Semester - [I

University of Pune, Pune

S.E. (Mechanical, Mechanical Sandwich &Automobile) - 1l (2012Pattern)

Theory of Machines - I QA2048)

Teaching scheme

Lectures: 4 Hrs/week

Practical: 2 Hrs/week

Examination Scheme

Theory (Online): 50 marks

Theory (Paper): 50 marks

Term work: 25 marks

( $ Common Oral will be based on both TOM-I and TOM-II term work at end of First

Semester of T.E.)

LEARNING OBJECTIVES:

l. To make the student conversant with commonly used mechanism for industrial application'

2. To develop competency in drawing velocity and acceleration diagram for simple and complex

mechanism.

3. To develop analytical competency in solving kinematic problems using complex algebra method'

4. To develop competency in graphical and analytical method for solving problems in static and

dynamic force analysis.

S. tt develop "o*p.i"n"y

in conducting laboratory experiments for finding moment of inertia of

rigid bodies, verification of displacement relation for Hooke's joints, to measure power transmitted

and absorbed by dynamometer and brakes respectively.

Unit I: Fundamentals of Kinematics and Mechanisms 10 Hrs'

Kinematic link, Types of links, Kinematic pair, Types of constrained motions, Types of Kinematic

pairs, Kinematic Chain, Types of joints, Mechanism, Machine, Degree of freedom (Mobility),

I(utzbach crieterion, Grubler's criterion.

Four bar chain and its inversions, Grashoff s law, Slider crank chain and its inversions, Double

slider crank chain and its inversions.

Eqr-rivalent 1 inkage of mechan i sms.

Exact and Approxirnate Straight line mechanism, Steering gear mechanisrns: Condition for corect

steering, Davis steering gear mechanism, Ackermann steering gear mechanism.

Unit II: Static and Dynamic Force Analysis SHrs'

Theory and analysis of Compound Pendulum, Concept of equivalent length of simple

pendulum, Bifilar suspension, Trifilar suspension.

bynamics of reciprocating engines: Two mass statically and dynamically equivalent system,

correction couple, static and dynamic force analysis of reciprocating engine mechanism

(analytical method only), crank shaft torque, Introduction to T-0 diagram.

Friction: Friction and iypes of friction, laws of friction, Friction in turning pair, friction circle, friction

iiis, friction in four bars and slider crank mechanism.

Unit III: Friction Clutches, Brakes and Dynamometer "

8Hrs.

piyot and collar friction, plate clutches, cone clutches, centrifugal clutch, torque transmitting capacity.

Different types of brakei, shoe brakes, external and internal shoe brahes, block brakes, band brakes,

and band ind block brakes, Braking torques, and different types of absorption and transmission type

dynamometer.

B Hrs.Unit IV: Kinematic Analysis of Mechanisms: Analytical Methods

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Unit IV: Properties of Pure substances 5 Hrs'

Formation of steam, Phase changes, Properties of steam, Use of Steam Tables, Study of P-V, T-S and

Mollier diagrarn for steam, Dryness fraction and its determination, Study of steam calorimeters (Barrel,

Availability

Available and unavailable energy, concept of availability,

temperature and variable temperature, Availability of non flow

Gibbs function, irreversibility and second law efficiency'

Reference Books:

1. Y. Cengel & Boles:

Publications

4 FIrs.

availability of heat source at constant

and steady flow systems, Helmholtz and

6 FIrs.

Separating, Throttling and combined)

Non-flow and Steady flow vapour processes' Change of properlies, Work and heat transfer'

Vapour Power CYcle 5 Ilrs'

Camot cycle, Rankine cycle, Comparison of Carnot cycle and Rankine cycle, Efficiency of Rankine

cycle, Relative efficiency, Effect ofsuperheat, boiler and condenser pressure on performance ofRankine

cycle.

Unit V: Steam Generators

Classification, Constructional details of low pressure boilers,

Features of high pressure (power) boilers, Introduction to IBR Act

Boiler draught (natural and artificial draught)

Boiler performance calculations-Equivalent evaporation, Boiler efficiency Energy balance'

Unit VI Fuels and Combustion

6 Hrs.

Types of fuels, proximate and ultimate analysis of fuel, Combustion theory, Combustion Equations,

theoretical, excess air and equivalence ratio. Analysis of products of combustion, Calorific value - HCV

& LCV, Bomb and Boy's gas calorimeters

List of Practicals:

l. Joule's experiment to validate first law of thermodynamics

2. Determination of calorific value using gas calorimeter'

3. Determination of calorific value using Bomb calorimeter'

4. Flue gas analysis using Orsat apparatus

5. Study of Boiler Mountings and Accessories

- 6. Determination of dryness fraction of steam

,0 iriat on boiler to deiermine boiler efficiency, equivalent evaporation and Energy Balance.

