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8/6/2019 AA V5 I1 Second Wind
http://slidepdf.com/reader/full/aa-v5-i1-second-wind 1/2www.ansys.c ANSYS Avana • © 2011 Ansys, Inc.30
Second Wind Avanc nc s a piiz win in spacin.
By Thomas Hahm, Fluid & Energy Engineering GmbH & Co. KG,
Hamburg, Germany
Wih h ga Win eny Cnci pjcin ha win
pw insaains wi w 409 iawas in 2014, h
an f an ccpi y win fas is cin a
sis cncn. th iss is aay ciica in gany
cas f ns ppain an h cny’s aship
in pyin win pw. typicay h a is na
as ch pw as pssi a h ws cs f a
ivn win fa si. b h a awacs spacin
win ins cs h, incin w pw
p an wa ffcs.
Fi & eny eninin (F2e) gH & C. kg is
pinin h s f avanc nc s sch
as a y siain (leS) incas h accacy
wih which ins can si wihin a win fa. th
n s wi h aiiy na ny f
a ivn v f an.
th wa f a in has sinifican ffcs — incin
c pw p an sh in if — n any
in in is pah. exacin ny f incin win
cass a ss in h inic ny an vciy f h win
in h wa f a in. this ny is cv v is-
anc as h wa xchans ny wih h snin
win. tnc pc in h wa f ins an
nc pc y ain fas sch as fss
his can hav a ssania ipac n in if. thffcs f nc can vay wih h fw an an
incinain f h incin win. F xap, n f h
s aain scnais is whn n haf f a
xpincs nc f an pwin in an h
h haf is xps nis fw.
Atmospheric flow over the Bolund peninsula (Denmark) with wind
direction from the escarpment on the west side. The red colorindicates high wind speeds, and blue indicates low speeds.
Wind field behind an ENERCON E-66 wind turbine with hub height of
65 meters. The blue color indicates high wind speeds, and white
indicates low speeds.
Meandering wake behind an ENERCON E-66 wind turbine. Blue
represents high wind speed, and white represents low speed.
ENErGY: WiNd
i m a g e © S
t o c k p h o t o . c o m / c h r o m a t k a
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