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Syllabus implementation Workshop S.E. Mech/Auto w.e.f. 2013-14 Applied Thermodynamics ( 202050)

Syllabus implementation Workshop S.E. Mech/Auto w.e.f. 2013-14 Applied Thermodynamics ( 202050). Outline of the presentation. Syllabus overview (What to cover and what not to) Unit wise syllabus discussion. New online and offline format applied for AT. Unit wise mark distribution.

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Syllabus implementation Workshop S.E. Mech/Auto w.e.f. 2013-14 Applied Thermodynamics ( 202050)

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  1. Syllabus implementation Workshop S.E. Mech/Auto w.e.f. 2013-14 Applied Thermodynamics (202050)

  2. Outline of the presentation Syllabus overview (What to cover and what not to) Unit wise syllabus discussion. New online and offline format applied for AT. Unit wise mark distribution. Sample online MCQs and how to create. Animation MCQs-How to create. Care required for creating online question bank.

  3. Applied Thermodynamics (S. E. Sem II) (Lectures: 4 hrs/week, Practical: 2 hrs/week) Online exam – 50 marks Phase I (Unit 1 & Unit 2) - 25 marks (Tentative by Jan 3rd week, 2014) Phase II (Unit 3 & Unit 4) – 25 marks (Tentative Feb end, 2014) Offline exam – 50 marks (28/04 to 22 /05/14) - All 6 units - Weight age for first four units – 24 marks - Weight age for unit 5 & 6 – 26 marks Term work – 25 marks Term end: 29/03/14 Oral (03/04 to 22 / 04/14) – 50 marks (Based on the term work, practical's performed and theory syllabus) For online exams preferred books for teaching: 1. I. C. Engines by Prof V. Ganesan 2. I. C. Engines by Mathur & Sharma

  4. Slight Correction to note

  5. Weightage at a Glance

  6. Learning Objectives: 1. To get familiar with the fundamentals of I.C engines, construction and working principle of an engine, and testing of an engine for analyzing its performance. (Unit 1 and Unit 4) 2. To study the combustion and its controlling factors in order to design efficient engine (Unit 2 and Unit 3) 3. To study emissions from I.C. engines and its controlling methods, various emission norms. (Unit 5) 4. To understand theory and performance calculation of positive displacement compressors. (Unit 6)

  7. Prerequisites: • Basic Thermodynamics • Engg. Mathematics

  8. Unit I [10 hrs] • Basics of IC Engines, Fuel Air cycles and actual cycles • Part A] Basics of ICE [5 hrs] • - What is mean by engine and heat engine • Difference between IC & EC engine with examples • Construction: Different components of I. C. Engines and names of the • materials used for different components (Spark plug, engine block, • crank case, intake, exhaust manifold etc) there function, location. • Nomenclature: (TDC, BDC, Stroke, Swept vol, CC etc.) • Working of 4 stroke I. C. Engine –SI and CI, Difference between SI • & CI engine • - Working of 2 stroke IC Engine (Petrol)

  9. - Difference between two-stroke and four stroke engine. • Classification of I. C. Engines (Inline, radial, V-type, SI & CI, two- • stroke & four stroke etc.) • - Applications of IC Engines • -Theoretical and actual valve timing diagrams. • - Intake and Exhaust Systems (Manifolds and their requirements) • Part B] Fuel air cycle and actual cycle [05 hrs] • Give reference of air standard cycle and start the topic • - What is Fuel air cycle, its assumptions • - Comparison with air standard cycle • Factors affecting fuel air cycle analysis (Composition of cylinder gases, • specific heat variation, dissociation and molecular change) • Effect of operating variables (CR, AF ratio) on cycle analysis • performance • - Actual cycle and various losses.

  10. Unit I [10 hrs] • Online exam (Compulsory weight age 13 marks): • - Only theoretical treatment. • No numerical would be asked on unit 1 for online exam. • Offline exam (Compulsory weight age 6 marks): • Q 1 a or Q 2a (6 marks). • Only theoretical question for 6 marks for offline exam. • No mathematical treatment. • Total weight age (out of 100 marks): 19 marks.