- f. Industrial visit to any process industry which uses boiler and submission of detailed report.

g. Measurement of fuei properties such as Flash point, Pour point, Cloud Point'

10. Assignment ott Programming for Air standard cycle analysis'

Notes:

1. Minimum 8 experiments should be performed'

2. Practical No. 6, 7 and 8 are compulsory'

Text Books :

l. R. K. Rajput, Engineering Thermodynamics, EVSS Thermo Laxmi Publications

Z. p. K. Nag, Enginiering Thermodynamics, TataMcGraw Hill Publications

Thermodynamics - An Engineering Approach, Tata McG

2. P. L Ballany: Thermal Engineering, Khanna Publishers

3. C.P. Arora: Engineering Thermodynamics, Tata McGraw Hill Pgblications

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Teaching scheme

Lectures: 3Hrslweek

Universlty of Pune' Pune

S.E. (Mect ut ituit dt'tomoUile) - | (2012 Pattern)

Manufacturing Processes-I (202041)

Examination Scheme

itl"otY (Online): 50 marks

ih"ory (PaPer): 50 marks

Learning Objectives:

l.Toselectappropriatemanufacturingprocessforproducingpartunclerconsideration.

2. To identiJy'o'io" p'o'ess parameter ancl their eJfects on processes

3 . To desi gn the process and tooling'

4. To identify the defects and propose the remedies

09 Hrs

urrlf*.ro:Ili,ffi?:#li1ir".,,lateriar and arowances, Mording sand- rvpes, properlies and

testing, Molding 1 'yi*' "o'ip*tnt'''.

to'oi' "tJ '*tr]i'"''

co"']ivGtuno '1u'"toru"turing'

Gating

svstem and Rrser _ffi; ffit.rign ffiri"uty, u.uting una po"'ri'ng, coorrng^11d solidification-

pro""r, and time;,,'.,ffiri'N;;;i"il,'i;il'{Ll"J-ei"'i'r'il;' o"r"1ts and iemedies' Inspection

techniques'

Diecasting,lnvestmentcasting,CentrifugalCasting,ContinuousCasting-Types,equipment,processparameters, material to cast'

Unit II: METAL FORMING PROCESSES: 08 Hrs

Hot and cola wo^rr.Jru concepts "ral]ii',:'"tlve study' Material behavior in metal forming' strain

t},iifi,T3i:f[1,,U;lfruX',H'lliiJ[::f,o*., required per ro11 ror simple singre pass

HffitJ':',f,[:1il:I'Jl::i::l,ll1ffi I:i:l3L:i"J?;:i"ii,lffi::,X?,,E*rlrti"on - Typ"s' process p.Tu*"ttl. ?l)l\l::;;i'i ;';;:;;Drawing - Wt'" i'"I*ing una its analysis (Numerical)' tube drawing

06 Hrs

Unit III: PLASTIC PROCESSIN!

Molding-Compressionmolding,Transfermolding,Blowmolding,Injectionmolding_ProcessanderiuiPment'

Extrusion of Plastic -Type of extruder' extrusion of film' pipe' cable and sheet

Thermoforming - Principle' pressure f'orming and vacuum forming'

06 Hrs

Unit IV: JOINING PROCESST|'.

Surface ,"ru'ution ;;; t;tt of joints' Welding Classification

Arcwelding_Th.o.y,SMlw-GTAW,pcnvT,submergedarcwelding,studwelding.Resistance welding - Theory' Spot' seam and projection weld process'

Gas welding.

]$*U:;fit;ffilf"tiffi .Tt?,*1?,oradhesive,tvpes.oradhesive,apprications'

Weld inspection, Defelts in vu'ious ioints and their remedies'

07 Hrs

urr, vt sryffi,[flfln]*1ffil?.1 or dies and punches, material ror dies and punches' Die

oiiigr for blanking, piercing, bending unJoru*ing, clearance #;;i;' ;t*r of pressure' blank size

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University of Pune, Pune

S.B. (Mechanical, Mechanical Sandwich & Automobite) - ll (20t2 Pattern)

Electronics and Electrical Engineering (203152)

Teaching scheme

Lectures:4 Flrs/week

Practical:2 Hrs/week

Prerequisite:l. Basic Electrical Engineering

2. Basic Electronics Engineering

Learning 0bjectives:1. Students should conversant with Electrical and Electronic controls basic

2. It will be prerequisite for Mechatronics.

3. To study Microcontrollers

4. To study Electrical drive system required to drive machines

UNIT I:

Examination Scheme

Theory (Online): 50 marks

Theory (Paper): 50 marks

Term work: 25 marks

8 Hrs.

8 Hrs.

Audio oscillators, signal generators and

frequency and phase by oscilloscope

Intel 805 I microcontroller architecture, pin diagram, special function registers, operation of I/O ports,

Addressing modes, Instruction set.

UNIT II: 8 Hrs.

Counters and timers in 8051, timer modes, Parallel Data transfer scheme, Serial data input, output, Serial

data modes and serial interface with pc.

UNIT III:Electronic voltmeters - analog and digital. Digital multimeters,

frequency counter.

C.R.O. construction & principle lneasurement of voltage, culrent,

uNIT rv: 8 Hrs'

Electrical Power Measurement: - Measurement of active and reactive power in three phase balanced

loads by using one wattmeter & trvo wattmeter, effect of power factor on wattmeter reading'

lntroduction to D.C. and A.C. Potentiometers.

Measurement of high voltage: Measurement of R.M.S value of voltage using Potential Divider method,

Measurement of Peak value of voltage using Sphere Gap'

Electrostatic instruments: Quadrant type voltmeter, Attracted disc type voltmeter.

A.C. Bridges: General equation for bridge balance, Maxwell's Inductance Bridge, Maxwell's Inductance-

Capacitanie Bridge, Schering Bridge for Capacitance measurement, Wien's Bridge for Frequency

measurement.

UNIT V: D.C. Machines 8 Hrs.

