Sathyabama Institute of Science and Technology B.E. - Automobile Engineering SAUA1504 Vehicle Body Engineering Syllabus

SATHYABAMA INSTITUTE OF SCIENCE AND TECHNOLOGY

SAUA1504 VEHICLE BODY ENGINEERING

UNIT 1 CAR BODY DETAILS 9 Hrs.
Types of car bodies, visibility: regulations, driver’s visibility, tests for visibility, methods of improving visibility and space in
cars safety: safety design, safety equipment for cars, car body construction - front assembly, roof assembly, under floor,
bonnet; design criteria, prototype making, initial tests, crash tests on full scale model

UNIT 2 VEHICLE AERODYNAMICS 9 Hrs.
Objectives, vehicle drag and its types; various types of forces and moments, effects of forces and moments, side wind
effects on forces and moments, various body optimization techniques for minimum drag, wind tunnel testing: flow
visualization techniques, scale model testing, component balance to measure forces and moments, aerodynamic study for
heavy vehicles, effects of different cabin to trailer body, pressure distribution, effects of a cab to trailer body roof height.

UNIT 3 BUS BODY AND COMMERCIAL VEHICLE DETAILS 9 Hrs.
Types: mini bus, single decker, double-decker, two level and articulated bus. Bus body layout; floor height, engine location,
entrance and exit location, seating dimensions, constructional details: frame construction, double skin construction, types of
metal sections used, regulations, conventional and integral type construction. commercial vehicle: types of body; flat
platform, drop side, fixed side, tipper body, tanker body, light commercial vehicle body types, dimensions of driver’s seat
relation to controls, drivers cab design.

UNIT 4 INTERIOR ERGONOMICS 9 Hrs.
Introduction, seating dimensions, interior ergonomics, seat comfort, driver seat design, dash board instruments, electronic
displays, commercial vehicle cabin ergonomics, mechanical package layout, goods vehicle layout. Vehicle stability:
Introduction, longitudinal, lateral stability, vehicle on a curvilinear path, critical speed for toppling and skidding, effect of
operating factors on lateral stability, steering geometry and stabilization of steerable wheels, mass distribution and engine
location on stability.

UNIT 5 BODY MATERIALS, TRIM AND MECHANISMS 9 Hrs.
Steel sheet, timber, plastic, glass, GRP, properties of materials; corrosion, anticorrosion methods, selection of paint and
painting process, adhesives, insulation, body trim items, body mechanisms.
Max.45 Hrs.

COURSE OUTCOMES
On completion of the course, student will be able to
CO1 - Discuss the different types of car body design and its safety features.
CO2 - Select a suitable body optimization techniques to minimize drag and able to describe the wind tunnel testing
procedure.
CO3 - Classify the various types of bus body construction and able to identify the body layout.
CO4 - Describe the different types of commercial vehicles and its design.
CO5 - Explain the various types of materials and painting techniques used in automobiles.
CO6 - Acquire knowledge about the corrosion coating methods

TEXT / REFERENCE BOOKS
1. Powloski J, “Vehicle Body Engineering”, Business Books Ltd., London 1989.
2. John Fenton, “Vehicle body layout and analysis”, Mechanical Engg. Publication ltd, London, 1982.
3. Kohli P. L, “Automotive Chassis & Body”, Papyrus Publishing House, New Delhi, 2010.
4. Wolf-Heinrich Hucho, “Aerodynamics of Road Vehicles” SAE International,USA,1998.
5. Robinson A.,Livesey W. A, “The Repair of Vehicle Bodies”, Butterworth - Heinemann Ltd,1989
6. John Fenton, “Vehicle Body Layout & Analysis”, Hutchinson, London, 1998
END SEMESTER EXAMINATION QUESTION PAPER PATTERN
Max. Marks: 100 Exam Duration: 3 Hrs.
PART A: 10 Questions of 2 marks each – No choice 20 Marks
PART B: 2 Questions from each unit with internal choice, each carrying 12 marks 80 Marks