B.T3ch.(AE) (Sem.-6)
AUTOMOTIVE AERODYNAMICS
Subject Code : AE-316
Paper ID : [A0724]
Subject Code : AE-316
Paper ID : [A0724]
Time : 3 Hrs. Max. Marks : 60
INSTRUCTION TO CANDIDATES :
1.
SECTION-A is COMPULSORY consisting of TEN questions
carrying TWO marks each.
2.
SECTION-B contains FIVE questions carrying FIVE marks
each and students has to attempt any FOUR questions.
3.
SECTION-C contains THREE questions carrying TEN marks each and students
has to attempt any TWO questions.
SECTION-A
1.
Write briefly :
a)
What is aerodynamics?
b)
What is a drag force?
c)
Define bluff
body.
d)
What do you
understand by shape optimization?
e)
Explain the
principle of wind tunnel.
o) What is the function of transducers in wind
tunnel?
g)
How does drag
coefficient affect body shapes?
h)
What are the
effects of aerodynamic lift coefficient?
i)
What is meant by boat tailing?
j)
What do you
understand by gap configuration?
SECTION-B
2.
Discuss the
effects of aerodynamic pitching moment on the vehicle characteristics.
3.
Discuss different types of drag forces.
4.
How front end modifications help in the performance of a car? Discuss.
5.
Write a brief note on resistance to vehicle motion.
6.
How drag is reduced in commercial vehicle? Explain.
SECTION-C
7.
Explain a wind tunnel with neat sketch.
8.
9.
Discuss the effects of forces and me ) on the vehicle and how it
is
calculated.
calculated.
10.
Write a note on dirt accumulation on the vehicle.
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