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e
th
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l
p
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l p
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n
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tr
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o
w
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ex
p
r
ess
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as:
(
1
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(
2
)
w
h
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is
th
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d
en
s
it
y
o
f
air
an
d
is
th
e
cr
o
s
s
-
s
ec
tio
n
al
ar
ea
o
f
th
e
r
o
to
r
.
Me
an
w
h
ile,
V
an
d
I
a
r
e
v
o
ltag
e
an
d
cu
r
r
en
t
g
e
n
er
ated
b
y
t
h
e
m
o
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.
B
ased
o
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E
q
u
atio
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2
,
t
h
e
f
ac
to
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s
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h
ich
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n
f
lu
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n
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d
th
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p
o
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er
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ailab
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th
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to
tal
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f
lo
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e
air
d
en
s
it
y
,
cr
o
s
s
-
s
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tio
n
al
ar
ea
o
f
w
i
n
d
tu
r
b
in
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’
s
r
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an
d
air
v
elo
cit
y
.
Ho
w
e
v
er
,
w
h
e
n
a
w
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n
d
s
tr
ea
m
p
ass
e
s
t
h
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a
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t
u
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th
e
t
u
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n
n
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t
f
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tr
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t
t
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d
p
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m
p
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y
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s
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n
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ein
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n
s
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er
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ed
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th
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an
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th
e
air
t
h
a
t
leav
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t
h
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tu
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in
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ca
r
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ies
all
t
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ai
n
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er
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asid
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h
e
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tu
al
p
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d
b
y
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r
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ca
n
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e
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ec
id
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y
th
e
ef
f
icie
n
c
y
o
r
u
s
u
all
y
k
n
o
wn
as t
h
e
p
o
w
er
co
ef
f
icie
n
t
.
T
h
u
s
,
(
3
)
W
h
en
u
s
in
g
th
e
B
etz
eq
u
atio
n
,
M
.
R
ag
h
eb
an
d
A
.
M.
R
ag
h
eb
[
2
]
s
tated
th
at
th
e
h
ig
h
est
p
o
w
er
co
ef
f
icie
n
t
p
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tu
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is
0
.
5
9
3
.
B
u
t
af
ter
tak
en
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n
to
ac
co
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t
s
o
m
e
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er
d
etails
s
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ch
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t
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f
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lad
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r
f
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n
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h
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n
ical
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ef
icien
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ies
u
n
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er
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r
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tical
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n
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itio
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,
th
e
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o
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er
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at
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e
ex
tr
ac
ted
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ap
p
r
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m
atel
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3
5
%
to
4
5
%.
Me
an
w
h
ile,
H.
A
.
Yan
to
et
al.
[
3
]
a
n
d
W
.
S.
W
id
o
d
o
et
al.
[
4
]
f
o
u
n
d
o
u
t th
at
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h
e
o
p
ti
m
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m
p
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ac
tical
co
n
d
itio
n
is
0
.
3
.
T
h
e
tip
s
p
ee
d
r
atio
(
TS
R
)
is
th
e
r
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o
f
t
h
e
v
elo
cit
y
o
f
t
h
e
r
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to
r
tip
to
th
e
w
i
n
d
v
e
lo
cit
y
.
I
t
ca
n
b
e
ex
p
r
ess
ed
as
(
4
)
w
h
er
e
is
t
h
e
s
p
ee
d
o
f
b
lad
e
r
o
to
r
in
r
ad
iu
s
an
d
is
th
e
r
ad
iu
s
o
f
th
e
r
o
to
r
.
1
.
2
.
Sa
v
o
niu
s
VAW
T
T
h
e
co
n
v
en
tio
n
a
l
w
in
d
t
u
r
b
in
e
is
o
f
te
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u
s
ed
b
y
r
esear
ch
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s
to
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lete
t
h
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ies.
Ho
w
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s
o
m
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r
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ch
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in
tr
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d
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a
Helica
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-
s
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ap
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Sav
o
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tatic
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[5
]
,
[
6]
.
