DNVGL.com

Breadcrumbs

Publications

Browse and download our whitepapers, magazines and published papers

Limit to

22 Publications items found. If you can't find what you are looking for, please try our site search instead.

  • Definitions of availability terms for the wind industry - white paper
    09 August 2017 | Energy | Wind energy | Whitepaper

    Definitions of Availability Terms for the Wind Industry

    White paper about the understanding and comparing various forms of availability reporting.
  • A sustainable future will be hybridized
    14 June 2017 | Energy | Wind energy | Distributed energy systems | Report

    A sustainable future will be hybridized

    Presentation at the Windday Conference on 14 June 2017
  • WindStock presentation
    14 June 2017 | Energy | Energy storage | Solar energy | Wind energy | Report

    WindStock

    Presentation at the Windday Conference on 14 June 2017
  • Improving confidence in wake predictions through operational validations, WindEurope Offshore Wind Energy 2017
    06 June 2017 | Energy software tools | Wind energy | Paper

    Improving confidence in wake predictions through operational validations, WindEurope Offshore Wind Energy 2017

    Learn how to validate wakes.
  • Decommissioning of Offshore Wind Installations - What we can Learn
    06 June 2017 | Energy | Wind energy | Paper

    Decommissioning of Offshore Wind Installations - What we can Learn, WindEurope Offshore Wind Energy 2017

    DNV GL paper presented at WindEurope Offshore Wind Energy in June 2017.
  • Hybrid solar + wind + storage plants
    30 May 2017 | Energy | Energy storage | Solar energy | Wind energy | Paper

    Hybrid wind + solar + storage plants

    Feasibility study on wind, solar and storage
  • Icing losses - What can we learn from production and meteorological data?
    07 February 2017 | Energy | Wind energy | Paper

    Estimating icing losses at proposed wind farms, Winterwind 2017

    DNV GL paper presented at Winterwind in February 2017.
  • Wind project availability white paper
    30 December 2016 | Energy | Wind energy | Whitepaper

    Empirical Observations of Wind Project Availability

    Energy assessments for wind projects
  • Technical background to extending wind turbine operating life
    30 November 2016 | Wind energy | Whitepaper

    Technical background to extending wind turbine operating life

    White paper EAA-WP-06
  • DNV GL’s Bladed wind turbine modelling tool is key for optimizing your turbine at every phase of its design.
    01 October 2016 | Energy software tools | Wind energy | Paper

    Effect of linear and non-linear blade modelling techniques on simulated fatigue and extreme loads using Bladed, 2016

    There is a trend in the wind industry towards ever larger and more flexible turbine blades. Blade tip deflections in modern blades now commonly exceed 10% of blade length.
  • DNV GL’s Bladed wind turbine modelling tool is key for optimizing your turbine at every phase of its design.
    01 October 2016 | Energy software tools | Wind energy | Paper

    Comparison of linear and non-linear blade model predictions in Bladed to measurement data from GE Halidade 6MW turbine, 2016

    The length and flexibility of wind turbine blades are increasing over time. Typically, the dynamic response of the blades is analysed using linear models of blade deflection, enhanced by various ad-hoc non-linear correction models.
  • Icing losses - What can we learn from production and meteorological data?
    27 September 2016 | Energy | Wind energy | Paper

    Icing losses - What can we learn from production and meteorological data? WindEurope 2016 Paper

    DNV GL paper presented at WindEurope 2016, September 2016.
  • Technical and contractual considerations in partial repowering of wind turbines
    23 August 2016 | Wind energy | Whitepaper

    Technical and contractual considerations in partial repowering of wind turbines

    This white paper represents a framework to aid the technical due diligence and decision making process (including energy production analysis), with the intent of informing and assisting owners and investors.
  • Whither the winds in 2015?
    15 February 2016 | Energy | Wind energy | Report

    Whither the Winds in 2015?

    Analysis of the anomalously low winds across the U.S.
  • DNV GL’s Bladed wind turbine modelling tool is key for optimizing your turbine at every phase of its design.
    20 November 2015 | Energy software tools | Wind energy | Paper

    Non-linear blade model in Bladed for prediction of deflection of large wind turbine blades, and comparison to HAWC2, November 2015, EWEA 2015

    Long and flexible blades for next generation offshore turbines are presenting new aero-elastic modelling challenges. Learn more.
  • DNV GL’s Bladed wind turbine modelling tool is key for optimizing your turbine at every phase of its design.
    29 September 2015 | Energy software tools | Wind energy | Paper

    Integrated Modelling and Loads Analysis of the Keystone IBGS for the VOWTAP Project, September 2015, AWEA Offshore WINDPOWER

    A detailed model of the Keystone IBGS jacket has been built in Bladed and an extensive calibration procedure performed with the SACS model.
  • DNV GL’s Bladed wind turbine modelling tool is key for optimizing your turbine at every phase of its design.
    07 October 2014 | Energy software tools | Wind energy | Paper

    Verification of Bladed against SACS for use in Integrated Offshore Support Structure Design - October 2014, AWEA Offshore WINDPOWER

    Dynamic analyses of a wind turbine support structure subject to wave loading have been carried out in Bladed and SACS. The member loading was compared at three locations in the jacket structure. The difference in extreme loading ranged from 0.8 to 7.8 percent. The difference in fatigue damaged equivalent load ranged from 0.9 to 8.0 percent.
  • WindFarmer validation report, April 2014
    01 April 2014 | Energy software tools | Wind energy | Paper

    WindFarmer validation report, April 2014

    Over the years, WindFarmer has demostrated its accuracy and performance many times over in detailed research projects, as well as in commercial applications.
  • DNV GL’s Bladed wind turbine modelling tool is key for optimizing your turbine at every phase of its design.
    04 February 2013 | Energy software tools | Wind energy | Paper

    Validation of the Dynamic Wake Meander Model with AREVA M5000 Load Measurements at alpha ventus, February 2013, EWEA 2013

    The Dynamic Wake Meandering (DWM) model was developed for wake load simulations in on- and offshore wind farms. The present paper outlines the DWM model and describes its validation with two years of load measurement data obtained from an AREVA M5000-116 turbine in the alpha ventus wind farm.
  • DNV GL’s Bladed wind turbine modelling tool is key for optimizing your turbine at every phase of its design.
    02 January 2012 | Energy software tools | Wind energy | Paper

    Dynamic Stall Model for Investigating Stall Flutter

    As wind turbine blades become larger there is a tendency for the blade torsional stiffness to reduce, producing the possibility of dynamic instability at moderate windspeeds.
  • Impact of large neighbouring wind farms on energy yield of offshore wind farms, EWEA Offshore Wind 2011
    29 November 2011 | Energy software tools | Wind energy | Paper

    Impact of large neighbouring wind farms on energy yield of offshore wind farms, EWEA Offshore Wind 2011

    For the success of a wind energy project, it is essential that the expected energy yields is accurately predicted, requiring the detailed assessment of both the wind resource and the interactions between the wind turbines.