evoblade and Deutsche Windtechnik develop trailing edge spoilers for
The results of a side-by-side study of testing and optimising the EvoFlap now confirm that installing the spoiler can improve the aerodynamic flow in the area of the blade root, resulting in improved
Offshore wind power foundation with spoiler strips
An offshore wind power and spoiler technology, applied in wind power generation, infrastructure engineering, construction, etc., can solve the problems of large maintenance cost and workload, poor
Vortex-disturbing devices: (from (left) to (right)) strakes, spoilers
This paper proposes a method of controlling the vortex-induced vibration (VIV) of wind turbine towers by adding continuous trapezoidal straight spoiler plates (TS) onto their outer surface:...
A tie-down strap assembly and method for wind turbine spoiler
The purpose of the present invention is to overcome the deficiencies of the prior art, reduce the development cost of wind turbines, and reduce construction risks, and proposes a tightening...
US4500257A
An aerodynamic spoiler system for a vertical axis wind turbine includes spoilers on the blades initially stored near the rotor axis to minimize drag.
Overspeed spoilers for vertical axis wind turbine
It is an object of the present invention to provide an overspeed controller and spoiler for vertical axis wind turbines that is light, simple, automatic and does not greatly affect the...
Pultruded Blades for Wind Turbine Rotors
This report summarizes a study conducted to assess the feasibility of using pultruded blades for wind turbines. A scaled 80 kW rotor was designed, fabricated, and tested in the field.
Impact of large spoilers on a wind turbine blade using full scale
During routine maintenance, ENGIE Green, a french exploiting party of renewable energy sources, noticed some cracks at the blade root near the spoiler installation. Until this day, all studies
Spoiler for a wind turbine blade
However, once a rotor blade is in place on the hub, any spoiler modifications or repairs that may become necessary over time, are costly and time-consuming, since the spoiler must first be
High-Reynolds-number wind turbine blade equipped with root spoilers
Abstract. A wind turbine blade equipped with root spoilers is analysed using time domain aeroelastic blade element momentum (BEM) simulations to assess the impact of passive devices on