

8:00 am – 9:40 am – Blade Design

  • Aero-structural Blade Design: Carlo Bottasso, TU-Munich
  • Wakes & Rotors: The National Rotor Testbed: David Maniaci, Sandia National Laboratories
  • Hurricane-Resistant Rotor Design: Amool Raina, Wetzel Engineering

9:40 am – 10:10 am – Refreshment Break

10:10 am – 11:50 am – Blade Design (continued)

  • (UNABLE TO ATTEND) Thick Airfoil Development at ECN: Francesco Grasso, Energy Centre of the Netherlands (ECN)
  • An Update on the Sandia 100-meter Blade Project: D. Todd Griffith, Sandia National Laboratories
  • 10MW Rotor Optimization: Fred Zahle, Technical University of Denmark (DTU)
  • Passive Aerodynamic Devices: Raphael de Rocca-Serra, Alstom
  • Hurricane-Resistant Rotor Design: Amool Raina, Wetzel Engineering

11:50 am – 1:10 pm – Lunch

  • Sandia Renewable Energy Brief: Carol Adkins, Sandia National Laboratories

1:10 pm – 2:50 pm – Aerodynamics and Aero-Acoustics

  • Aeroacoustics and Blade-tip Research: Stefan Herr, General Electric
  • Leading Edge Erosion Research: Case Van Dam, University of California, Davis
  • Development of Testing Capability for Investigating Unsteady Aerodynamics of Wind Turbine Blades: Jonathan Naughton, University of Wyoming

2:50 pm – 3:20 pm – Refreshment Break

3:20 pm – 5:00 pm – New Design Concept Studies

  • Vertical Axis Wind Turbines, Aerodynamic Codes & Design: Carlos Simao-Ferreira, TU-Delft
  • Downwind Rotor Design: Eric Loth, University of Virginia
  • Technical University of Denmark Smart Rotor Research: Helge Madsen, Technical University of Denmark (DTU)

August 28, 2014

7:00 am – 8:00 am – Continental Breakfast

8:00 am – 10:00 am – A2e Wind Plant Reliability Strategic Meeting

A follow-up on the planning of the A2e Reliability Thrust Area. Previous publications can be found here. This meeting is being organized by Carsten Westergaard and Jonathan Keller.

Welcome and Introduction
We encourage an open dialogue in the meeting and interactions during presentations.

  • Welcome and Workshop participants introduction: Dr. Carsten Westergaard, SNL
  • Atmosphere to Electrons (A2e) Initiative Overview: Dr. Jon Keller, NREL
  • Atmosphere to Electrons (A2e) Wind Plant Reliability, overview and status: Dr. Carsten Westergaard, SNL

10:00 am – 10:15 am – Break
10:15 am – 10:45 am – Prepared Presentations
We encourage an open dialogue in the meeting and interactions during presentations.

  • International collaboration opportunity for the A2e program: Dr. Xiao Chen, National Laboratory of Wind Turbine Blade Research & Development Center: Chinese Academy of Sciences
  • Prepreg for Large Wind Blades, Shubang Gan: Polymeric Composite Laboratory, Seattle
  • A Note on Site Specific Wind Conditions: Carsten Westergaard on behalf of Emil Moroz
  • Blade Reliability: Ron Grife, EDPR

10:45 am – 12:00 pm – Open Forum, Discussion and Conclusion

Feel free to bring a few slides or request a few minutes to give a statement.

National Rotor Testbed Project Review
Modern, open-source blade designs are planned to support future research campaigns at SWiFT. Researchers with relevant experience are cordially invited to review existing project work and to influence the final design. The blades will support validation to enable improved blade technology and improved understanding of turbine-turbine interaction. Blade aeroelastic behavior, near and far wake characteristics, and scaling relationships are topics of particular interest.
Please direct questions to the organizer, Brian Resor.

8:00 am – 8:15 am – A2e Overview

8:15 am – 9:45 am – Model validation approaches, wind tunnel and SWiFT test objectives, introduction to scaling metrics

9:450 am – 10:15 am – Break

10:15 am – 12:00 pm – Facilitated smaller group discussions on specific topics such as:

  • aero sensors,
  • wake measurements,
  • wind tunnel tests,
  • airfoils/Re number effects,
  • field testing challenges (uncontrolled inflow)

12:00 pm – 1:00 pm – Lunch
1:00 pm – 1:30 pm – Recap morning session and Introduction to the National Rotor Testbed
1:30 pm – 3:00 pm – Discussion of NRT design approach—focusing on SWIFT scale design—Overview of:

  • proposed requirements and scaling metrics
  • subscale rotor design approach
  • characterization of airfoils at subscale Reynolds numbers

3:00 pm – 3:30 pm – Break

3:30 pm – 4:30 pm – Final small group discussions, collect/document summary thoughts, wrap-up, and closing

Blade Reliability Collaborative & Structural Health Monitoring Workshop

A review of the Blade Reliability Collaborative project which focuses on the manufacturing and operational causes of premature blade failure, including Effects of Defects, Non-Destructive Inspection, Leading Edge Erosion, and Blade Repair. The workshop will also include a discussion of Structural Health Monitoring of blades in operation.
Please direct questions to the meeting organizers, Joshua Paquette and D. Todd Griffith.

8:00 am – 8:30 am – Introduction and Overview of the Blade Reliability Collaborative and Structural Health Monitoring Projects at Sandia

8:30 am – 9:45 am – Non-Destructive Inspection of Wind Blade Composite Structures

  • Results of Initial Screening Experiment
  • Manufacturing Floor Inspection Survey
  • NDI Probability of Inspection Experiment
  • Field Inspection Methods Study

9:45 am – 10:15 am – Break

10:15 am – 12:00 pm – Effects of Defects

  • Experimental and Computational Study on Waves, Porosity, and Disbonds
  • Probabilistic Modeling of Flaws in Blades
  • Influence of Manufacturing Process Parameters on Flaw Development
  • Survey of Repair Methods and Future Research

12:00 pm – 1:00 pm – Lunch

1:00 pm – 3:00 pm – Structural Health Monitoring
This portion of the meeting will include presentations on SHM of the rotor including discussions on damage techniques, sensing approaches, key damage mechanisms, and economics of SHM systems. Presentations will be given by representatives from industry, universities, and national laboratories.

3:00 pm – 3:30 pm – Break

3:30 pm – 4:30 pm – Leading Edge Erosion

  • Data gathering from eroded blades
  • Wind Tunnel Testing of Simulated Erosion Specimens
  • CFD Model Development and Verification
  • Impacts on Energy Production

4:30 pm – 5:00 pm – Feedback

The 2014 Wind Turbine Blade Workshop will be held at the Albuquerque Marriott Pyramid North

5151 San Francisco Rd NE,
Albuquerque, NM 87109
Phone:(505) 821-3333

Please book your room here: https://resweb.passkey.com/go/windturbineblade2014