10-mw	1
2.horizontal-axis wind turbines	1
3.6mw	1
3.aerodynamics	1
4.1blade chord	1
4.5mw	1
4.hawt blade design	1
5-mw	2
50kw	1
5mw	3
6mw	1
active rotors	1
active yaw	2
active yaw drive	1
actuator disk	11
actuator disk model	1
actuator disk theory	8
aero-elastic	2
aerodynamic	36
aerodynamic brakes	2
aerodynamic drag	2
aerodynamic force	2
aerodynamic forces	4
aerodynamic lift	1
aerodynamic loading	2
aerodynamic loads	2
aerodynamic stall	1
aerodynamically	1
aerodynamics	17
aeroelastic	3
aeroelastic dynamics	1
aerofoil	1
aggregate	1
air density	3
air loads	1
air mass flow rate	2
air stream	1
airflow	1
airfoil	96
airfoil drag	1
airfoil theory	2
airfoils	27
airscrew	2
anemometer	1
angle of attack	15
angles of attack	6
angular	1
angular induction factor	4
angular induction factors	5
angular momentum	3
angular velocity	11
angular velocity of wind turbine rotor	1
angular wind velocity	2
annular blade element	2
annular rotor section	3
anthropogenic emissions	3
anthropogenic greenhouse gas emissions	1
anthropogenic pollution	1
anthropogenic sources	2
arithmetic mean	1
aspect ratio	4
aspect-ratio	3
atmosphere	3
automatic cable untwisting	1
axial	14
axial direction	1
axial force	1
axial induced velocity	2
axial induction factor	20
axial induction factors	5
axial momentum	3
axial momentum theory	1
axial thrust	1
axial velocities	1
axial velocity	14
axial vortex	1
axial wind velocity	2
axis	17
axis-tilt	1
axisymmetric flow	1
axle	1
azimuth	1
azimuth angle	1
azimuth system	1
bade	1
balance-of-station	1
barge	4
basic frame	2
batteries	1
bearing	2
bearing ring	1
bearings	3
bedplate	1
bem	12
bem theory	19
bernoulli 's constant	2
bernoulli 's equation	2
bernoulli function	1
betz limit	5
betz turbine	3
biomass energy	1
blade	212
blade angle	2
blade angles	2
blade articulation	1
blade axes	1
blade chord	1
blade chord length	2
blade chord length distribution	1
blade chord-length	3
blade chord-length distribution	2
blade chord-length distributions	1
blade chord-length variation	1
blade chordline	2
blade coning	2
blade deflection	1
blade design	40
blade element	31
blade element momentum theory	1
blade element theory	21
blade element-momentum	3
blade element-momentum theory	2
blade elements	35
blade geometries	2
blade geometry	27
blade length	21
blade lengths	1
blade pitch	1
blade pitch angle	1
blade pitch systems	1
blade profile	5
blade radius	5
blade root	1
blade roots	1
blade rotation	1
blade setting angle	2
blade shape	27
blade span	1
blade stall	1
blade tip	5
blade tip speed	1
blade tips	8
blade twist	1
blade-element momentum	1
blade-element momentum theory	3
blade-element theory	3
blade-tip speed	1
blades	114
bos	1
bound circulation	2
bound vortex	1
bound vortices	4
bound vorticitiy	1
bound vorticity	1
brake system	2
brakes	1
braking	2
braking system	1
braking systems	3
breeze	5
bull gear	1
cables	4
camber	1
camberline	2
cantilevered	1
carbon	4
carbon credits	5
carbon emission factor	1
carbon intensive electricity	3
carbon-intensive generation	1
centrifugal air pump	1
centrifugal force	4
chord	2
chord length distribution	1
chord-length	22
chord-length distribution	15
chord-length ratio	1
chord-length variation	3
chord-lengths	2
chordlength	2
chordlength distribution	1
civil engineering	2
clearance	2
climate change	1
co2	8
co2 emission factor	3
co2 emission factors	2
co2 emissions	15
co2 reductions	2
coating	2
coe	1
coefficient	1
colorado	1
composite fairings	1
concentrator	2
coned rotor	1
conservation of linear momentum	2
control panels	1
converter	1
corrosion	3
cost of energy	3
counter-rotating blades	2
counter-rotation	1
counter-weight	1
coupled vibrations	1
coupling	3
cp	16
cut - out wind speed	1
cut-in	1
cut-in speed	1
cut-in wind speed	3
cut-out speed	1
cut-out wind speed	2
cyclic loads	2
darrieus rotor	3
deep earth electrodes	1
deep stall	1