Z
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h
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[
7
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an
d
A
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Dam
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k
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[
8
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ter
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f
r
o
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C
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=
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1
5
an
d
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=
0
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1
6
r
esp
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tiv
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to
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Fi
g
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1
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9
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2
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d
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6
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esp
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tiv
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Fig
u
r
e
1
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T
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d
i
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[
7
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Fro
m
[7
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-
[
8]
f
in
d
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tio
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Helica
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Evaluation Warning : The document was created with Spire.PDF for Python.
I
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2
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1
7
:
3
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6
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3
8
3
378
1
.
3
.
Nu
m
ber
o
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Ro
t
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B
la
des
T
h
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n
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m
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er
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f
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o
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ld
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i
n
i
m
ized
to
t
w
o
b
lad
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o
n
l
y
.
M.
H.
Ali
[
9
]
an
d
A
.
Kad
a
m
a
n
d
K.
P
atil
[
1
0
]
f
o
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th
at
t
h
e
t
w
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-
b
lad
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Sa
v
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n
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ee
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.
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Sav
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t
w
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as
also
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u
p
p
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r
ted
b
y
[
7
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.
W
h
en
TS
R
=
0
.
8
,
th
e
C
P
f
o
r
t
w
o
-
b
l
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ed
r
o
to
r
is
0
.
1
6
5
w
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t
h
r
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b
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to
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is
0
.
1
2
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I
t
h
as
p
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th
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es.
1
.
4
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Wind
Co
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ntr
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R
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.
F.
[
1
1
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h
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n
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zz
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Sav
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h
ich
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in
Fig
u
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2
.
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n
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s
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as f
o
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[8
]
,
[
11]
:
a.
T
h
e
n
eg
ati
v
e
m
o
m
e
n
t p
r
o
d
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e
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b.
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(
a)
T
o
p
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w
(
b
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Sid
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Fig
u
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2
.
T
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n
d
co
n
ce
n
tr
ato
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[
1
1
]
A
s
t
u
d
y
co
n
d
u
cted
b
y
J
.
A
.
Or
asa
et
al.
[
1
2
]
h
ad
in
tr
o
d
u
ce
d
a
d
esig
n
o
f
a
s
u
b
s
o
n
ic
n
o
zz
le
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o
r
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er
to
p
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ce
a
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t
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r
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r
o
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d
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er
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o
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ir
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r
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cip
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h
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n
t
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o
zz
le
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a
s
al
m
o
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t s
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ilar
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tio
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w
it
h
t
h
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o
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es a
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in
R
u
s
L
.
F.
[
1
1
]
’
s
s
tu
d
y
.
T
h
e
f
u
n
ct
io
n
s
ar
e
li
s
ted
as f
o
llo
w
s
:
a.
I
t a
m
p
lif
ied
t
h
e
w
i
n
d
’
s
v
elo
cit
y
.
b.
I
t
p
r
ev
en
t
ed
n
eg
ati
v
e
to
r
q
u
e
w
h
er
e
it
ca
n
ac
t
as
a
b
ar
r
ier
f
o
r
w
in
d
s
tr
i
k
i
n
g
o
n
t
h
e
b
lad
e’
s
co
n
ca
v
e
p
ar
t
o
f
th
e
r
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to
r
.
T
h
e
s
tu
d
y
also
clai
m
ed
th
at
w
h
e
n
u
s
i
n
g
a
co
n
v
er
g
e
n
t
n
o
z
zle
r
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to
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th
e
s
p
ee
d
ca
n
b
e
s
i
g
n
i
f
ica
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tl
y
in
cr
ea
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ed
,
an
d
s
o
d
o
es
t
h
e
p
o
w
er
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ef
f
icie
n
t.
An
o
th
er
f
i
n
d
i
n
g
f
r
o
m
th
e
s
t
u
d
y
also
s
tated
t
h
at
t
h
e
co
n
s
er
v
atio
n
o
f
en
er
g
y
i
n
a
n
o
zz
le
ca
n
b
e
t
er
m
ed
as
B
er
n
o
u
ll
i
’
s
eq
u
atio
n
as
s
h
o
w
n
i
n
E
q
u
at
io
n
5
w
h
er
e
it
ca
n
b
e
d
ef
i
n
ed
th
at
th
e
s
u
m
o
f
all
f
o
r
m
s
o
f
win
d
f
lo
w
s
ar
e
s
a
m
e
at
th
e
s
a
m
e
p
o
in
t;
h
o
w
e
v
er
,
th
is
r
eq
u
ir
es
th
e
s
u
m
o
f
k
i
n
etic
en
er
g
y
an
d
p
o
ten
tial
e
n
er
g
y
t
o
b
e
k
ep
t
co
n
s
ta
n
t.