Construction, working principle of D.C. generator, emf equation of D C generator. (Theoretical concept

only). Working priniipte oi O.C. motor. Types of D. C. motor, back emf, torque equation for D.C'

*oio., characteiisiics of D. C. motor (series, shunt and compound), Three point sta(er for D'C Shunt

motor, methods for speed control of D.C shunt and series motors, Industrial applications.

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8 Hrs.UNIT YI: Three phase Induction MotorConstructional feature, working principle of three phase induction motors, types; torque equation, torque

slip characteristics; power stages; efficiency types of starters; methods of speed control & Industrial

applications.

Term Work:

Total eight experiments are to be performed.

Any five eiperiments out of these six experiments are required to be performed.

1. Study of Op-amp in inverling, non-inverting, summer and subtractor mode.

2. Study of Op-amp as lntegrator, Differentiator, Comparator

3. Assernbly iurgrug" Programming using S051.(8 bit addition, 16 bit addition. multiplication,

largest number, smallest number, ascending order, descending order)

4. Asiembly language Programming using 8051.(8 bit addition of l0 numbers, multiplication,

largest number, smallest number, Ascending order, Descending order)

5. lnterfacing of DAC 0800 with 8051 microcontroller.

6. -Control of stepper motor using 8051 microcontroller.

Any three experiments out of these five experiments are required to be performed.

1 . Speed control of a D. C. shunt motor by armature voltage and flux control methods.

2. Measurement of active power in a three phase balanced and unbalanced load using two wattmeter

method.

3. Measurement of reactive power in amethod.

4. Estimation of voltage regulation and efficiency

short circuit test.

of single phase transformer by open circuit and

5. f61iffi6ii on a three phase induction motor.

Text Books:1. Ajay Deshmukh Microcontroller 8051 -TATA McGraw Hill

Z. fle tOSt Microcontroller and Embeded Systems by Muhammad Ali Mazidi, J.G' Mazidi

Pearson Education.

3. Operational Amplifier by Gaikwad R. PHI New Delhi.

4. Iniegrated Circuits by K. R. Botkar, Khanna Publication, New Delhi'

5. Electrical Machines-D P Kothari and I J Nagrath, Tata McGraw Hill ,Third Edition

6. Electrical Machinery-S.K. Bhattacharya, TTTI Chandigad

Reference Books:l. The 8051 Microcontrollers - Architecture, Programming and Applications by K. J. Ayala,

Penram International Publishing(I) Pvt Ltd.

2. Operational Amplifier and Linear Integrated Circuits Theory and Application by James

M. Flore, A Jaico Books.

3. Electrical Technology- Vol I & Vol II- B. L.Theraja, S Chand Publication Co Ltd.

4. Electrical Technolory-Edward Hughes, Pearson Education.

5. Electrical Machines by Ashfaq Husain, Dhanpat Rai & Sons.

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Saviiribai Phule Pune UniversityT.E. Me.:h:rnical Engineering 2015 - Course

T. i']. 1,i iecl,;rnical) (2015 Course) Semester - II

l. irir

lti'srg Scheme

/ rveekEramination Schclne

TotalMarks

Credits

ure Tut PractIn-

SemESE TW PR OR Th

TWiPR/OR

2 30 70 50 1s0 4 I

) 30@ 70@ 25 25 150 4 I

2 30 7{J ,,i 125 3 1

I 30 70 ,< 125 3 1

I

I'I

30 70 100 J

.,50 50 I

2 25 25# 50 I

I l0 1s0 350 100 50 100 750t7 6

23

# Though it is under' (rt-rri heird Internal Panel to be appointed by Principal and HOD.Examination schedule ri iii noi bc prepared at University level.* Marhed subjects ill'(.('ii:irm{,n n,ith TE (Auto. Engg.) and TE Mech. Sandrvichs l'Iarked subjects irr"c c{}i;rmorr rvith TE (Auto. Engg.) only'r'Marked subjccts :lr.: iiiinm(,n u'ith TE Mech. Sandlvich only(a-r Eramination titrtc I'i)i'rilsein examination I Hr30 Min. and Endsem examinationJI I rs.

'I L. yl4etlittrit,tt iti i] t, ittLl ''rlli,,)r/:r1,-.\:t1tttt1h,tt l'littLl.t'ttttt Lntrt,..sity

. 1.. t ',eCl,;lltic:l 2015 Course) Sem ester -

Code Subjecl

'l'riic i; i irg Sr'ii errtc

fi , ,t / tt .;r:i'1.Examination Scheme

TotalMarks

Credits

I-e ,.:r u t.'; Tu, PractIn-

SemESE TW PR OR Th

TWiPR/OR

302041

Design ofMachine

lilements-[

I 2 30@) 70Gi 50 150 4 I

302012 Heat Transfer* 4 2 30 70 50 150 4 I

J02043Theor-y of

Machines-II$J 1 30 70 25 25 150 3 I

302044 Turbo Machines .) 7 30 70 25 t25 3 1

302045Metrology and

Qualitv Control$.1 2 30 70 25 125 3 I

3020:16 Skill Dcl,elr)pmen 2 ?{ ?< 50 I

Total !7\t I l0 150 350 r00 75 75 750

t7 6

23

Code Subject

iea

l,cctu

302047Numerical Methorlsand Optimizatiou "