differential equation	1
direct drive synchronous annular generator	1
direct drive transmission	1
direction	2
disk brake	2
distribution	1
distribution of angle of attack	4
distribution system	2
dominant winds	1
double-	1
downstream velocity	1
downstream wind speeds	1
downwind	13
downwind hawt	1
downwind pressure	1
downwind rotor	3
downwind rotors	1
downwind turbines	3
drag	16
drag / lift ratio	1
drag coefficient	8
drag coefficients	2
drag force	1
drag loads	1
drag losses	1
drag type	1
drag-to-lift ratio	1
drive train	2
driven pile	1
driver	1
drop of pressure	1
dynamic	10
dynamic loads	4
dynamic structural loads	1
dynamically	3
dynamics	2
earthed	1
ecological	1
effective radius	1
effective-radius	1
eia	11
electric	4
electric generation	1
electric power	22
electric power network	1
electric power supply	1
electrical	6
electrical energy	3
electrical energy production	3
electrical generator	3
electrical network	1
electrical output	1
electrical power	2
electrical servo drives	1
electrical system	1
electricity	39
electricity distribution networks	1
electricity grid	1
electricity line	1
electricity meter	1
electricity network	4
electricity output	2
electricity production	5
electromagnetic radiation	3
electronic	3
electronic power converters	1
electronic wind-direction sensor	1
electronics	1
electrotechnical	1
element	1
elemental power	1
elemental power coefficient	9
elemental thrust	1
elemental thrust force	2
elemental torque	4
elementary annulus	1
elements	1
emission	1
emission factor	5
emission reduction	1
emission reduction units	2
emission reductions	13
emission reductions units	1
emissions	24
emissions factor	6
emissions reduction credits	1
emitted	4
empirical	2
enercon inverter	1
energy	46
energy production	7
energy yield	4
energy3	1
enfield-andreau turbine	3
enfield-andreau type of horizontal axis wind turbine	1
engineer	2
engineering	15
engineers	5
environment	15
environmental	20
environmental impact	1
environmental impact assessment	12
environmental impacts	5
environmentally	1
epoxy	1
equipotential bonding	1
equity capital	2
equity investors.	1
ers	5
eru	5
erus	4
extreme loads	2
extreme loads-the	1
far wake	10
far-wake	1
fast shaft	2
fatigue damage	1
fatigue life	2
fatigue loads	3
feed-in tariff	9
fixed blade pitch	1
fixed blade pitch angle	1
fixed isdn network	1
fixed pitch	2
fixed rotational speed rotor	1
fixed rotational three-bladed hawt	2
fixed-bottom technology	1
fixed-pitch	1
fixed-rotational speed turbine	1
flange-mounted	1
floating offshore wind turbine	1
floating offshore wind turbines	1
floating platform	4
floating platforms	2
floating turbine	1
floating turbines	2
floating wind turbine platforms	1
floating wind turbines	3
flow	35
flow angles	1
flow factor	1
flow field	1
flow path	2
flow paths	1
flow patterns	1
flow state	2
flow states	7
flow velocity	1
flows	1
fluid drag	1
forced-air ventilation	1
forces	1
fossil fuel	6
fossil fuels	3
foundation	9
foundation earth electrodes	1
foundations	1
four-bladed	1
four-point bearing	1
free stream	1
free stream velocity of wind	1
free stream wind speed	1
free vortex	1
free vortex line	1
free vortex sheets	1
free vortices	1
free yaw	2
free-stream	4
free-stream velocity	1
free-stream wind velocity	2
frictional drag	1
fuel	33
fuels	1
full-span pitch control	2
furling mechanism	1
gale	3
gas	6
gear ratio	1
gearbox	11
gearing	1
gearless	1
gears	1
general momentum	3
general momentum theory	22
generator	25
generator drive shaft	1
generators	4
ghg	5
ghg emission reductions	2
ghg emissions	4
glass fibre reinforced plastic	1
glass-fibre reinforced plastic	1
glauert 's empirical formula	1
glauert empirical formula	1
glauert empirical relationship	3
glide ratio	15
glide ratios	4
global warming	1
greenhouse gas	1
greenhouse gas emission	1
greenhouse gas emission reductions	2
greenhouse gas emissions	2
