wtt int 1
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wind tunnel qpTRANSCRIPT
7/18/2019 WTT INT 1
http://slidepdf.com/reader/full/wtt-int-1 1/1
Hindusthan College of Engineering and Technology
Coimbatore – 641 032Deartment of !eronautical Engineering
"n terna l E#am – "
Class$ """ year%&" 'E( !E)* !cademic year$ 2013+14 E&E, 'E(
-atch$ 2011+1.
!E23.3 – /",D T,,E TECH,"E'
Time$ 120 minutes Total (ars$ .0
!)T+ ! !ns5er !ll the uestions 10 # 2 20
17 Define similarity rule7
27 /hat do you mean by energy ratio8
37 Distinguish bet5een oen circuit 9 closed circuit 5ind tunnel7
47 /hy is 5ind tunnel testing necessary8
.7 Define turbulence factor7
67 (ention the go:erning la5s of 5ind tunnel8
;7 /hat is the significance of energy ratio8<7 /hat are the basic comonents of intermittent tunnel8
=7 /rite the secial feature of transonic 5ind tunnel7
107 /hat is static ressure gradient in 5ind tunnels8!)T+ - !ns5er !ll the uestions 3 # 10 30
117 a> Define the follo5ing non+dimensional numbers$ force coefficient?
Euler number? )eynold@s number and moment coefficient7 Ho5 do
the model scale effects influence the 5ind tunnel test results8
A*r>
b> E#lain 5ith suitable setches for calibration of lo5 seed /ind
Tunnel7
127 a> Enumerate the different tyes of 5ind tunnels and gi:e the basic
differences of oen Bet tunnels7
A*r>
b> Aa> Dra5 the layout of a transonic 5ind tunnel7
Ab> E#lain in detail? some of the secial roblems encountered in
the testing of Transonic seed regimes7
137a> E#lain the :arious o5er losses in a return+tye 5ind tunnel7
A*r>
b> E#lain in detail about the blo5 do5n and indraft 5ind tunnel 5ith
suitable diagrams7
Hindusthan College of Engineering and Technology
Coimbatore – 641 032Deartment of !eronautical Engineering
"nternal E#am – "
Class$ """ year%&" 'E( !E)* !cademic year$ 2013+14 E&E, 'E(
- atch$ 2011+1.
!E23.3 – /",D T,,E TECH,"E'
Time$ 120 minutes Total (ars$ .0
!)T+ ! !ns5er !ll the uestions 10 # 2 20
17 Define similarity rule7
27 /hat do you mean by energy ratio8
37 Distinguish bet5een oen circuit 9 closed circuit 5ind tunnel7
47 /hy is 5ind tunnel testing necessary8
.7 Define turbulence factor7
67 (ention the go:erning la5s of 5ind tunnel8
;7 /hat is the significance of energy ratio8<7 /hat are the basic comonents of intermittent tunnel8
=7 /rite the secial feature of transonic 5ind tunnel7
107 /hat is static ressure gradient in 5ind tunnels8!)T+ - !ns5er !ll the uestions 3 # 10 30
117 a> Define the follo5ing non+dimensional numbers$ force coefficient?
Euler number? )eynold@s number and moment coefficient7 Ho5 do
the model scale effects influence the 5ind tunnel test results8
A*r>
b> E#lain 5ith suitable setches for calibration of lo5 seed /ind
Tunnel7
127 a> Enumerate the different tyes of 5ind tunnels and gi:e the basic
differences of oen Bet tunnels7
A*r>
b> Aa> Dra5 the layout of a transonic 5ind tunnel7
Ab> E#lain in detail? some of the secial roblems encountered in
the testing of Transonic seed regimes7
137a> E#lain the :arious o5er losses in a return+tye 5ind tunnel7
A*r>
b> E#lain in detail about the blo5 do5n and indraft 5ind tunnel
5ith suitable diagrams7