NIT Raipur VII Sem Mechanical Syllabus

NIT-RAIPUR VII SEM MECHANICAL ENGINEERING SYLLABUS

DEPARTMENT OF MECHANICAL ENGINEERING

SYLLABUS

Name of the Subject Heat & Mass Transfer Subject Code ME 20711 (ME)

Semester VII Board of Studies Mechanical Engg.

Maximum Marks 70 Minimum Marks 25

Lecture Periods/Week Tutorial Periods/Week Practical Periods/Week Credits

3 1 3 4+2

 

UNIT-I

 

Introduction:

 

Various modes of heat transfer, Fourier’s, Newton’s and Stefan Boltzman’s Law, Combined

modes of heat transfer, Thermal transfer, Thermal diffusivity, Overall heat transfer coefficient.

 

Conduction:

 

The thermal conductivity of solids, Liquids and gases, Factors influencing conductivity

measurement. The general differential equation of conduction, One dimensional steady state conduction,

Linear heat flow through a plane and composite wall, Tube and sphere, Critical thickness of insulation, Effect

of variable thermal conductivity, Conduction with heat generation in slab and cylinders, Spheres.

 

UNIT-II

 

Fins:

 

Conduction convection system, E xtended surfaces rectangular, T riangular, C ircumferential and pin

fins, General conduction analysis, Fins of uniform and non-uniform cross sectional area. Heat dissipated by

a fin. Effectiveness and efficiency of fins, Approximate solution, Design of fins for maximum heat

transfer, Solution for different boundary condition, Use of fin analysis for measuring temperature error of

Thermometer.

 

Transient/Unsteady State Heat Conduction:

 

System with negligible internal resistance, Lumped capacity

method and its Validity. Unsteady state conduction through finite and semi- infinite slab without surface

resistance, convection boundary conditions. Solution through Heisler`s chart.

 

UNIT-III

 

Forced Convection:

 

Physical Mechanism of Forced Convection, Dimensional analysis for forced

convection, velocity and Thermal Boundary layer, Flow over plates, Flow across cylinders and spheres, Flow

in tubes, Reynold’s analogy.

 

Natural Convection:

 

Physical Mechanism of Natural Convection, Dimensional analysis of natural

convection; Empirical relationship for natural convection.

 

UNT-IV

 

Two Phase Heat Transfer:

 

Boiling heat transfer, Pool boiling, Boiling regimes and boiling curve, Next

transfer correlations in pool boiling, Condensation heat transfer, Film condensation, Derivation for the

average heat transfer coefficient ‘h’ for the case of laminar film condensation over vertical plate, Heat

transfer correlation for inclined plates, Vertical tubes, Horizontal bank tubes.

 

Heat Exchangers:

 

Different types of heat exchangers; Determination of heat exchanger performance, Heat

exchanger transfer units, Analysis restricted to parallel and counter flow heat exchanger (LMTD and NTU

method)

 

UNIT-V

 

Thermal Radiation:

 

Introduction, absorption and reflection of radiant energy, Emission, Radiosity and

irradiation, Black and non black bodies, Kirchoff’s law, I ntensity of radiation, Radiation exchange between

black surface, G eometric Configuration factor. Grey body relation exchange between surface of unit

configuration factors, Electrical analogy to simple problems. Non-luminous gas radiation. Errors in

temperature measurement due to radiation.

 

Introduction to Mass Transfer:

 

Mass and mole concentrations, Molecular diffusion, Eddy diffusion,

Molecular diffusion from an evaporating fluid surface, Introduction to mass transfer in laminar and turbulent

convection Combined heat and mass transfer, the wet and dry bulb thermometer.

 

Text Books:

 

1. Heat Transfer – S.P. Sukhatme – Tata McGraw Hill

2. Heat Transfer – J.P. Holman – Tata McGraw Hill

3. Heat transfer- C P Arora, Tata McGraw Hill

 

Reference Books:

 

1. Heat & Mass Transfer – K. Kannan – Anuradha Agencies

2. Heat Transfer – A Practical Approach–Yunus A. Cengel – McGraw Hill

3. Heat Transfer – Ghosh, Dastudhar – Oxford University Press

4. Heat & Mass Transfer – D.S. Kumar – S.K. Kataria & Sons.

 

DEPARTMENT OF MECHANICAL ENGINEERING

 

SYLLABUS

 

Name of the Subject Operation Research Subject Code ME 20712 (ME)

Semester VII Board of Studies Mechanical Engg.