  11. Unit II [5 hrs]: SI Engines • Theory of Carburetion: Definition, Factors affecting process, mixture • requirements, simple carburettor, any one modern carburettor • explaining various systems satisfying varying requirements of AF ratio • Types of carburettors (Up draught, Down draught, Side draught) • Electronic fuel injection system (MPFI system working and its different • sensors) • Combustion in SI engines (Nature) • Stages of combustion • Factors affecting combustion: Ignition delay and flame speed, effect of • engine variables on those factors) • Abnormal combustion, Phenomenon of Detonation in SI engines • Effect of engine variables on Detonation. • Combustion chambers and their requirements • Rating of fuels in SI engines – Octane rating and performance number • Additives or dopes for SI Engines

  12. Unit: II [05 hrs] • Online exam (Compulsory weight age 12 marks): • - Only theoretical treatment. • No numerical would be asked on unit 2 for online exam. • Offline exam (Compulsory weight age 6 marks): • Q 1 b or Q 2 b (6 marks). • Only theoretical question for 6 marks for offline exam. • No mathematical treatment. • Total weight age (out of 100 marks): 18 marks.

  13. Unit III [5 hrs]: CI Engines • - Need of injection (Why carburetor is not used?) • - Requirements of fuel injection system • - Types of fuel injection system (air injection and solid injection) • - Solid injection system types • - Jerk type of fuel pump • Fuel injector and types of nozzles. • Combustion in CI Engine (Nature) • Stages of combustion, • Factors affecting combustion – ignition lag and effect of variables on it • Phenomenon of knocking in CI engine. • Effect of knocking, • Methods of knock control, • Combustion chambers and their requirements • Rating of fuels in CI engines – Cetane number • Dopes & Additives, • Comparison of knocking in SI & CI engines.

  14. Unit III [05 hrs] • Online exam (Compulsory weight age 12 marks): • - Only theoretical treatment. • No numerical would be asked on unit 3 for online exam. • Offline exam (Compulsory weight age 6 marks): • Q 3 a or Q 4 a (6 marks). • Only theoretical question for 6 marks for offline exam. • No mathematical treatment. • Total weight age (out of 100 marks): 18 marks.

  15. Unit IV [07 hrs]: Testing of IC Engines & Supercharging • Part A] Testing of IC Engines [05 hrs] • Objective of testing • Various performance parameters for I.C. Engine – Power, Fuel • consumption, SFC, mep, AF ratio, Various efficiencies, Heat balance • sheet, exhaust emissions • Methods to determine various performance parameters, characteristic • curves (Effect of variable speed and load on above performance • parameters) • Part B] Supercharging [2 hrs] • Objectives, Thermodynamic cycle with supercharging, Effects of • supercharging in SI and CI engines, • Supercharging methods : Externally driven supercharger, engine driven • supercharger, turbocharger, use of underside of the piston for • compressing air • Turbo-charging methods: Pulse, Constant pressure, pulse converter • turbo charging.

  16. Unit IV [07 hrs] • Online exam (Compulsory weight age 13 marks): • - 9 marks theoretical treatment. • 2 small numerical (2/3 steps maximum) on engine performance for 4 • marks. • Offline exam (Compulsory weight age 6 marks): • Q 3 b or Q 4 b (6 marks). • Q 3 b. Theory or numerical (6 marks) or Q 4 b. Theory or Numerical • (6 marks) • Total weight age (out of 100 marks): 19 marks • 10 marks numerical out of 19 possible (online 4 marks + offline 6 • marks)

  17. Unit V [10 hrs]: I.C. Engine Systems & Emission Control • Part A] I.C. Engine Systems [06 hrs] • Cooling System: Necessity of cooling, effects of overheating, air cooling, water cooling and their comparison, types of water cooling (thermo syphon, forced cooling , pressurised and evaporative cooling), radiators and use of antifreeze solutions • Lubrication System: Need, Mist lubrication, Wet sump (Splash, modified splash, full pressure lubrication system), dry sump lubrication system. Properties of good lubricating oil. • Ignition System: Necessity, Requirements of ignition system, Conventional ignition system (Battery and magneto and their comparison, electronic ignition system (TCI and CDI), Comparison of conventional and electronics ignition system, Spark advance (Centrifugal advance and vacuum advance), Firing order

  18. Governing system: Necessity, Quality, Quantity and hit and miss governing • Starting System: Hand or kick starting, electrical starting, compressed air starting and auxiliary engine starting • Part B] IC Engines Emissions and Control [04 hrs] • Air pollution due to IC engine and its effect, Emissions from petrol/gas and diesel engines, Sources of emissions, Euro norms, Bharat stage norms, Emission control methods for SI and CI engines – Catalytic Converters, Thermal reactors, traps or filters, Evaporative emission control, EGR

  19. Unit V [10 hrs] • Offline exam (Compulsory weight age 13 marks): • Q 5 or Q 6 (13 marks). • Only theoretical question. • No mathematical treatment. • Q 5 a. Theory 6 marks • Q 5 b. Theory 7 marks • OR • Q 6 a. Theory 6 marks • Q 6 b. Theory 7 marks • Total weight age (out of 100 marks): 13 marks.