greenhouse gases	2
grid	12
grid connection	8
grid failure	2
grid-connected	1
grid-connected systems	1
grid-connected turbines	1
grid-connected wind turbine	1
grindstones	1
grp	3
gwh	2
hawt	30
hawt airfoils	1
hawt blade	2
hawt blade design	24
hawt blades	8
hawt nacelle	1
hawt rotor	5
hawt rotor blades	1
hawt rotor design	1
hawt rotor hubs	1
hawt rotors	3
hawt tower	1
hawts	25
hco2	3
heat energy	2
heat production	2
high speed shaft	1
high voltage line	1
high wind	1
highspeed air turbine	1
horizontal -	1
horizontal axis wind turbine	1
horizontal axis wind turbines	3
horizontal rotor shaft	1
horizontal-axis	1
horizontal-axis european windmills	1
horizontal-axis wind turbine	11
horizontal-axis wind turbine blade design	1
horizontal-axis wind turbine blades	6
horizontal-axis wind turbines	23
horizontal-axis windmill	3
horizontal-axis windmills	3
horizontalaxis wind turbines	1
housing	1
hub	20
hydraulic	1
hydraulic brakes	1
hydraulic pressures	1
hydraulic-pressure	1
hydraulic-system	1
hydraulics	2
hydrodynamic	5
hydrodynamically	1
hydrodynamics	2
hydroelastic	1
induced angular velocities	1
induced angular velocity	6
induced axial velocity	3
induced flow	2
induced velocities	2
induced velocity	8
induction	2
induction factor	2
induction factors	5
industry	9
inflow	6
installed capacities	2
installed capacity	6
installed power	1
intermittency transmission	1
internal rate of return	1
irr	7
irrotational	2
isometric	5
karman-tsien compressibility correction	1
kilowatt	1
kinematic viscosity of air	1
kinetic energy	2
ktco2	1
ktoe	2
kv	10
kw	22
kwh	7
land-based wind energy	1
land-based wind turbine	1
land-based wind turbines	2
le	1
leading edge	1
least-square method	1
lift	10
lift coefficient	13
lift coefficients	2
lift force	2
lift forces	3
lift ratios	1
lightning protection	3
lightning protection system	1
linear momentum	1
linear momentum theory	1
load	9
load path	1
loaded	5
loading	8
loads	6
low-solidity rotor	1
mach number	2
machine	9
machine bed	3
machine controls	1
machines	9
magnetic fields	1
magnus effect	1
main blade	1
main shaft	1
mains electricity supply	1
mains power supply	1
mains supply	1
mass moment of inertia	1
mechanical	8
mechanical brake	1
mechanical disk brake	2
mechanical power	6
mechanical transmission	1
mechanics	2
mechanism	5
mechanisms	1
megawatt-scale	1
megawatts	1
meteorological	1
meteorological mast	1
methodology	6
mill	3
millstones	1
momentum	2
momentum theories	1
momentum theory	3
monopile	2
mooring line tension	2
morison 's equations assumption	1
motor power	1
motors	3
multi-bladed	1
mw	26
mwh	21
mwhe	6
nacelle	24
nacelle covering	2
nacelles	1
national grid	4
natural gas	10
net force	1
net present value	1
net swept area	2
network	3
noise insulation	1
nominal electric capacity	2
nominal electrical power	1
nominal power	2
non-rotating	2
nondimensionalized blade radius	1
nonlinear	1
nonlinear loads	1
nonrotating	1
normal force	1
npv	6
nuclear energy	1
nuclear power	1
nuclear power plant	1
off-axis winds	1
offshore	29
offshore development	1
offshore floating wind turbines	1
offshore turbines	8
offshore wind	6
offshore wind energy	8
offshore wind energy technology	1
offshore wind farm	1
offshore wind farms	1
offshore wind technologies	1
offshore wind technology	5
offshore wind turbine	1
offshore wind turbine technologies	1
offshore wind turbine technology	1
offshore wind turbines	8
offshore winds	1
offshore windturbines	1
oil	18
onshore	4
onshore wind turbine	1
operating expense	1
opex	1
orimulsion	12
outboard	3
outflow	4
output capacity	1
overvoltage	1
partial-span	1
partialspan pitch control	1
passive yaw drive	1
pco2	2
peak performance	7
peak power	4
peak power control	1
persian mill	1
pinion gear	1
pitch	8
pitch angle	2
pitch control	3
pitch motors	1
pitch-change mechanism	1
pitch-change mechanisms	1
pitchable tips	1
