ME- 448- E EMERGING AUTOMOTIVE TECHNOLOGIES

Sessional : 50 Marks
Theory : 100 Marks

UNIT I The Future Of The Automotive Industry : Challenges and concepts for the 21^st century. Crucial issues facing the industry and approaches to meet these challenges.

UNIT II Fuel Cell Technology For Vehicles : What is fuel cell, Type of fuel cell, Advantages of fuel cell. Current state of the technology. potential and challenges. advantages and disadvantages of hydrogen fuel.

UNIT III Latest Engine Technology Features : Advances in diesel engine technology. Direct fuel injection gasoline engine. Diesel particulate emission control. Throttling by wire. Variable valve timing, method used to effect variable Valve Timing. Electromagnetic Valves, Camless engine actuation.

UNIT IV 42 Volt System : Need, benefits, potentials and challenges. technology implications for the Automotive Industry. Technological evolution that will occur as a result of the adoption of 42 volt systems.

UNIT V Electrical And Hybrid Vehicles : Types of hybrid systems, Objective and Advantages of hybrid systems. Current status, Future developments and Prospects of Hybrid vehicles

UNIT VI Integrated Starter Alternator: Starts stop operation, Power assist, regenerative braking. Advanced lead acid batteries, Alkaline batteries, Lithium batteries, Development of new energy storage systems, Deep discharge and rapid charging ultra capacitors.

UNIT VII X-By Wire Technology : What is X-By Wire, Advantage over hydraulic systems. Use of Automotive micro controllers. Types of censors. Use of actuators in an automobile environment.

UNIT VIII Vehicles Systems : Constantly Variable Transmission, Benefits, Brake by wire, Advantages over power braking System. Electrical assist steering, Steering by wire, advantages of Steering by wire. Semi-active and fully-active suspension system. advantages of fully active suspension system.

Text & Reference Books :

1. Advanced Vehicle Technologies by Heinz Heisler-SAE International Publication.

2. Electric and Hybrid Electric vehicles by Ronald K. Jurgen.- SAE International Publication

3 .Electronic Braking, Traction and Stability control-SAE Hardbound papers.

1. Electronics steering and suspension systems- SAE Hardbound papers.
2. 42 Volt system by Daniel J. Holt- SAE International Publication
3. Diesel Particulate emission by J.H. Johnson- SAE Hardbound papers.

7. Fuel Cell Technologies for vehicles by Richard Stobart- SAE Hardbound papers.

Note : In the semester examination the examiner will set 8 questions, at least one question from each unit. Students will be required to attempt five questions.

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ME- 446 E MODERN MANUFACTURING PROCESSES

Sessional : 50 Marks
Theory : 100 Marks

Unit I Mechanical Processes: Ultrasonic Machining- Elements of process, cutting tool system design, effect of parameters, economic considerations, applications, limitations of the process, advantages and disadvantages. Abrasive Jet Machining- Variables in AJM, metal removal rate in AJM. Water Jet Machining- Jet cutting equipments, process details, advantages and applications.

Unit II Electrochemical and Chemical Metal Removal Processes: Electrochemical Machining- Elements of ECM process, tool work gap, chemistry of the process, metal removal rate, accuracy, surface finish and other work material characteristics, economics, advantages, applications, limitations. Electrochemical Grinding – Material removal, surface finish, accuracy, advantages, applications.

Unit III Thermal Metal Removal Processes: Electric Discharge Machining (EDM) or spark erosion machining processes, mechanism of metal removal, spark erosion generators, electrode feed control, dielectric fluids, flushing, electrodes for spark erosion, selection of electrode material, tool electrode design, surface finish, machining accuracy, machine tool selection, applications. Wire cut EDM. Laser beam machining (LBM)- Apparatus, material removal, cutting speed and accuracy of cut, metallurgical effects, advantages and limitations.

Unit IV Plasma Arc Machining (PAM): Plasma, non thermal generation of plasma, mechanism of metal removal, PAM parameters, equipments for D.C. plasma torch unit, safety precautions, economics, other applications of plasma jets. Electron Beam Machining (EBM) – Generation and control of electron beam, theory of electron beam machining, process capabilities and limitations.

Text Books :

1. Modern Machining Processes – P.C.Pandey, H.S.Shan, Tata McGraw Hill

2. Machining Science- Ghosh and Malik, Affiliated East-West Press

Reference Books :

1. Non Traditional Manufacturing Processes- Benedict G.F, Marcel Dekker

2. Advanced Methods of Machining- Mc Geongh J.A, Chapman and Hall

Note: In the semester examination, the examiner will set eight questions in all , taking at least 2 questions from each unit. The students will be required to attempt only five questions.

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