4

302048Design of Machinr

Elements-ll4

302049Rel'rigeration ancl .,\ i,

Ctonditioning1

;3020s0 NIech:rtronics'r'r'

3020s1NIa n u litctu rirr g

Process-I Is3

302052 l\'logllt1 llrrp l t"

302053 Seminars

302054 Audit Course*

Total t7

>-o\z* Y."hr *'a

Universi of Pune

T. E. (Mechanical) Semester - I

*- Evaluation should be on performance in practical examination and_ oral based on Term Work

$Common Oral rvill Ue f asea on both TOM-I and TOM-II teim work at end of First Semester of T'E'

SeT. E. echanical) Semester -Code Subject Teaching Scheme

(Weeklv Load in hrs)Examination Scheme (Marks)

Lect. Tut Pract. Theorv TW PR OR Total

In Sem. End Sem.

302047

Numerical

Methods and

Optirnization

4 2 30 70 50 r50

302048

Design ofMachine

Elements -ll4 2 30# 7o@) 25 50+* 175

302049 Turbo Machines 4 2 30 70 25 125

302050 Mechatronics 3 2 30 70 25 125

302051Manufacturing

Process-IIJ 30 7o 100

302052Machine

Shop -II2 25 25

302053 Serninar 2 50 50

Total of Semester - II 18 t2 150 -350 100 50 100 750

II

Imoortant Notes

l. In-Sent Theory examination will he conducted, approximately one and half month after the commencement of

each semester

2. In-Sem Theory examination will be based on Jirst three units from Syllabus and will be conducted by the

UniversitY of Pune

3,TotaltimeallottedJbrln.SemTheoryexaminationwillbelhr30min4. ( # ) Total time allotted for In-Sem Theory examination (DME'I and DME-II) will be 2 hrs

5.TotaltimeallottedforEnd.SemTheoryexaminationwillbe2hrs30min

6. ( @)Total time aliottedfor End-sem Theory examination (DME-I and DME-II) will be 3 hrs

7. ** Common oral based on both DME-I and DME'II term work

w.e.f. Academic Y ea!291!-lCode Subject Teaching Scheme

(Weeklv Load in hrs)Examination Scheme (Marks)

Lect. Tut Pract. Theorv TW PR OR Total

In Sem. End Sem.

302041

Design ofMachine

Elements - I4 2 30# 70@ 25** 125

302042 Heat Transfer 4 2 30 70 50* 150

302043Theory ofMachines-II

4 2 30 70 50$ 150

302044Metrology and

Ouality Control3 2 30 '70 50 150

302045Hydraulics and

PneumaticsJ 2 30 70 25 t25

302046SkillDevelopment

2 50 50

Total of Semester - I 18 t2 150 350 100 50 100 750

Course C'ontents

t:Nll' l: Irrlr,tluctirirr 1,, 'rteti,ttt'oltics' ScnSorS & Actuators (08 Hrs)

lrrtroLjLre r.i,rr t() \ le llr:rir., ,,ric: iirrti its ,.\pplicilti0ns" N'lcasrtrctr.tctrt C llltritctcristics' Static alld

I-)r na.ric: Scr:,rrs: l).r, iir,rn .;cn\()r's- I'otcntionretcr" t-VD't . itrcretnerltal [lncoder' Proxirrlity

sensors-()ptie al. ln,lLr..ii" . carr:rcirii e: I crrlteriltLlrc scnsor-R',ll). -l-hern-tticortlllesl Force / Pressttre

scn)()1.\-stl.lrilt :,,i.itr,,rr; i i,ru :Jlr:irIs-l-lcctrt.)llragtlelic: Actuattlrs: Steppcr l]1otor' Servo tlrotor'

S,-rlenoicis. Se lcctiilrr ,,1 l'., llstlt" .i '\ctttattlr

trNl'l'2: []ltlcl. l)i:r11t itrir l{elrlese tttatitln (08 Hrs)

lrlr()rlre ti,). t. \1ee 1,,,,,,,,,,., sr Le rrr l)csign: ldcrrtillcation ol'lier clcllle Irts rll'lr4cchatr0nic: srstettrs

arrcl rcprcsenl into ilit,ci. i)iau|anr: open ancl Closecl loop Control S)'s1el'I.l: Concept o1"l'ratlsf'er

l-unction:tllockL)ia,lrrrrrlNl{edrLctionprinciples:Applicationsclt'Mechatronicsvstems:I louscholtl. .,\ttiotttotir';. iiiJusir ial shclp lloor'

I-,NIT 3: I)ata Actlttisilii,ir (08 Hrs)

Irtroclucti., to Sisl1l ( i,rrrrrrrrrication & -lypes-Sl,nghrclt.totts. As1'nchronoLrs, Serial. Parallell Bit

ri.ic1h. Sa.r,lirg llr.,rr,:nr. Alirrsirrg. Sarnple ancl lrolcl circuit. Sanrpling lt'ec1uenc1': Irrterlacing ol'

Serrs.rs,i,\ctLrators tri i)rrrri Ac,ttrisition sr,lstetn:4 bit Strccessivc Approrirltatiot-t tvpe ADC: 4 bit R-

2R t1'pe l),\Cl Ctrrrctrt ntttl Vr:itiige Arnplifier'

IINIT .l: l'rogratnlttitlrl'r i,ogic (lontrol (08 Hrs)