B
ased
o
n
th
is
eq
u
atio
n
,
ca
n
b
e
co
n
s
id
er
ed
as
th
e
i
n
let
v
elo
cit
y
o
f
th
e
w
i
n
d
co
n
ce
n
tr
a
to
r
w
h
i
le
is
th
e
o
u
tlet
v
elo
cit
y
o
f
th
e
w
i
n
d
co
n
ce
n
tr
ato
r
.
(
5
)
2.
E
XP
E
R
I
M
E
NT
A
L
I
n
th
is
s
tu
d
y
,
Helica
l
Sav
o
n
iu
s
VA
W
T
w
as
d
esi
g
n
ed
in
o
r
d
er
to
d
eter
m
i
n
e
th
e
p
er
f
o
r
m
a
n
ce
s
o
f
th
e
r
o
to
r
b
lad
e;
w
h
ic
h
in
cl
u
d
es
t
h
e
g
en
er
ated
elec
tr
ical
p
o
w
er
,
an
g
u
lar
s
p
ee
d
(
ω
)
an
d
tip
s
p
e
ed
r
atio
(
TS
R
)
.
T
o
f
u
lf
il
t
h
e
o
b
j
ec
tiv
es
o
f
t
h
i
s
s
t
u
d
y
,
t
h
er
e
ar
e
s
o
m
e
alter
n
ativ
e
w
a
y
s
to
p
r
o
d
u
ce
a
b
etter
p
er
f
o
r
m
a
n
ce
f
o
r
VA
W
T
.
Usi
n
g
a
w
i
n
d
co
n
ce
n
tr
ato
r
h
ad
alr
ea
d
y
b
ee
n
p
r
o
p
o
s
ed
w
h
er
e
it
w
ill
allo
w
a
b
ette
r
w
i
n
d
en
er
g
y
f
lo
w
to
th
e
b
lad
e
in
o
r
d
er
to
g
et
a
b
etter
p
er
f
o
r
m
a
n
ce
o
f
V
A
W
T
.
I
n
s
tead
o
f
u
s
i
n
g
w
i
n
d
as
t
h
e
o
n
l
y
s
o
u
r
ce
o
f
air
W
in
d
co
n
ce
n
tr
ato
r
W
in
d
r
o
to
r
Evaluation Warning : The document was created with Spire.PDF for Python.
I
J
PEDS
I
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2
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8
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694
S
a
vo
n
i
u
s
W
in
d
Tu
r
b
in
e
P
erfo
r
ma
n
ce
o
n
W
in
d
C
o
n
ce
n
tr
a
to
r
(
Dyg
ku
.
A
s
ma
n
is
s
a
A
w
g
.
Osm
a
n
)
379
s
tr
ea
m
,
t
h
e
ad
d
itio
n
al
s
o
u
r
ce
o
f
air
ca
m
e
f
r
o
m
th
e
air
co
m
p
r
ess
o
r
o
f
an
air
-
co
n
d
i
tio
n
i
n
g
s
y
s
te
m
w
h
ic
h
ca
n
also
b
ec
o
m
e
s
a
g
r
ea
t
as
s
et
to
b
e
u
tili
ze
d
.
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h
er
ef
o
r
e,
th
e
p
er
f
o
r
m
a
n
ce
s
o
f
Helica
l
Sav
o
n
i
u
s
V
A
W
T
w
it
h
an
d
w
it
h
o
u
t
u
s
i
n
g
t
h
e
w
i
n
d
co
n
ce
n
tr
ato
r
ca
n
b
e
i
n
v
esti
g
ated
.