  20. Unit VI [10 hrs]: Positive Displacement Compressors • Part A] Reciprocating Compressor • Introduction • Definition, Applications, types • - Single stage compressor • Computation of work done, isothermal efficiency, mechanical • efficiency, effect of clearance volume on volumetric efficiency, fators • affecting volumetric efficiency, Free air delivery, Theoretical and actual • indicator diagram, Numericals on Single stage • - Multistaging of compressor • Computation of work done, Volumetric efficiency, Condition for • maximum efficiency, Inter-cooling and after cooling, Capacity control • of compressors, Numericals on multistage • Part B] Rotary Compressor • Introduction, Comparison of reciprocating with rotary, vane • compressors, roots blower, screw compressor , Numericals on rotary compressor

  21. Unit VI [10 hrs] • Offline exam (Compulsory weight age 13 marks): • Q 7 or Q 8 (13 marks). • Q 7 a. Theory 6 marks • Q 7 b. Numerical on compressor 7 marks • OR • Q 8 a. Theory 6 marks • Q 8 b. Numerical on compressor 7 marks • Total weight age (out of 100 marks): 13 marks.

  22. Syllabus overview (Theory-Numerical perspective) • Total Numericals • Unit 4 (Testing of I.C. Engines) – 10 marks • Online 4 marks (Phase 2 online exam) - Compulsory • Offline 6 marks (Phase 3 - Q 3 b and/or Q 4 b) • Unit 6 (Positive displacement compressors) – 14 marks • 7 marks on single stage (Phase 3 - Q 7 b) • 7 marks on multi stage (Phase 3 – Q 8 b) • One Numerical of 7 marks compulsory either on single stage or multistage • Summary: • 11 marks numerical – 89 marks theory weight age possible. • OR • 17 marks numerical - 83 marks theory weight age possible.

  23. OFFLINE EXAM FORMAT (50 marks, 2 hours duration)

  24. Following would be the format for offline exam (50 marks 2 hour duration) Note: Solve Q1 OR Q2, Q3 OR Q4, Q5 OR Q 6, Q7 OR Q 8.

  25. OFFLINE EXAM Following would be the format for offline exam (50 marks 2 hour duration), Note: Solve Q1 OR Q2, Q3 OR Q4, Q5 OR Q 6, Q7 OR Q 8.

  26. Creating Interest ….. • Ask them to collect the names of automobile manufacturer company and location of factory • Arrange small quiz after college hrs. • Ask them to collect info about various abbreviations • Show actual parts of the engine • Show animations of various systems • Ask students to watch Automobile TV shows • Ask students to read auto magazines

  27. List of Practicals: 1. Study of Carburettor 2. Study of Fuel pump and injector 3. Study of Ignition System 4. Demonstration & study of commercial exhaust gas analyzers. 5. Test on Multi cylinder Petrol/ Gas engine for determination of Friction power. 6. Test on diesel engine to determine various efficiencies, SFC and Heat balance sheet. 7. Test on variable speed diesel / petrol engine. 8. Test on variable compression ratio engine. 9. Visit to Automobile service station 10. Test on Positive Displacement Air Compressor 11. Assignment on any one advanced technology related to I.C. Engine such as VVT, VGT, HCCI 12. Assignment on alternative fuels used in I.C. Engines Notes: 1. Total 8 practicals should be performed. 2. Out of 5,6,7,8 any three. 3. 9 & 10 are compulsory. 4. Out of 11 & 12 any one.

  28. While writing journal…… • Neat schematic diagrams with proper lables – Ask students to follow simple engg. drawing rules. • Proper margins from both sides. • Student should write all the experiments. Printouts should not be given. • **Preferably to avoid mistakes, students should not be given old journals, they should be made to write there own experiment in prescribed standard format.