Irtr.odLrcri(), ro l)1.(: Ar.,riiie...rLur ol' PI-C: Selection ol' Pl-C'; Laclder Logic prograrrnling tbr

cliflerenr t\ pcs ol loqr,: gai!.s. Latchiug; '[inte|s, C]ounter; Practical exallples of Ladder

l'r'oglrtttttt t i t'tg.

tlNlT'5: Iit'ctyrtette l'l.rr:irtiti,r \'lotlelling antl Anah'sis (08 Hrs)

Irarislcr i:irrretitr. hlil,tri ,:,ocirlini: ol'N4echanical. -l'hcrrlal

arrcl Fltricl s\sterrl: collcept o1'['oles &I lallslcl l fll)eti()l] illi',!(i i.it)LlL'iLllrl trl iYlLLIr'trrrr'rr' - t'- -

Zcr,.s: Srahilitr :\nlrl,,:ri:. isinll I{,rrrth Fluruitz Critcrion. []9qlc Plots: lrttrocltrctit'rt.t to Bocle Plot'I

c,,in xl,,rgin. -l)ha:e

\1.r,;in. i.i.ilrrtiVc' stabilit) Anall sis. [rrec}renc1 L)onrain Paratl1eters-NatLtral

'Fi.:1.iiij,rer. L),,,,',pi,,g lt,:.1.:,,,e,t.,. itrtd Datltpitrg lractr:r: Mapping o1'Pole Zero plot ri'ith dampillg

factor" ttatttral lt'eclttcrlcl rrlld Ltlit step response' /^o rr..._\

UXff Vl: Control Svsti'trr (08 Hrs)

prop.rtional (p). Intc;1ral (t)anrl Derivative (D) control actions; Pl. PD and PID control svstetrs itr

parallel lgrpi: l.lrtit stl:p lic potrse illlalvsis via Transienl respclnse specilicatiorls: [)ercentage

oVershottt. Rise tirnc. ilelii', tinrc, Steady state errori Manual tuning of PID cclntrol. Linear

QLradratic: Llontro I ( t.Q li)

Iirolis:

'l'crl:. l( I,. l{lrnrclrrrir,li.lrt (l i( Vi.jvaraghavan. l\4.S. Ilalasrttrclaranl. N4ccltatronics: Itttegrated

i\'le e ltltrlie ;ll l:le ,:li,']ric 'rr sle lllS" \\ illel I']Lrbiicatron' 1008

. llolt,rrr. Nilce i.rrrtr.r,iri:s -,\ \1LrIiclrsciplinarl'allproach.,lth l]clitiort- Prctltice I-1a11.2009.

S^ry-^<prl

!.i:. ,.1 t,it ttriLti i:tt'1tttLtrin11 i)0i-l;ttrt;t1 -.\atitt.LL)tt l'liuLt'1'ttttt L'turrl"ttl-\

University of Pune

Code Subject Teaching Scheme(Weekly Load in hrs)

Examination Scheme (Marks)

Lect. Tut Pract. Theory TW PR OR Total

In Sem. End Sem.

302041

Design ofMachine

Elements - I4 2

30

,(90Min)

70

(3 hrs)25** 125

T.E. (Mechanical) - 20L2 Course

Design of Machine Elements - I [30204U

*x Common oral bused on both DME-I and DME-II term work

COURSE OBJECTIVESl. Student shall gain appreciation and understanding of the

Engineering, different steps involved in designing and the

manufacturing activity.

2. The student shall learn to choose proper materials for different machine elements depending on

their physical and mechanical properties. They will learn to apply the knowledge of material

science in real life situations.

3. Student shall gain a thorough understanding of the different types of failure modes and criteria.

They will be conversant with various failure theories and be able to judge which criterion is to be

applied for a particular situation.

4. Student shall gain design knowledge of the different types of elements used in the machine design

process, for e.g. fasteners, shafts, couplings etc. and will be.able to design these elements for each.

application. ,

COURSE OUTCOMES

1. Ability to analyze the stress and strain of mechanical components and understand, identify and

quantify failure modes for mechanical part.

2. Ability to decide optimum design parameters for mechanical systems.

3. Enhancement in proficiency of CAD software for designing Mechanical systems and to generate

production drawing.

4. Ability to design mechanical system for fluctuating loads.

tLnit - I Design process and design of Simple Machine elements (08 hrs)

Machine Design, Design Process, Design considerations, Standards and codes, Use of prefemed series,

Faitor ofsafety, Service factor.

Design of Cotter joint, Knuckle joint, Levers - hand / foot lever, lever for safety valve, bell crank lever,

curved beams of circular cross section and components subjected to eccentric loading.

Unit = II Design,of Shuft$; Keys anil aouplings '

Shaft design on the basis of strength, torsional rigidity and lateral rigidity, A.S.M.E. code for shaft design,

Design of keys and splines. Design of Flange Coupling and Flexible Bushed Pin Coupling.

Llnit - II,I Design for Fluctauting Loail Q.0 hrs)

Stress concentration - causes & remedies, fluctuating stresses, fatigue failures, S-N curve, endurance

lirnit, notch sensitivity, endurance strength modifying factors, design for finite and infinite life,

cumulative damage in f-atigue f-ailure, Soderberg, Gerber, Goodman, Modihed Goodman diagrams,

Fatigue design of components under combined stresses.

l[;..r[''L'

design function in Mechanical

relation of design activity with

$E4rg

University of Pune

Calculate the effectiveness and rating ofheat exchangers.