pivoting tip vane	1
plane of rotation	1
planetary / spur gear system	2
plant	7
plants	2
pneumatically	1
pole-changeable asynchronous generator	1
pollutants	1
pollution	1
pollution-free	1
power	63
power cabinets	1
power coefficient	57
power coefficients	10
power control	4
power curve	4
power electronic	1
power electronic converters	1
power electronics	1
power generation	4
power grid	2
power market	3
power meter	2
power network	4
power output	14
power performance	3
power performance prediction	4
power plant	2
power plants	8
power prediction	4
power production	23
power purchase agreement	1
power station	1
power stations	2
power supply	2
power train	5
power-train	2
powers	1
ppa	3
prandtl 's tip correction factor	1
prandtl model	4
prandtl tip loss model	1
pressure distribution	4
pressure drop	3
pressure gradient	1
pressure increment	1
primary shaft	1
principle	1
production capacity	1
propeller brake state	1
protection class ip 54	1
public private partnership	1
radial	11
radial blade element	1
radial centrifugal forces	1
radial coordinate	3
radial distance	8
radial distances	1
radial flow	1
radial thrust coefficient	5
radial velocity	2
radial wind velocity	2
radii	1
radius	13
rate of decrease of momentum	1
rated	1
rated capacity	2
rated wind speed	2
rayleigh distribution	1
relative wind angle	21
relative wind angles	3
relative wind velocity	5
remote data monitoring	3
remote data monitoring software	1
remote data transmission	1
remote monitoring	1
renewable	4
renewable electricity	7
renewable electricity generation	1
renewable energy	8
renewable energy generation	1
renewable energy resources	1
renewable energy sources	1
retardation factor	1
reynolds	1
reynolds number	12
reynolds numbers	1
right angle gear mechanism	1
rigid hub	6
rna	3
roller bearings	1
root	13
roots	1
rotate	2
rotates	2
rotating	12
rotation	8
rotation speed	1
rotational	11
rotational energy	2
rotational momentum	1
rotational speed	5
rotational speed gearbox	1
rotational velocities	2
rotational velocity	7
rotor	99
rotor axis	3
rotor blade	2
rotor blades	5
rotor brake	2
rotor control	1
rotor design	1
rotor diameter	25
rotor diameters	3
rotor disk	13
rotor drive train	1
rotor geometry	4
rotor hub	2
rotor hubs	1
rotor loads	1
rotor lock	1
rotor nacelle assembly	1
rotor nacelle mass	1
rotor orientation	2
rotor performance	8
rotor plane	24
rotor power	3
rotor power coefficient	3
rotor radius	2
rotor rotation	1
rotor shaft	1
rotor speed	4
rotor teetering	1
rotor thrust	2
rotor tips	1
rotor torque	1
rotor[1	1
rotornacelle axis	1
rotors	10
rpm	6
sail	2
sails	5
savonius rotor	4
sawmills	1
secondary shaft	1
shadow effect	1
shadow flickering	2
shadowing effect	1
shaft	5
shafts	1
shell	1
single-	1
single-bladed wind rotor	1
skin friction	1
slip-rings	1
slipstream	27
solidity ratio	2
sound-proofed grp covering	1
spanwise axes	1
spanwise flow	1
spar	1
spar-buoys	1
spars	1
stall	10
stall angle	1
stall-controlled blades	1
stall-controlled rotors	2
stalled	1
stalls	1
stand-alone	2
standalone systems	1
start-stop cycles	1
starting torque	2
steady state	4
steel foils	1
stochastic load	1
stopping torque	1
storm	4
storm protection shutdown	1
stream tube	2
streamline	1
streamtube	14
streamtubes	1
strip theory	3
subsonic isolated airfoils	1
sun power	1
surface speed	1
sustainable electricity generation	1
sustainable fuel source	1
swept area	6
switchgear	2
synchronous	1
synchronous generator	1
system operator	2
t co2e	2
tail vane	6
tangential force	2
tangential forces	1
tco2	36
tco2e	3
te	1
technical	33
technical wind energy potential	3
technically	2
technicians	1
techniques	1
technological	5
technologies	2
technology	28
teeter hinge	1
teeter motion	1
teetered	3
teetered hub	1
teetering	3
temperature sensors	1
tension	1
tension leg platform	1
tension leg platforms	1
theoretical maximum power coefficient	1
