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Full-Scale Fatigue Testing of a Wind Turbine Blade in Flapwise Direction and Examining the Effect of Crack Propagation on the Blade Performance
Open AccessFeature PaperArticle

Process Modeling of Composite Materials for Wind-Turbine Rotor Blades: Experiments and Numerical Modeling

Institute of Composite Structures and Adaptive Systems, German Aerospace Center, Lilienthalplatz 7, D-38108 Braunschweig, Germany
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Materials 2017, 10(10), 1157; https://doi.org/10.3390/ma10101157
Received: 31 August 2017 / Revised: 29 September 2017 / Accepted: 1 October 2017 / Published: 5 October 2017
(This article belongs to the Special Issue Composites for Wind Energy Applications)
The production of rotor blades for wind turbines is still a predominantly manual process. Process simulation is an adequate way of improving blade quality without a significant increase in production costs. This paper introduces a module for tolerance simulation for rotor-blade production processes. The investigation focuses on the simulation of temperature distribution for one-sided, self-heated tooling and thick laminates. Experimental data from rotor-blade production and down-scaled laboratory tests are presented. Based on influencing factors that are identified, a physical model is created and implemented as a simulation. This provides an opportunity to simulate temperature and cure-degree distribution for two-dimensional cross sections. The aim of this simulation is to support production processes. Hence, it is modelled as an in situ simulation with direct input of temperature data and real-time capability. A monolithic part of the rotor blade, the main girder, is used as an example for presenting the results. View Full-Text
Keywords: rotor blade for wind turbine; composite materials; process modeling; temperature rotor blade for wind turbine; composite materials; process modeling; temperature
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Wieland, B.; Ropte, S. Process Modeling of Composite Materials for Wind-Turbine Rotor Blades: Experiments and Numerical Modeling. Materials 2017, 10, 1157.

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