T
h
e
r
ea
l
h
ar
d
w
ar
e
w
a
s
f
o
s
ter
ed
b
y
r
ef
er
r
i
n
g
to
th
e
p
r
o
p
o
s
ed
d
esig
n
a
n
d
an
al
y
s
i
s
o
f
Helica
l
Sav
o
n
i
u
s
V
A
W
T
b
la
d
e
r
o
to
r
in
clu
d
in
g
t
h
e
d
esig
n
o
f
t
h
e
w
i
n
d
co
n
ce
n
tr
ato
r
.
2
.
1
.
H
elica
l Sa
v
o
niu
s
VAW
T
B
la
de
Ro
t
o
r
Desig
n
So
m
e
p
ar
a
m
eter
s
co
n
s
id
er
ed
d
u
r
in
g
d
esig
n
i
n
g
th
e
Helica
l
Sav
o
n
iu
s
V
A
W
T
b
lad
e
r
o
to
r
as
s
h
o
w
n
i
n
Fig
u
r
e
3
w
er
e
b
ased
o
n
t
h
e
lo
w
e
s
t
p
o
w
er
r
ati
n
g
a
m
o
n
g
L
i
g
h
t
-
e
m
itti
n
g
Dio
d
e
(
L
E
D)
w
h
ic
h
is
f
r
o
m
y
e
llo
w
o
r
r
ed
-
co
lo
u
r
ed
L
E
D.
T
h
e
m
a
x
i
m
u
m
p
o
w
er
r
atin
g
is
4
4
m
W
w
h
er
e
t
h
e
v
o
lta
g
e
i
s
b
et
w
ee
n
1
.
8
V
to
2
.
2
V
a
n
d
th
e
cu
r
r
en
t
is
at
2
0
m
A
by
co
n
s
id
er
in
g
t
h
e
o
p
ti
m
u
m
C
P
w
h
ich
eq
u
als
to
0
.
3
[3
]
,
[
4]
an
d
t
h
e
o
p
ti
m
u
m
asp
ec
t
r
atio
(
)
f
o
r
m
icr
o
-
w
i
n
d
tu
r
b
i
n
e
is
eq
u
als
to
2
[4
]
,
[
1
3
]
.
P
o
ly
latic
ac
id
(
P
L
A
)
p
last
ic
w
a
s
ch
o
s
en
a
s
t
h
e
m
ater
ial
f
o
r
th
e
f
ab
r
icatio
n
o
f
th
e
b
lad
e
r
o
to
r
s
.
I
t
w
a
s
f
ab
r
icate
d
b
y
u
s
in
g
a
th
r
ee
-
d
i
m
e
n
s
io
n
al
(
3
D)
p
r
in
tin
g
m
ac
h
i
n
e.
P
L
A
p
last
ics
ar
e
e
n
v
ir
o
n
m
en
ta
l
f
r
i
en
d
l
y
m
ater
ial,
p
r
o
d
u
cin
g
n
o
h
ar
m
f
u
l
f
u
m
e
s
a
n
d
less
ti
m
e
n
ee
d
ed
d
u
r
i
n
g
t
h
e
3
D
p
r
in
tin
g
p
r
o
ce
s
s
es.
Fig
u
r
e
3.
Desig
n
o
f
Helica
l Sa
v
o
n
i
u
s
V
A
W
T
b
lad
e
r
o
t
o
r
2
.
2
.
Wind
Co
nce
ntr
a
t
o
r
Desig
n
So
m
e
p
ar
a
m
eter
s
co
n
s
id
er
ed
d
u
r
in
g
d
esig
n
i
n
g
t
h
e
w
in
d
c
o
n
ce
n
tr
ato
r
as
s
h
o
w
n
in
Fi
g
u
r
e
4
w
er
e
b
ased
o
n
th
e
o
u
tlet
d
i
m
en
s
io
n
s
o
f
t
h
e
air
co
m
p
r
ess
o
r
an
d
th
e
HR
a
n
d
R
R
o
f
t
h
e
b
lad
e
r
o
to
r
d
esig
n
.
