Roll No............ Total
No. of Pages: 02
B. Tech. (AE) (Sem.-6th)
AUTOMOTIVE AERODYNAMICS
Subject Code: BTAE-604
Paper ID: [A2383]
Time: 3 Hrs. Max. Marks: 60
INSTRUCTIONS TO CANDIDATE:
1. Section-A is compulsory.
2. Section-B Attempt any four
questions.
3. Section-C Attempt any two
questions.
SECTION -A (1oX2=20)
Q. 1. Write Briefly:
(a) State specific gravity.
(b) Define drag coefficient.
(0) Describe two practical
objective of aerodynamics.
(d) What is meant by
wind-rush noise?
(e) List four aerodynamic
variables & state their effect?
(t) What are the design
factors to remove water & dirt accumulation on body?
(g) What are fast back and
square back?
(h) Describe the effect of
front end & A-pillar on the flow field.
(i) Define drag force.
(j) Name the road testing
methods.
SECTION-B (4X5=20)
Q. 2. How does roof,
windshield wiper effect the flow field in aerodynamics?
Q. 3. Discuss in detail drag
reduction in commercial vehicles.
Q. 4. Explain briefly effects
of gap configuration in relation to shape optimization of cars.
Q. 5. Describe strategies for
aerodynamic development.
Q. 6. Write a note on dirt
accumulation on the vehicle with regards to vehicle handling.
Q. 7. Discuss in detail full
scale wind tunnels for Automotive Aerodynamics.
Q. 8. Write short notes on:
(a) Analysis of aerodynamic
drag
(b) Shape optimization of
cars
(0) Stress with scale models
Q. 9. Explain transducers,
equipments and scale models in relation to Automotive Aerodynamic.
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