Calculate heat transfer by radiation between objects with simple geometries.

Calculate and evaluate the impact of boundary conditions on the solutions of heat transfer problems.

Evaluate the relative contributions of different modes of heat transfer.

Itnit - I Conduction

lntroduction and Basic Concepts: Application areas ol'heat transfer. Modes and Laws of heat transfer.

Three dimensional heat conduction equation in Cartesian coordinates and its simplified equations, thermal

conductivity, thermal diffusivity. (02 hrs)

One dimensional steady state heat conduction without heat generation: Heat conduction in plane wall,

composite slab, composite cylinder, composite sphere, electrical analogy, concept of thermal resistance and

conductance, three dimensional heat conduction equations in cylindrical and spherical coordinates (no

derivation) and its reduction to one dimensional form, critical radius of insulation for cylinders and spheres,

economic thickness of insulation. (06 hrs)

Unit - II Heat Generatiort and Transient Conduction

One dimensional steady state heat conduction with heat generation: Heat conduction with uniform heat

generation in plane wall, cylinder & sphere with different boundary conditions. (04 hrs)

Transient heat conduction: Validity and criteria of lumped system analysis, Biot and Fourier number,

Time constant and response of thermocouple, Introduction to transient heat analysis using chafis.

(04 hrs)

Unil - III Boundury Conditions und Extended Surfuces

Boundary and initial conditions: Temperature boundary condition, heat flux boundary condition,

convection boundary condition. radiation boundary condition. (02 hrs)

Heat transfer through extended surface: Types of fins, Governing Equation for constant cross sectional

area fins, solution (with defivation) for infinitely long & adequately long (with insulated end) fins and short

fins (without derivation), efficiency & eifectiveness of fins. (06 hrs)

ILnit - IV Convection

Fundamentals of convection: Mechanism of natural and forced convection, local and average heattransfer

coefficient, concept of velocity & thermal boundary layers. (02 hrs)

Forced convection: Dimensionless numbers and their physical significance, empirical correlations for

external & internal flow for both laminar and turbulent flows. (05 hrs)

Natural convection: Introduction, dimensionless numbers and their physical significance, empirical

correlations for natuial convection. (03 hrs)

J.

4.

5.

6.

@A

University of Pune

Unit - II Helical, Bevel, Worm und Worm lVheel

Helical gears: nomenclature, center distance, virtual number of teeth. Spiral Gear terminology and

Efficiency

Bevel Gear & Worm and worm wheel: terminology, geometrical relationships, tooth forces, torque

transmitted (08 hrs)

'u#.'Unit - IV Srep-Less-Regulation (Theoretical Treatment o,ihl A Gyroscope

Continuous Variable Transmissions - Geometry, Vel@ urO tJ.q'* analysis of Faceplate variators, Conical

variators, Spheroidal and cone variators. Variators with axially displaceable cones, PIV drives. (04 hrs)

Gyroscopes, Gyroscopic forces and Couples, Gyroscopic stabilisation for ship and Aeroplane, Stability of

Types of Gear Trains, analysis of epicyclic gear trains, Holding torque -gear trains. torque on sun and planetary gear train, compound epicyclic

train. Types of gearboxes. :::.. ,i ,,,,:,:::'

lour wheel drive vehicle rnoving on curved path. Stability of a two wheel vehicle.

Mechanism, Three position function generation using the equation.

Steps in synthesis process: Type, number and dimensional synthesis. Tasks of Kinematic synthesis: Path,

function and motion generation (Body guidance); Precision Positions, Chebychev spacing, Mechanical and

structural errors. Graphical synthesis: Two and three position synthesis using relative pole method and

inversion, method for single slider crank and four bar mechanism. Freudenstein's equation for four bar

Simple, compound and epicyclic

gear train, Bevel epicyclic Gear

(08 hrs)

(06 hrs)

(08 hrs)

motions to the follower, Determination of cam profiles for

cam with flat face follower. Methods of control: pressure

phenomenon of Eccentric cam, Introduction to advanced

(08 hrs)

Unit -W Cam ond Follower

Types of cams and followers, analysis of standard

different follower motions, analysis of circular arc

angle, radius of curvature and undercutting. Jump

cam curves (3-4-5 Polynomial cam only)

Term-Work

List of Experiments:

Compulsory:

1. To generate involute gear tooth profile and to study the effect of undercutting and rack shift using

model.

2. To study various types of gearboxes- constant mesh, sliding mesh, synchromesh gear box, Industrial

gearbox, differential gearbox.

( w

Universi of Pune

Unit - ill Optimization

Introduction to optitnization. Classification. Constrained oprimization: Graphical and Simplex method. OneDimensional unconstrained optimization: Newton's Method. Modern optimization Techniques: GeneticAlgorithm (GA), Simulated Annealing (SA). (10 hrs)

Bisection Method, False position Method, NeMon

IIuit - il Sinitltanebasiquilians..'"'' .,.

Gauss Elimination Method, partial pivoting, Gauss_Seidal

Matrix

U,liitt"+11/:...Ewiite.,,F,iiii tty'ilA,ti.WaiiAifu - .

Unit - V Numerical Integration

i.

