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8/11/2019 Fabrication - Wind Tunnel Model Design
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AIA A AlI ,POCO Sol....-
_ I n g Including
tho Now ~ o M z o o
forum
on. AerooPOco
Ex"".111""
AlAA2011-1306
_1 January
20", Orlllnclo, l o ~ o
Part 1: The Wind Tunnel Model Design and Fabrication of
Cal Poly's AMELIA 10 Foot Span Hybrid Wing-Body Low
Noise CESTOL Aircraft
Krj,lina
K. Jam",on I
Oa,id
D,
Mar'ha ll', Rory Goldcn', and Erio
Padano'
California PoiYlechnie Siale Uni"""ity, San Luis Ob"f'
."d
Richard
J.
Gaota'
Georgia Tech Research fnSliMe, A/fanta, GA 303)2-0844
Jay PateTSon'."d Dave
M.,on'
Patersonlal", fne .. Kenl, WA 98031
A coUai>oraUon bet. .een
Coliromia
Polytechnic
Corporation
Georgia Tech
Re.eorch In.tltu'" (GTRij ond DHC Engineering . .
orked on , NASA NRA to de
lop
prodlotlve .apabllJties ror tbe design ond
perform,noe
of Crul,e Emdent, Sbort Tok...Off
ond
Landing
(CESTOL) 'Ub'Dnle
ol..,r.ft, In
addillon, 0 lorge .eal. wind tunDel effort to
,aUdat. tb
e p
. .
didi.e o.pobiJlti
ror thl. NRA for o.rodyn.mic ond
ooou.lle
p.rform.nc. during to!leoff .nd landing ha, boon und.rtak.D.
Tb.
mod.l, Ad
no.d Model
fnr E.tr .me
ift
.nd Impro.ed Aeroacou,llo. (AMELIA),
wa.
designed 0 100
p,,,enger,
N+2 generotlon, reglonal, erul
mol.nt ,bort
tok
. ..
ff
'nd land (CllSTOLj alrUn",
with
hybrid bl.nded wing-body wltb drculallon contrnl nnd upper ,urf. . . blowing. Tbe model
design
wa.
roeu.ed on
ru.Hoylng' .nd nols.
gool
et
ODt by the NASA N+2 deflnUlon. The
AMELIA
hO' a
10 ft
wing
.p.n. P.t.....nL.b.
w
. .
oba
. .
n to build
AMELIA.
Th. Nollon.1
I'UIISoal. AerodynamIc Complex (NFAC) 40
ft
by 80
ft
wind tunnel wa. eho,.n to p.rform
the l.rg....
""I.
wind
runnelte.t
in
tb.
'Dmmer or 2011.
I. Introduction
1Assi.tant Professor, Aero,pace Engineering. San Lei' Obi.po, Ca 93407. AIAA Member,
1 Ass""iato Profossor, Aero.pace Engln.ering, San Lui, Obi,l"',
C.
93407, AIAA Member.
J
Graduat< Stud
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produoe lower "ol,e, lower emi ion,. ond higher p . r f o r t n i n ~ ,ubwnic aircl1lfl
for
'he Nexl Generation Air
Tran,portation SY'lem.
The work provided
in
thi, im'e,tigalion w
an NRA funded by Sub,onio Fi
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Figu.e
I
Conflg"rotion 1
i>
compri>otI of
o high o'pect rotio wing,
o ~ e
the wing
onglne" d
. .
nlolion CDnt.ol
at
the Irailing
otIgo oo w.ttachment.
The lhird configuration wa inspirotl by recent
in 're
in an
.ll
utiiizlng true Blended-Wing-Body (IlWB),
Thi, .i ,raft
mcept is 0 signiflc.nt departure from 'he n
...
t Wo
.irc
...
ft
de,ign,
thot the two rurboron
engines.re
embedded within the "ery thick
ing root; thi, ,an
bo
,oen
in
Fig. 3. The e hau't di,cbarges lhrough
high
a'pect ratio 2_D nozzle
at
'he t",ihng edge uf the ~ e h i l e The
intent i, not only to produce thruM through Ibi, noule throughout
the flight but to create incre.,ed flow circul.tion .round
Ibo
aircraft
generating odditional lift during tekeoff and I.nding.
The flnol and most complex de,ign i, ,hown in Fig. 4, termed
the Diamo"d-Wing-Body (DWB).
It m.y
be Ibought of
lIS
a loined_
Wing wilh a venic.1 'tructural raember joining the fore .nd
.ft
wings
at
,he outor ''Pan poinls,
Th.
int.nt i,
ro
improve locol oir
flow aud mi'ill"to ,hock funn.liou
ot
high suh
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Wing-Boxly-was best ,ulted for the AMELIA le,t. Figure 5 ,hows. rendering of Configuralion 2 In I1lghl 'fter
Figure 5. The
fin.
de,lgn l r o t l o ~ of Conflgurollon Z AME:LIA . rull ole concepluol model in flighl
ohove HowolL
many de'ign refin.menl iteralions,
B. AMI1UA De.lgn
Feoluro.
In
order to uliH,e lhc Configurotlon 2 gc.,metry in a large_,,,,,le wind tunnel
I ."
,"'ting, many de'ign
modifi""tion' were needed. The mo,t 'ignlfi'anl .iterolion 10 the geometry came
in
tho monnling 'y,tom of lhe
wind runnel model. A ,ting
wo-'
cho,en
. .
the ideal melhod to meo,ure aerodynamio fo",e'!IIId momont" mainly
for
its ability to lake measurements non-inlru,iveiy. Dire
.,f Iho
modd 10 lho
'ling
lhrongh lhe .ft end
r.i,ed
ooncern, with di,rurblng lhe fiow
"",uod
the be.ver tail, An underbody mount was d"'igoed to provide
.n
anachment lo""tlon with minim.i flow disturbance, The mount I, faired with a clllffi,hell hl.d. th.t extend,
vertically from the Sling tip. Tho blado mounl
al,o
'o. cost and compl""ity of Ihe model. dual radius flap, of 0".
)0',
60'
.nd 90 deflecllon'
were proposed 10 be manufactured, as oppo>ed
tn
a mochanio.1 nap where tho defleclion angle can
be
valied. The
90'
fiap defleolion
wa,
I.let chonged to
SO'
due to
I"ue,
Wilh
tho
mannfacturing
of
the flap with tho appropri.le
blowing .101 height Th. flap' of the Conflguratlon 2 deslQn were .1", modified to be a singl. cont;nuou, fi.p for
each wing, iu order to redn" the
.mounl
of flow dlsturbonee from disconlinuities of tho flap
surf".
as
well
a,
.llowing for less complkated cOnfiguralion chonQe, while lhe taodol i, monnted on the sting. A cut away ,'iew of
the model, wilh the 0" and
SO
fl.p, i 'hown
in
fig, 7. figure 7 .1'0 highlight, many of AMELIA', unique
f.atnr , ,uoh oa the internal fiow control ,ystems.'he balance block.
,nd
Ih. ,uppor t structure for the over the wing
monnted engine'.
,
Amer;can [nSliNte or Aeron.ulic
nd
Amon.utic,
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Ct:1
r
'Nota: All Dimensions In InGhas
l u r ~
6
A three-view drawing of AMELIA wlIb 'ling-blade attacbment and loll'o,ro. remo.ed.
~
.