T
h
e
d
esig
n
o
f
t
h
e
w
i
n
d
co
n
ce
n
tr
at
o
r
in
Fi
g
u
r
e
2
p
r
ev
io
u
s
l
y
h
ad
to
b
e
i
m
p
r
o
v
is
ed
f
o
r
th
e
p
u
r
p
o
s
e
o
f
t
h
is
s
t
u
d
y
b
y
also
co
n
s
id
er
in
g
t
h
e
B
er
n
o
u
l
li’
s
E
q
u
atio
n
(
5
)
w
h
er
e
t
h
e
v
elo
cit
y
o
f
air
ca
n
b
e
i
n
cr
ea
s
ed
w
h
e
n
f
lo
w
i
n
g
th
r
o
u
g
h
f
r
o
m
a
lar
g
e
to
s
m
al
l
er
ar
ea
w
it
h
a
co
n
s
ta
n
t
air
d
en
s
it
y
.
T
h
e
ch
o
s
e
n
m
ater
ial
f
o
r
f
a
b
r
icatin
g
t
h
e
w
i
n
d
co
n
ce
n
tr
ato
r
w
as
al
u
m
in
iu
m
b
ec
au
s
e
o
f
its
s
u
itab
le
m
at
er
ial
p
r
o
p
er
ties
.
A
l
u
m
i
n
iu
m
is
li
g
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t
i
n
w
eig
h
t,
co
r
r
o
s
io
n
r
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t
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ce
,
h
a
v
e
g
o
o
d
r
ig
id
it
y
,
a
r
ec
y
clab
le
m
a
ter
ial,
ea
s
y
to
co
n
s
tr
u
ct
an
d
lo
w
i
n
co
s
t
[
9
]
.
Fig
u
r
e
4.
W
in
d
co
n
ce
n
tr
ato
r
d
esig
n
’
s
d
i
m
en
s
io
n
3.
RE
SU
L
T
S
A
ND
AN
AL
Y
SI
S
3
.
1
.
Co
m
pa
riso
ns
o
f
Win
d Speed
a
t
Dif
f
er
ent
P
o
s
it
io
ns
T
h
e
w
i
n
d
s
p
ee
d
s
p
r
o
d
u
ce
d
b
y
th
e
air
co
m
p
r
ess
o
r
w
er
e
b
ein
g
m
ea
s
u
r
ed
at
s
o
m
e
d
if
f
er
en
t
p
o
s
itio
n
s
an
d
th
e
r
es
u
lts
w
er
e
tab
u
lated
in
T
ab
le
1
.
T
h
e
b
lad
e
r
o
to
r
w
a
s
n
o
t
b
ein
g
u
s
ed
w
h
e
n
d
eter
m
in
i
n
g
th
e
v
a
lu
e
s
o
f
H
1
=
6
0
.
0
cm
H
2
=
3
7
.
5
cm
H
R
=
3
7
.
3
0
cm
R
R
=
9
.
3
3
cm
T
h
ick
n
es
s
=
0
.
2
0
cm
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ased
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1
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y
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%
f
r
o
m
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/s
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ize
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tern
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o
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s,
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p
.
1
3
0
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-
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3
0
7
,
2
0
0
9
.
[4
]
W
.
S
.
W
id
o
d
o
,
e
t
a
l.
,
“
De
sig
n
a
n
d
A
n
a
l
y
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is
o
f
5
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a
v
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n
iu
s
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t
o
r
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,
”
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b
a
l
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n
g
i
n
e
e
rs
a
n
d
T
e
c
h
n
o
l
o
g
ists
Rev
iew,
v
o
l.
2
,
p
p
.
1
-
8
,
2
0
1
2
.
[5
]
Z.
Driss
,
e
t
a
l.
,
“
Nu
m
e
rica
l
S
im
u
latio
n
a
n
d
Ex
p
e
rim
e
n
tal
V
a
li
d
a
ti
o
n
o
f
th
e
T
u
rb
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le
n
t
F
lo
w
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ro
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n
d
a
S
m
a
ll
In
c
u
rv
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d
S
a
v
o
n
i
u
s W
in
d
Ro
t
o
r,
”
En
e
rg
y
,
v
o
l.
7
4
,
p
p
.
5
0
6
-
5
1
7
,
2
0
1
4
.
