aerodinamika 2
DESCRIPTION
materi kuliyah aerodinamikaTRANSCRIPT
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UJIAN TENGAH bEHESTER
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9 Novenber !9Bg
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Iw a k t u : O 7 - O O - 0 9 . Q O
ruanq : Fuang kul iah Tek. Pealei_tra{_}qan
i)( l t . ^ .r .
l-{,'Atiran-aLiran yang bagaimanakeh yang dapsi diLatsl . :an ser lrPa
( s i m i l a r ) ?
J e l a s k a f t ( r i n q l i a s I ) F r i n = i p
I eorema t - i l JUct i lnghaf i -
anai i=is d i f ien6i onal dengan
yanq o l mar.sua oenqan :
A a l i ran kont inum (ccnt j . nu l rn)
,q.
b e b a 6 ( + r e e m o l e c l a r )
a n g m a n a k a h ( 1 . i h a t p e r t a n y a a n z a . )
f - a l i r en me leku l
A-b. Fendekatan al iran y
anda guna| an dslrm
vans
I-s- t"'
m e n u r u n i ' a n p e r s a m a t s n a t L r r N a v i p r - S i o k e s ,
S e b u t k a n t i q a p r i n 5 i F d a s a r y a n q d i p e r l u k a n u n t u k
pengaoatan/anal is is tEnomena al i ran udara.
4
, \ '
b. Jelaskan seEara r ingkae pendekatan model ber ik{-r t inr :
- Fini te control v(Jl ume
- I n f i n i t e g i m a l + 1 u i d e l e m e n t
c. Berial iu unt l rk al i ran yan,q bageimanakah pprsamaan*persaotair
b e r i l i u t i n i :
- FFrsamaan Navi er-Stokeg
- Persamaan Eul er
- Fereamaan Laplace
lJ o. .. AFa yanq di f taksud dPngan- St l .Faml ine
_ : t ; r 5 n
- al i ran i Fctasi onal.- =i rkul as, i
1
:
)*1
T u l i s k a n d e + i n i s i
y6ng b69ai manahah
d i d e { i n i E i k a n ?
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te.sebut daF; i
o
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Oiber iken suetu f tedan keEepatan d im
a d a l a h s b b . :
L { = C y / ( x + y }
v = - c ) j . , t l i + y )
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l = e b B a h s l r m b e r ( s B u r c F ) d i l e t a i . t a n s
i l i h ; i q a m t r a r ) . T e n t u k a n b e e a F d E n
0/ - _ S {
e p " p P n q P r t i a n + i 5 i s d e f i n i E t F u n q € i A r r E ( S t r e a o { u n . t 1 o n }
Cst;ten r ,A
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