theory	5
thermal power	7
thermal power production	7
three-	1
three-bladed	2
three-bladed hawt	3
three-bladed hawt rotor	1
three-bladed rotor	8
three-bladed turbine	2
three-bladed wind turbine	2
three-bladed wind turbines	5
threebladed	1
thrust	25
thrust coefficient	14
thrust coefficients	2
thrust force	5
thrust loads	3
thrust per unit area	2
thyristors	1
tip	15
tip brake	1
tip cables	1
tip correction	3
tip loss factor	3
tip losses	8
tip radius	1
tip speed ratio	5
tip speed ratios	1
tip speeds	1
tip vane	1
tip-brakes	1
tip-controlled horizontal axis wind turbines	1
tip-loss	1
tip-loss effect	1
tip-loss factor	14
tip-losses	1
tip-peed ratio	1
tip-speed ratio	65
tip-speed ratios	4
tips	4
tipspeed ratio	1
tipspeed ratios	1
tlp	1
tne	7
toe	15
tonnes of co2 equivalent	8
tonnes of oil equivalents	3
torque	22
tower	29
tower base	1
tower clearance	3
tower shadow	5
tower shell	1
towers	4
trailing edge	3
trailing vortex	1
trailing vortex system	2
trailing vortices	4
transformer	4
transformers	2
transmission	2
transmission of power	1
transmission system operator	2
truss	2
tsr	1
turbine	34
turbine airfoils	1
turbine blades	5
turbine power	3
turbine power input	1
turbine power outputs	3
turbine rotor	3
turbine rotor design	1
turbine shaft	5
turbine shaft assembly	1
turbines	30
turbulence	2
turbulence loading	1
turbulent	1
turbulent wake state	4
turbulent wind	2
twist	18
twist angle	3
twist angle distribution	1
twist angle distributions	1
twist distribution	21
twist distributions	4
twisted	1
two -	1
two-bladed	2
two-bladed hawt rotor	1
two-bladed rotor	4
two-bladed turbine	2
two-bladed turbines	1
two-bladed wind turbines	1
two-stage , pole-changeable asynchronous machine	1
twobladed rotor	1
unconed rotor	1
upstream	1
upwind	11
upwind pressure	1
upwind rotor	6
upwind rotors	3
upwind turbines	1
utility grid	1
v	2
variable single blade pitch control	1
vawt	2
velocities	1
velocity	22
vertical-axis	2
vertical-axis persian windmills	1
vertical-axis turbine	1
vertical-axis wind turbine	2
vertical-axis wind turbines	2
vertical-axis windmill	1
vertical-axis windmills	3
vibration dampers	1
vibration-decoupling	1
viscosity	1
voltage	5
volts	1
vortex	5
vortex line	2
vortex line of strength	1
vortex lines	3
vortex ring state	1
vortex rings	2
vortex sheet	3
vortex sheets	4
vortex system	6
vortex systems	1
vortex theory	15
vortex wake method	1
vortices	5
vorticity	10
wake	22
wake rotation	3
wake velocities	1
water	1
watt	1
wave	1
wave loading	1
wave loads	1
weldments	1
wind	57
wind direction	5
wind direction sensor	1
wind energy	29
wind energy conversion	2
wind energy converters	2
wind energy parks	1
wind energy potential	4
wind engineering	8
wind farm	25
wind farms	15
wind field	1
wind flow	1
wind force	1
wind forces	1
wind generation	4
wind generators	2
wind industry	4
wind loading	2
wind machine	2
wind park	3
wind parks	7
wind power	33
wind power electricity	1
wind power generation	1
wind power parks	1
wind power plant	13
wind power plants	13
wind power station	4
wind power station park	1
wind power stations	14
wind power stations park	3
wind power technology	2
wind power-plant	1
wind power-plant park	1
wind power-plants	1
wind shear	1
wind speed	23
wind speeds	5
wind stream	2
wind thrust loads	1
wind tunnels	1
wind turbine	60
wind turbine airfoil	1
wind turbine blade	3
wind turbine blades	1
wind turbine generator	1
wind turbine generators	2
wind turbine housing	1
wind turbine power production	1
wind turbine rotor	9
wind turbine rotors	4
wind turbine technology	12
wind turbine tower	1
wind turbines	60
wind vane	1
wind velocities	3
wind velocity	19
wind-consult	1
wind-tunnel	2
windfarm	1
windings	1
windmill	12
windmill state	5
windmills	5
winds	5
working range	7
wps	1
yaw	4
yaw drive	1
yaw orientation	1
yaw rotors	1
yaw system	3
yawed flow	1
yawing	2
yaws	1