[6
]
Z.
Driss
,
e
t
a
l.
,
“
S
tu
d
y
o
f
th
e
In
c
id
e
n
c
e
A
n
g
le
E
ff
e
c
t
o
n
th
e
A
e
ro
d
y
n
a
m
ic
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tru
c
tu
re
Ch
a
ra
c
teristics
o
f
a
n
In
c
u
rv
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d
S
a
v
o
n
iu
s W
in
d
Ro
t
o
r
P
lac
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d
in
a
W
in
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T
u
n
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l,
”
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rg
y
,
v
o
l
.
1
1
3
,
p
p
.
8
9
4
-
9
0
8
,
2
0
1
6
.
[7
]
Z.
Zh
a
o
,
e
t
a
l.
,
“
Res
e
a
rc
h
o
n
th
e
Im
p
ro
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e
me
n
t
o
f
th
e
Per
fo
rm
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n
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o
f
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to
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se
d
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n
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me
ric
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y
,
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2
0
0
9
I
n
tern
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ti
o
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l
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p
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ly
,
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p
.
1
-
6
,
2
0
0
9
.
[8
]
A
.
Da
m
a
k
,
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t
a
l.
,
“
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p
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ri
m
e
n
tal
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stig
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ti
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0
,
”
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l.
5
2
,
p
p
.
1
3
6
-
1
4
2
,
2
0
1
3
.
[9
]
M
.
H.
A
li
,
“
Ex
p
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rim
e
n
tal
Co
m
p
a
riso
n
S
t
u
d
y
f
o
r
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v
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iu
s
W
in
d
T
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rb
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o
f
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w
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d
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h
re
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Blad
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s
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t
L
o
w
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in
d
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p
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d
,
”
In
ter
n
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ti
o
n
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l
J
o
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rn
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rn
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n
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g
Res
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a
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h
(
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M
ER
),
v
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l.
3
,
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p
.
2
9
7
8
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9
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6
,
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3
.
[1
0
]
A
.
K
a
d
a
m
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n
d
S
.
P
a
ti
l,
“
A
Re
v
i
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w
o
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S
a
v
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t
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w
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e
,
”
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o
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rn
a
l
o
f
M
e
c
h
a
n
ica
l
a
n
d
Civil
En
g
in
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rin
g
,
v
o
l.
5
,
p
p
.
1
8
-
2
4
,
2
0
1
3
.
[1
1
]
L
.
Ru
s,
“
Ex
p
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rime
n
tal
S
tu
d
y
o
n
t
h
e
In
c
re
a
se
o
f
th
e
Eff
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e
n
c
y
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f
V
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rti
c
a
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A
x
is
W
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d
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s
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y
E
q
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p
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th
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m
w
it
h
W
in
d
Co
n
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n
trato
rs,
”
J
o
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o
f
S
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sta
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n
a
b
le E
n
e
rg
y
,
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o
l.
3
,
p
p
.
3
0
-
3
5
,
2
0
1
2
.
[1
2
]
J.
Oro
sa
,
e
t
a
l.
,
“
W
in
d
T
u
rb
in
e
Co
n
c
e
n
tra
t
o
r
De
sig
n
Ba
se
d
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n
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o
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Ai
r
Ph
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se
Ch
a
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,
”
2
0
0
9
In
tern
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ti
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a
l
Co
n
f
e
re
n
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o
w
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r
En
g
in
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g
,
En
e
rg
y
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n
d
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tri
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Driv
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s,
p
p
.
4
9
0
-
4
9
4
,
2
0
0
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.
[1
3
]
M
.
A
.
Ba
lo
u
tak
i,
e
t
a
l
.
,
“
S
tr
a
ig
h
t
-
Bl
a
d
e
d
Ver
ti
c
a
l
Axis
W
in
d
T
u
rb
in
e
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to
r
De
sig
n
G
u
id
e
Ba
se
d
o
n
Aer
o
d
y
n
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mic
Per
fo
rm
a
n
c
e
a
n
d
L
o
a
d
i
n
g
A
n
a
ly
sis,
”
P
ro
c
e
e
d
in
g
s
o
f
th
e
In
st
it
u
t
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o
n
o
f
M
e
c
h
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n
ica
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En
g
in
e
e
rs,
P
a
rt
A
:
Jo
u
rn
a
l
o
f
P
o
w
e
r
a
n
d
En
e
rg
y
,
v
o
l.
