Unit 1 Introduction to Vehicle Aerodynamics

6 lecture hours

•  Concept of Bluff Body and Aerodynamic Drag Forces: Understanding the bluff body concept and the factors influencing aerodynamic drag forces in vehicles
• Exploration of how drag affects vehicle efficiency and performance.  Types of Drag Forces and Drag Coefficients: In-depth study of pressure drag
• friction drag, and induced drag
• Introduction to drag coefficients and their significance in vehicle design.  Low-Drag Profiles for Vehicles: Examination of vehicle designs that minimize drag
• Discussion on streamlined shapes and their applications in modern vehicles.  Strategies for Aerodynamic Optimization and Development: Techniques such as wind tunnel testing
• computational fluid dynamics (CFD), and real-world testing for optimizing vehicle aerodynamics

Unit 2 Aerodynamic Shape Analysis

6 lecture hours

•  Front and Rear Modifications: Analysis of front and rear-end designs for reducing drag
• Impact of shapes such as round
• square, and chamfered edges on performance.  Wind Shield Angles and Tail Designs: Role of windshield inclination and tail designs (boat-tailing
• square- back) in aerodynamics
• Examination of optimal angles for reducing resistance.  Analysis of Dust Flow Patterns: Study of dust accumulation and flow patterns around vehicles
• Impact on vehicle cleanliness
• visibility, and component efficiency

Unit 3 Vehicle Safety Concepts

•  Introduction to Active and Passive Safety: Definitions and distinctions between active and passive safety systems
• Importance of these systems in accident prevention and 9 20 GUJARAT TECHNOLOGICAL UNIVERSITY Program Name: Master of Engineering Level: PG Branch: Mechanical (I.C Engine and Automobile Engineering) Subject Code : ME02080031 Subject Name : Automotive Aerodynamics and Safety w.e.f. 2024-25 https://syllabus.gtu.ac.in/ Page 3 of 5 mitigation.  Active Safety: Components such as driving safety (traction control
• lane assist)
• conditional safety (automatic braking)
• perceptibility safety (lighting
• alerts), and operating safety (steering and handling stability).  Passive Safety: Features addressing collision impact such as crumple zones
• energy-absorbing materials, and occupant restraint systems
• Study of exterior and interior deformation behavior of vehicle bodies

Unit 4 Safety Equipment and Regulations

6 lecture hours

•  Seatbelt Systems: Design and functioning of automatic seatbelt tighteners and advanced seatbelt mechanisms.  Collapsible Steering Columns and Tiltable Steering Wheels: Importance in minimizing driver injuries during collisions.  Electronic Airbag Systems: Functionality
• deployment mechanisms, and advancements in airbag technology.  Bumper Safety Designs: Analysis of bumpers designed for impact absorption and pedestrian safety.  Anti-Lock Braking Systems (ABS): Working principles
• advantages, and integration with other safety systems

Unit 5 Advanced Safety Systems

•  Speed Control Systems: Use of adaptive cruise control and speed governors to enhance driving safety.  Rear Object Detection Systems: Technologies such as ultrasonic sensors and rear-view cameras for preventing collisions.  Frontal Object Detection Systems: Radar and Lidar-based systems for early detection of obstacles and pedestrians.  Object Detection and Braking Mechanisms: Integration of object detection with automated emergency braking systems (AEB) to prevent collisions. 10 20 GUJARAT TECHNOLOGICAL UNIVERSITY Program Name: Master of Engineering Level: PG Branch: Mechanical (I.C Engine and Automobile Engineering) Subject Code : ME02080031 Subject Name : Automotive Aerodynamics and Safety w.e.f. 2024-25 https://syllabus.gtu.ac.in/ Page 4 of 5

Unit 6 Emerging Trends in Aerodynamics and Safety

8 lecture hours

•  Integration of AI and IoT in Vehicle Safety: Role of artificial intelligence and the Internet of Things in developing advanced driver-assistance systems (ADAS)
• predictive maintenance, and connected vehicles.  Simulations and Virtual Testing in Automotive Safety Systems: Use of software tools for simulating crash scenarios
• analyzing safety features, and improving system designs without physical testing