Raphson method and Successive approximation method.(08 hrs)

iii==iii:li'=1il,., i'|| iii=.=ulii= i,i===i*1.==',tl. il[#method and Thomas algorithm for Tridiagonal

(08 hrs)

:=.,(06 hrs)

r:.lr:=': i : ::r:':ri!:::::::j!! . "-:point method. Double

Curve Fitting

Least square technique- Straight line, Power equation, Exponential equation and euadratic equation.Interpolation ' -'-'----

Lagrange's Interpolation. Newton's Forward interpolatiorr. I{ennit Interpolation. inverse interpolation.

Trapezoidal rule, Simpson's Rure (1/3'd and 3/ga,), Gauss euadrature 2 point and 3Integration: Trapezoidal rule. Simpson,s l/3dRule.

106 hrs;

Ltnit -W Nunrcricul Solutiotts of Dffirentiol Equations

Orrlinory Dffirential Eq uations IODEITaylor series method. Euler Method, Modified Euler Method(Iterative), RungeKuttafourlh order Method,Simultaneous equations usitrg RungeKufla2nd order method.Purtial Dffirentiut Equations IpDEl: Finite Dffirence metrtodsIntroduction to finite difference method, PDEs- Parabolic explicit solution, Ellipticexplicit solution.

:::

(10 hrs)

Term-Work

2.

Program on Roots of Equation (validation by suitable solver, all four compulsory)a) Bisection Mdthod,b) False position Method,c) Newton Raphson methodd) Successive approximation methodProgram on simultaneous Equations (validation by suitable solver, all three compulsory)a) Gauss Elimination Method,b) Thomas algorithm for tridiagonal matrix,c) Gauss-seidalmethod.

wh_^r

Universi

T.E. (Mechanical) -2012 Course

Numerical Methods and Optimization 13020471

Code Subject

Teaching Scheme

(Weekly Load in hrs)Examination Scheme (Marks)

Lect. Tut Pract. Theory TW PR OR Total

In-Sem.

(6P wlitt.l

End Sem.

ffiO Min.)

302047

NumericalMethods and

Optimization4 2 30 70 50 150

PREREQUTSITIES

1.FundamentalsofEngineeringmat}rematics.:.

2. Fundamentals of soft computing

To be able to:I Recognize the difference between analyical and Numerical Methods.

2 Effectively use Numerical r."nriq.r., ro. sotvi,rg complex Miirruni.ur engineering problems.

3 Prepare base for understanding engineering anarysis software.

4 Develop'iogical sequencing for solution procedu.e and skills in soft computing.

5 optimize the solution for different ieal life p.obl.m. with available constraints.

6 Build the foundarion for engineering research.

eaa'Rs,.A 0,t..!,., au H' -fi-

fir',.'-,"-" ,'E r .ir,.'r.:11i'.r,:=;,,,'...'ir,rF,...,5,r, ,t.l..F

l ' use appropriate Numedcat,Methoos to solve complex mechanical engineering problems.2. Formulate algorithms una fiog.urnming.

3. Use Mathematical Solver.

4. Generate Solutions for real life problem using optim izationtechniques.

5 Analyze the research problem i : r ,

Types.of Enors: Absolute. Relative, Algorithmic. Truncation. Round off Error. Error propagation. Conceptolconvergence-relevance to numerical methods.Roo,ts of Equation

^r{

L

Universi

Spur Gears.' Number of teeth and face width, Types of gear tooth failure, Desirable properties and

selection of gear material, Constructional details of gear wheel, Force analysis (Theoretical Treatmentonly), Beam strength (Lewis) equation, Velocity factor, Service factor, Load concentration factor,Effective load on gear, Wear strength (Buckingham's) equation, Estimation of module based on beam

and wear strength, Estimation of dynamic tooth load by velocity factor and Buckingham's equation.

(08 hrs)

Unit - II Helicul und Bevel Gears:

Helical Gears: Transverse and normal module, Virlual no of teeth, Force analysis (Theoretical Treatmentonly), Beam and wear strengths, Effective load on gear tooth, Estimation of dynamic load by velocityfactor and Buckingham's equation, Design of helical gears.

Bevel Gears: Straight tooth bevel gear terminology and geometric relationship, Formative number ofteeth, Force analysis (Theoretical Treatment only), Design criteria of bevel gears, Beam and wearstrengths, Dynamic tooth load by Velocity factor and Buckingham's equation, Effective load, Design ofstraight tooth bevel gears.

(08 hrs)

Unit - III Rotting Contuct Bearings:

Types of rolling contact Bearings. Static and dynamic load carrying capacities. Stribeck'sEquationEquivalent bearing load, Load-liie relationship, Selection of bearing-life Selection of rolling

"ontu"tbearings from manufacturer's catalogue. Design for cyclic loads and speed, bearing with probability of,survival other than 90oZ

Lubrication and mounting of bearings, Preloading of rolling contact bearings, Types of failure in rollingcontact bearings - causes and remedies.

Taper roller bearing (Theoretical Treatment only). (0g hrs)

Worm and wotm gear terminology and geometrical relationship, Types of worm and worm gears,Standard dimensions, Force analysii of worm gear drives, Friction in Worm gears and its efficiency,Worm and worm-wheel material, Strength and wear ratings of worm gears, Thermal consideration inworrn gear drive, Types of failures in worm gearing, Methods of.lubrication. (0g hrs)

Ilnit - V Belts, Rope and Chain Drives:

Belt drive:

Materials and construction of flat and V belts, geometric relationships for length of belt, power rating ofbelts, concept of slip & creep" initial tension, eff,ect of centrilugal force, mu*irrm po*.,. conditln,selEction of flat and V belts from manufacturer's catalogue, belt tensioning methods, relativeadvantages and limitations of flat and V belts, construction and applications of timing belts.

lt M*

University of Pune

Wire Ropes (Theoretical Treatment Only):

Construction of wire ropes, lay of wire ropes, stresses in wire rope, selection ofropes. rope drum construction and design.