  29. Text Books • V. Ganesan: Internal Combustion Engines, Tata McGraw-Hill • M.L. Mathur and R.P. Sharma: A course in Internal combustion • engines, Dhanpat Rai • H.N. Gupta, Fundamentals of Internal Combustion Engines, PHI • Learning Pvt. Ltd. • Reference Books • Heywood: Internal Combustion Engine Fundamentals, Tata McGraw- • Hill • 2. Domkundwar & Domkundwar: Internal Combustion Engine, Dhanpat • Rai • 3. R. Yadav: Internal Combustion Engine, Central Book Depot, • Allahabad

  30. ONLINE EXAM FORMAT Phase 1 - Duration = 30 minutes. - Weight age = 25 marks - Syllabus: Unit 1 & 2.

  31. ONLINE EXAM FORMAT – Phase I TYPE A: 1 mark questions on basic concepts, definitions. TYPE B: 2 mark difficult and tricky questions based on theory of I. C. Engines. TYPE C: 1 mark questions using diagrams and figures from of I. C. Engines (Images can be used from soft copy of I. C. Engines book or directly can be downloaded from Google). TYPE D: 1 mark Animations on I. C. Engine (GIF format only) Unit 1, 2 syllabus.

  32. ONLINE EXAM FORMAT – Phase I

  33. ONLINE EXAM FORMAT - Phase 2 - Duration = 30 minutes. - Weight age = 25 marks - Syllabus: Unit 3 & 4.

  34. ONLINE EXAM FORMAT – Phase 2 TYPE A: 1 mark questions on basic concepts, definitions. TYPE B: 2 mark difficult and tricky questions based on theory of I. C. Engines. TYPE C: 1 mark questions using diagrams and figures from of I. C. Engines (Images can be used from soft copy of I. C. Engines book or directly can be downloaded from Google). TYPE D: 2 mark, 2 numerical on unit 4.

  35. ONLINE EXAM FORMAT – Phase 2

  36. ONLINE EXAM FORMAT Numerical should not be very lengthy to solve maximum 2 / 3 steps should be required for attempting the numerical. Separate file for each type (A, B, C, D) should be made for each unit i.e. each unit will have 4 different files total number of files to be prepared = 16. Online questions are strictly to be made in university open office format only. Open office latest version can be free downloaded from google

  37. MCQ FILE NOMENCLATURE FOR SUBMISSION • Files should be named in following format strictly, for easy identification while submitting the question bank i.e. • Unit I Question Bank submission: • Unit 1 Type A – Name the file as A1.odt • Unit 1 Type B - Name the file as B1.odt • Unit 1 Type C - Name the file as C1.odt • Unit 1 Type D - Name the file as D1.odt • Unit 2 Question Bank submission: • Unit 2 Type A – Name the file as A2.odt • Unit 2 Type B - Name the file as B2.odt • Unit 2 Type C - Name the file as C2.odt • Unit 2 Type D - Name the file as D2.odt • Unit 3 Question Bank submission: • Unit 3 Type A – Name the file as A3.odt • Unit 3 Type B - Name the file as B3.odt • Unit 3 Type C - Name the file as C3.odt • Unit 3 Type D - Name the file as D3.odt

  38. Why it is important naming the files A1, A2, A3, A4 during the MCQ submission? • This would help in, • Easy identification of the unit wise questions • different faculty member should follow uniform nomenclature towards Multiple choice question contribution for online examination. • Reduce the effort while compilation of the questions before submitting the same to the University.

  39. SAMPLE TEMPLATE

  40. SAMPLE ONLINE QUESTION

  41. SAMPLE ONLINE QUESTION • Type A1 questions:

  42. SAMPLE ONLINE QUESTION • Type B1 questions:

  43. Type C1 questions:

  44. Type D1 questions:

  45. How to create Animation MCQs with Demonstration • Animations to be downloaded from Google. • The file should be in GIF format. • Write click and save as file to destination folder. • Copy and paste the GIF file into the question space. • Rest question space if short can be increased by entering number of lines to accommodate the animation. • question, options, answer, unit other details to be filled • as usual. • How to check animations are working or not? • - Please check whether the animations are working and image size and clarity is visible by • - Go to File Menu / Preview in Web Browser. • A web browser window will automatically open. • Check in browser that the animation is working and image clarity is OK.

  46. CIRCULATE TEMPLATE OPEN OFFICE CAN BE FREE DOWNLOADED FROM GOOGLE

  47. Important points while creating the MCQ question bank

  48. Important points while creating the MCQ question bank • Please note that while moving to the next question simply copy and paste the template on the next line (PLEASE DO NOT USE ENTER BUTTON WHILE COPYING AND PASTING THE TEMPLATE FOR CREATING NEXT QUESTION). • USING ENTER WOULD CREATE BLANK QUESTIONS IN THE ONLINE EXAM CAUSING INCONVINENCE TO THE STUDENTS.

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