UNIVERSITY POLYTECHNIC B.I.T., MESRA, RANCHI

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1 COURSE STRUCTURE SEMESTER V (Total Unit 7.0) Course Code Theory Unit Course Code Sessional Unit DMM 5001 Automobile Engineering 1.0 DMM 5002 Automobile Engineering 0.5 Lab. DMM 5003 CAD/CAM 1.0 DMM5004 CAD/CAM Lab. 0.5 DMM 5005 I.C. Engines & Gas 1.0 DMM 5006 I.C. Engine Lab. 0.5 Turbines DMM5007 Heat Transfer 1.0 DMM 5008 Heat Transfer Lab. 0.5 DMM 5012 Project

2 SUBJECT - AUTOMOBILE ENGINEERING Course Code: DMM 5001 Module 1 INTRODUCTION: Basic units, major components of engine, mechanism of operation, Four- Stroke and two - Stroke Petrol and diesel engine, their applications, specification of Auto engines, classification of automobile engine. (5) Module 2 CONSTRUCTIONAL DETAILS OF AUTOMOTIVE ENGINE : Introduction, multi-valve overhead cam system, Crank case, Cylinder liner, piston, rings, Connecting rod, crank shaft, Main bearing, Cam shaft, Valves, Valves seats, Valve mechanism, Valve timing gears, balancing, flywheel, Vibration damper, timing order. (6) Module 3 AUTOMOBILE ELECTRICAL & INSTRUMENTATION SYSTEM Charging System, Various Automobile lighting Circuits, Indicator lights & Warning Devices. Electrical Accessories, Analog & Digital Instrumentation of Auatomobile. (6) Module 4 IGNITION SYSTEMS : Requirements, types, components, automotive ignition timing, distribution system, spark plug, electronic ignition system, distributor less ignition system. (5) Module 5 ENGINE PERFORMANCE Performance parameter, power and mechanical efficiency, torque and mean effective pressure, specific output, volumetric efficiency, fuel-air ratio, specific fuel consumption, thermal efficiency, and heat balance. (6) Module 6 MEASUREMENT & TESTING IN ENGINES Measurement of air consumption, measurement of BHP by Rope brake arrangement, measurement of FHP by Morse test & Willian s line. (6) Module 7 HEATING AND AIR CONDITIONING Refrigeration cycle components & their functions of air conditioning systems of an automobile. Heating systems of an automobile. Air conditioning and heating system diagnosis and service. (6) BOOKS : 1. Automotive Engines BY S. Srinivasan 2. Automobile Engineering BY K.M. Gupta 3. Automobile Engineering BY K.K. Ramalingam 4. Internal Combustion Engines BY Shyam K. Agrawal 5. Internal Combustion Engines BY Feruson & Kirkpartrick 2

3 SUBJECT : CAD/CAM Course Code: DMM 5003 Module-1: Basic Concepts: Introduction of Computer Aided Design, The Design Process, Product Cycle, CAD/CAM Developments, Definition of CAD/CAM Tools, Hardware and Software requirement of CAD, Engineering Application of CAD. Module-2: Computer Graphics: Graphic System: CRT, Raster Scan system and Display process, Random Scan System and display, direct view storage tubes. Module-3: Output primitive: Line draw algorith DDA & Bresenhems, cirle generating algorithm Mid point circle Algorithm. Module-4: Geometric Transformations: 2D & 3D Transformations. Translation, Rotation, Scaling, Reflection, Homogeneous co-ordinates, windowing & clipping, View coordinate Reference frame, point & Line clipping algorithm. Module-5: Curve Surface: 2D Conic & 3D Hermite, Bazier & B-spline curves. Bazier & B-Spline surfaces. The various surface representation scheme & techniques. Module-6: Solid Modeling: Geometric modeling: Wire frame, surface & solid modeling. Techniques for volume modeling. Boundary Representation and coustructive Solid Geometry method. Module-7: Introduction to CAM & ROBOTICS: Concept of numerical control machine & CNC machine & NC co-ordinate system. Concept & Introduction of Robotics Text Book: 1. CAD/CAM by Ibrahim Zeid,Tata McGraw Hill Publishing Comp. Ltd., New Delhi Reference Books: 1. Computer Graphics by Hearn & Baker, Publication Prentice Hall. 2. CAD/CAM by Chirs McMohan, Publication: Pearson Education Asia. 3. Computer Aided Design by R.K. Srivastava, Umesh Publication. 4. CAD/CAM by M.P. Groover 3

4 SUBJECT : I.C. ENGINES & GAS TURBINES Course Code: DMM 5005 Module-1 Introduction: Classification of I.C. Engine, fundamental difference between S.I. and C.I. engines, Comparison of two stroke and four stroke engine, Air Standard Cycles: Otto, Diesel, Dual, Joule and Brayton cycles, Fuel-air Cycles and their analysis. Module-2 Fuels and combustion: Different types of fuels and their properties, chemical composition, octane and cetane number, knocking rating, additives, stochiometric reaction. Module-3 Carburation, Injection and supercharging: Introduction, MPFI system. Injection system of C.I. engines, Introduction of supercharging, its purpose. Module-4 Engine Cooling and Lubrication: Introduction, air and water cooling, thermo syphon, pump circulation, properties of lubricating oil, Role of Additives. Module-5 Testing and Performance: Introduction, measurement of air, fuel consumption, indicated power, brake power, Morse test, Heat balance sheet, governing of I.C. engine, performance parameter of S.I. and C.I. engine. Module-6 Gas turbine and Jet Propulsion: Theory of gas turbine, thermodynamic analysis of Brayton cycle, and with regeneration, reheat, intercooling. Compressor and turbines isentropic efficiency. Jet propulsion cycle, elementary idea of turbojet. (9 Lectures) Module-7 Engine Emission: Introduction, engine emissions and their effects, gasoline and diesel emission, methods of measuring pollutants. Text Book: 1. Internal combustion engines by E.F.Obert. 2. Gas turbine Theory by Cohen Roger. Reference Books: 1. A course in Internal Combustion Engines by M.L. Mathur and R.P. Sharma. 2. Gas Turbine Jet and Rocket Propulsion by M.L.Mathur and R.P.Sharma. 4

5 SUBJECT : HEAT TRANSFER Course Code: DMM 5007 Module 1 Introductory concepts, modes of heat transfer conduction, convection and radiation, basic equations and applications, one dimensional heat conduction without heat generation, composite walls, cylinders and spheres, electrical analogs of thermal systems. Module 2 Extended surfaces (Fins) : General equation, temperature distribution, heat flow, fin efficiency, effectiveness. Module 3 Radiation: Definition and laws of thermal radiation, black body, real surfaces, gray surfaces, radiation properties, electrical analogy, radiation shield, gas radiation basics only. Module 4 Convection: Natural and forced convection, concept of viscous and thermal boundary layers, laminar and turbulent flow, continuity equation, momentum equation, energy equation. Module 5 Forced Convection: Dimensional analysis, Nusselt number, force convection for internal flowlaminar. Module 6 Natural convection: Grashoff number, analytical method, integral method, constant heat flux, horizontal flat surfaces, simplified correlation for air, combined free and forced convection. Module 7 Heat Exchanger: Types of heat exchanger, LMTD method of analysis, storage type exchangers, basic ideas of boiling process. Books: 1. Heat and Mass Transfer by F. Kids 2. Heat and Mass Transfer by J.P. Holman 3. Heat and Mass Transfer by C.P. Kothandraman 4. Heat and Mass Transfer by D.S.Kumar 5. A course in Heat Transfer by Arora and Domkundwar 5

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