Chain Drives (Theoretical Treatment Only):

Types of power transmission chains, Geometry of Chain, Polygon effect of chain,

Modes of failure for chain, Lubrication of chains

2. The following Two Assignments based on Design / problems on following topics,

from manufacturer's catalosue.

Kamlesh Purohit, "Design of Machine Elements,,, pHI Learing pvt. Ltd.

wlre

(08 hrs)

Lubricating oils.' Properties, additives, selection of lubricating oils, Propefties & selection of bearingmaterials.

,......,,,,

Hydrodynamic Lubrication: Theory of Hydrodynamic Lubrication, Pressure Development in oil film,2D Basic Reynolds Equation, Somerfield number, Raimondi and Boyd method, Temperature Rise,

Parameters of bearing design, Length to Diameter ratio, Uriit bearing Pressure, Radial Clearance,

minimum oil film thickness. (0g hrs)

Term-WorkTerm work shall consist of:1. One design project based on either Design of a Two Stage Gear Box (the two stages having differenttypes of gear pair) or single stage worm gear box.The design project shall consist of two full imperial (A1) size sheets involving assembly drawing with apar-t Iist and overall dimensions and drawings of individualcornponents.Manufacturing tolerances. surlace finish symbols and g.o*.tri. tolerances should be specified forimportant surfaces. A design report giving all necessary calculations of the design of components andassembly should be submitted in a separate file. Design data book shall be used wherever necessary toachieve selection of standard componentsDrawing Slreets should be plotted using any CAD software.

i) Design of Sliding Contact Bearingii) Selection of Belt I Chain / Rope drive

Text Books' '=,:$ , ,r,11) Shigley J.E. and Mischke{R., t'Mechanical

Engineering Design", McGraw Hill publication Co. Ltd.2) Spotts M.F. and Shoup f.9.,'llOesign of Machine Elements", Prentice Hall International.3) Bhandari V.B, "Design of Miihine Elements" ,TataMcGraw Hill Publication Co. Ltd.4) Juvinal R.c, "Fundamentals of Machine components Design,,, John wiley and Sons.

Reference Books:

1) Black P.H. and o. Eugene Adams, "Machine Design", McGraw Hill Book co. Inc.2) Willium C. Orthwein, "Machine Components Design", West Publishing Co. and Jaico publications

House.

3) Hall A.S., Holowenko A.R. and Laughlin H.G, "Theory and Problems of Machine Design,,, Schaum,sOutline Series.

4) C.S.Sharma and

h1 wu'

University of Pune

Unit - I Introduclion to Sensors & Actuators

Introduction to Mechatronics, Measurement characteristics: - Static and Dynamic

Sensors: Position Sensors: - Potentiometer, LVDT, Encoders; Proximity sensors:- Optical, Inductive,

Capacitive; Motion Sensors:- Variable Reluctance; Temperature Sensor: RTD, Thermocouples; Force iPressure Sensors:- Strain gauges; Flow sensors: - Electromagnetic

Actuators: - stepper motor, Servo motor, Solenoids (06 hrs)

Open and Closed loop control system, identification of key elements of mechatronics systems and represent

into block diagram (Electro-Mechanical Systems), Concept of transfer function, Block diagram reduction

principles, Applications of mechatronics systems:- Household, Automotive, Shop floor (industrial).

,,;,;;',,,'.,,,'....,' l, (06 hrs)

.:::::Interfacing of Sensors / Actuators to DAQ system, Bit width, Sampling theorem, Aliasing, Sample and hold

circuit, Sampling frequency, ADC (Successive Aporoximation), DAC (R-2R), Current and Voltage

Amplifier. (06 hrs)

.

Introduction, Architecture, Ladder,Logic programming rr,r4rr..ent'types of logic gates,

Counter, Practical Examples;of Ead'(ler Programming, Introduction to SCADA system

Unit -V ilIodelling and Anulysis of Mechatronics System

System modeling (Mechanical, Thermal and Fluid), Stability Analysis via identification of poles and zeros,

Time Domain Analysis of System and estimation of Transient characteristics: oZ Overshoot, damping factor,

damping frequency, Rise time, Frequency Domain Analysis of System and Estimation of frequency domain

parameters such as Natural Frequency, Damping Frequency and Damping Factor.

P, I and D control actions, P, PI; PD and PID control systems, Transient response:-

Rise time, Delay time, Steady state error, PID tuning (manual).

I ::::::::::: i

Latching, Timers,

(06 hrs)

(06 hrs)

Percentage overshoot,

(06 hrs)

Term-Work

Lab Work (Compulsory Experiments 4, 5, 9 and any 6 out of remaining)

1 Measurement of Load / Force using Load Cell*@stimation of unknown weight using above voltage

characteristics)

2 Measurement of Temperature : Thermocouple, Thermistor & RTD and comparative analysis

(estimation of sensitivity)

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