Patrick Volker
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View article: Comment on wes-2022-19
Comment on wes-2022-19 Open
Abstract. Wind farm power production is known to be significantly affected by turbine wakes. When mesoscale numerical models are used to predict power production, the turbine wakes cannot be resolved directly because they are sub-grid feat…
View article: Diagnosing systematic differences in predicted wind turbine array-array interactions
Diagnosing systematic differences in predicted wind turbine array-array interactions Open
Improved quantification of the spatial extent and intensity of wind farm wakes is urgently needed given the rapid pace of expansion of installed capacity both on-and off-shore. We present and analyse long-term, high-resolution simulations …
View article: “Wind Theft” from Onshore Wind Turbine Arrays: Sensitivity to Wind Farm Parameterization and Resolution
“Wind Theft” from Onshore Wind Turbine Arrays: Sensitivity to Wind Farm Parameterization and Resolution Open
High-resolution simulations are conducted with the Weather Research and Forecasting Model to evaluate the sensitivity of wake effects and power production from two wind farm parameterizations [the commonly used Fitch scheme and the more re…
View article: Wind Farm Wakes Simulated Using WRF
Wind Farm Wakes Simulated Using WRF Open
Optimization of wind turbine (WT) arrays to maximize system-wide power production (i.e. minimize ‘wind-theft’) requires high-fidelity simulations of array-array interactions at the regional scale. This study systematically compares two par…
View article: Applications of satellite winds for the offshore wind farm site Anholt
Applications of satellite winds for the offshore wind farm site Anholt Open
Rapid growth in the offshore wind energy sector means more offshore wind farms are placed closer to each other and in the lee of large land masses. Synthetic aperture radar (SAR) offers maps of the wind speed offshore with high resolution …
View article: Downstream effects from contemporary wind turbine deployments
Downstream effects from contemporary wind turbine deployments Open
High-resolution regional simulations of the downstream effects of wind turbine arrays are presented. The simulations are conducted with the Weather Research and Forecasting (WRF) model using two different wind turbine parameterizations for…
View article: Large Scale Offshore Wake Impact on the Danish Power System (OffshoreWake)
Large Scale Offshore Wake Impact on the Danish Power System (OffshoreWake) Open
The project OffshoreWake will investigate and solve new issues in offshore wind resource estimation and the conversion to power calculation, arising from wake effects of wind farms as the number and size of offshore wind farms grow. The fo…
View article: Applications of satellite winds for the offshore wind farm site Anholt
Applications of satellite winds for the offshore wind farm site Anholt Open
Rapid growth in the offshore wind energy sector means more offshore wind farms are placed closer to each other and in the lee of large land masses. Synthetic Aperture Radar (SAR) offers maps of the wind speed offshore with high resolution …
View article: Large Scale Offshore Wake Impact on the Danish Power System
Large Scale Offshore Wake Impact on the Danish Power System Open
This project aims at improving the operation of the Danish powersystem, through building a more accurate wind to power calculationsystem by taking into account of the large wind farm wake effect, aswell as the sea conditions. The obtained …
View article: Efficient large-scale wind turbine deployment can meet global electricity generation needs
Efficient large-scale wind turbine deployment can meet global electricity generation needs Open
Miller and Kleidon (1) study future global deployment of wind turbines. They use a general circulation model (GCM) with 2.8° resolution to simulate the electricity generation for different wind-power deployments using global constant insta…
View article: Challenges in simulating coastal effects on an offshore wind farm
Challenges in simulating coastal effects on an offshore wind farm Open
The effect of a coastline on an offshore wind farm is investigated with a Reynolds-averaged Navier-Stokes (RANS) model. The trends of the RANS model compare relatively well with results from a mesoscale model and measurements of wind turbi…
View article: Wind Farm Wake: The 2016 Horns Rev Photo Case
Wind Farm Wake: The 2016 Horns Rev Photo Case Open
Offshore wind farm wakes were observed and photographed in foggy conditions at Horns Rev 2 on 25 January 2016 at 12:45 UTC. These new images show highly contrasting conditions regarding the wind speed, turbulence intensity, atmospheric sta…
View article: Prospects for generating electricity by large onshore and offshore wind farms
Prospects for generating electricity by large onshore and offshore wind farms Open
The decarbonisation of energy sources requires additional investments in renewable technologies, including the installation of onshore and offshore wind farms. For wind energy to remain competitive, wind farms must continue to provide low-…
View article: Extreme winds and waves for offshore turbines: Coupling atmosphere and wave modeling for design and operation in coastal zones
Extreme winds and waves for offshore turbines: Coupling atmosphere and wave modeling for design and operation in coastal zones Open
The X-WiWa project was motivated by Denmark's long term vision for off-shore wind energy and the many technical and scientic challenges in existing methodologies for assessing the design parameters, for both winds and waves. X-WiWa succeed…
View article: Wind farm efficiency assessed by WRF with a statistical-dynamical approach
Wind farm efficiency assessed by WRF with a statistical-dynamical approach Open
A pledge to increase the share of renewable energies has led to a focus on offshore wind energy in many western European countries. With an increasing number of offshore wind farms to be installed it becomes important to understand (I) the…