2
2
8
,
p
p
.
7
4
2
-
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5
9
,
2
0
1
4
.
B
I
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G
RAP
H
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O
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AUTH
O
RS
Dy
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.
As
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Aw
g
.
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n
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d
a
h
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ld
e
r
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f
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h
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r
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g
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tri
c
a
l)
w
it
h
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n
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rs
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ro
m
Un
iv
e
r
siti
Tek
n
o
lo
g
i
M
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la
y
sia
in
2
0
1
5
.
Cu
rre
n
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y
,
sh
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F
u
ll
-
T
i
m
e
M
a
ste
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Re
se
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in
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tri
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En
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t
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n
tre
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tri
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),
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T
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k
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M
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.
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r
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.
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rsiti
Tek
n
o
lo
g
i
M
a
la
y
sia
in
1
9
9
4
a
n
d
o
b
tai
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e
d
h
i
s
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c
h
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lo
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tri
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a
l
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(B.
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n
g
)
f
ro
m
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iv
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y
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f
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a
le
s,
Ca
rd
iff
,
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it
e
d
Ki
n
g
d
o
m
in
1
9
9
6
.
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is
c
u
rre
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tl
y
w
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rk
i
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g
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s
M
a
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r
in
Distri
b
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isio
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(
P
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tec
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it
)
a
t
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e
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g
a
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sio
n
a
l
b
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rh
a
d
(T
NB),
Jo
h
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r
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M
a
lay
sia
.
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h
a
s
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n
e
x
ten
siv
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p
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v
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re
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in
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istri
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m
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ten
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f
a
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it
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ten
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s v
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st p
ro
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Ae
d
e
H
a
tib
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a
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h
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sig
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b
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ro
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h
Un
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e
rsit
y
.
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in
v
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lv
e
d
a
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u
m
b
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r
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re
se
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stu
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re
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it
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d
in
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v
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ti
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e
sp
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c
ially
in
th
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o
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tex
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f
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h
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g
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Ed
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c
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ti
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n
.
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in
c
e
h
is
Ba
c
h
e
lo
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g
re
e
is
in
M
e
c
h
a
n
ica
l
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g
in
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rin
g
,
h
e
a
lso
in
v
o
lv
e
d
a
f
e
w
re
se
a
r
c
h
stu
d
y
w
h
ich
re
late
d
to
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e
c
h
a
n
ica
l
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g
in
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rin
g
a
sp
e
c
t
in
v
a
rio
u
s f
ield
i
n
c
lu
d
in
g
El
e
c
tri
c
a
l
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g
in
e
e
rin
g
M
a
r
iy
a
ti
M
a
r
z
u
k
i
r
e
c
e
i
v
e
d
h
e
r
Ba
c
h
e
lo
r
d
e
g
re
e
in
m
e
c
h
a
n
ic
a
l
e
n
g
in
e
e
rin
g
in
1
9
9
7
f
ro
m
Un
iv
e
rsiti
Tek
n
o
lo
g
i
M
a
la
y
sia
.
Th
e
n
,
in
1
9
9
9
,
sh
e
o
b
tai
n
e
d
h
e
r
m
a
ste
r
d
e
g
r
e
e
in
e
d
u
c
a
ti
o
n
f
ro
m
sa
m
e
u
n
iv
e
rsiti
(UT
M
).
S
h
e
is
w
o
rk
in
g
a
s
a
lec
tu
re
r
a
t
P
o
li
tek
n
ik
Ib
ra
h
im
S
u
lt
a
n
,
Jo
h
o
r
Ba
ru
,
Jo
h
o
r
sin
c
e
1
9
9
9
u
n
ti
l
n
o
w
.
He
r
re
se
a
rc
h
in
tere
st i
s m
e
c
h
a
n
ica
l,
sp
e
c
ialize
d
in
m
a
teria
l
su
b
jec
ts.
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