Maximum Marks 70 Minimum Marks 25

Lecture Periods/Week Tutorial Periods/Week Practical Periods/Week Credits

3 1 0 4

 

UNIT I

 

Introduction

 

 

:

Definition and Development of Operations Research, Necessity and scope of OR in Industry,

Operations Research in Decision making, Models in OR, Fields of application, Difficulties and Limitation of

OR.

 

General Linear Programming Problems

 

: Introduction, Maximization and minimization of function with or

without Constraints, Formulation of a linear programming problem, Graphical method and Simplex method,

Big M method, Degeneracy, Application of Linear Programming (LPP) in Mechanical Engineering

.

 

UNIT – II

 

The Transportation Problems:

 

Mathematical formulation, Stepping stone method, Modified Distribution

Method, Vogels Approximation Method, Solution of balanced and unbalanced transportation problems and

case of Degeneracy.

 

The Assignment Problems:

 

Mathematical formulation of assignment problems, Solution of assignment

problems, Traveling salesman problems, Air crew Assignment problems.

 

UNIT – III

 

Waiting Line Theory:

 

Basic queuing process, Basic structure of queuing models, Some commonly known

queuing situations, Kendall’s notation, Solution to M/M/1:

? /FCFS models.

 

Network Analysis:

 

CPM/PERT, Network Representation, Techniques for drawing network, Resource

smoothing and levelling, Project cost, Optimum project duration, Project crashing, Updating, Time estimation

in PERT

 

UNIT – IV

 

Decision Theory and Game Theory:

 

Decision making, Steps in decision theory approach, Decision making

under certainty, Uncertainty and under condition of risk, Decision Tree, Theory of Games, Two person zero

sum game, Methods for solving two person zero sum game.

 

Simulation:

 

Basic concept of simulation, Applications of simulation, Merits and demerits of simulation, Monte

Carlo simulation, Simulation of Inventory system, Simulation of Queuing system.

 

Text Books:

 

1. Operation Research , Sasien Yaspan

2. Operation Research – N. D. Vohra – TMH

3. Operation Research– Hira & Gupta – S. Chand & Co.

1. Operation Research – H. Gillette – TMH, New Delhi

2. Operations Research – M. Taha – TMH, New Delhi

3. Fundamentals of Operation Research – Ackof Sasieni – Dhanpat Rai & Sons

4. Quantitative Approach to Management – Lovin and Krit Patrick – TMH

5. Operation Research– S.D. Sharma – S. Chand & Com. New Delhi.

6.

 

DEPARTMENT OF MECHANICAL ENGINEERING

 

SYLLABUS

 

Name of the Subject Refrigeration and Air Conditioning Subject Code ME 20713 (ME)

Semester VII Board of Studies Mechanical Engg.

Maximum Marks 70 Minimum Marks 25

Lecture Periods/Week Tutorial Periods/Week Practical Periods/Week Credits

3 1 3 4+2

 

UNIT-I

 

Refrigeration and second law of thermodynamics, Reversed Carnot Cycle. Its practical limitations, Standard

Vapor compression Refrigeration System and its performance analysis. Effect of evaporator and condensing

temperatures. Modifications, its effects, Liquid-to-Suction heat exchanger, Effect of Superheat and criteria

For optimum superheat, Actual vapor compression refrigeration systems, Limitations of single stage.

 

UNIT-II

 

Multi-stage systems:

 

Concept of flash gas removal using flash tank, inter cooling, with flash gas removal and

inter cooling, use of flash tank for flash gas removal only, limitations of multi-stage systems.

 

Multi–Evaporator systems

 

: Applications, Comparison, advantages, Systems using single compressor and a

pressure reducing valve with: Individual expansion valves & multiple expansion values, Systems with multi

compression, inter cooling and flash gas removal, with individual compressors and multiple expansion valves,

Cascade systems.

 

UNIT-III

 

Gas Cycle Refrigeration:

 

Limitation of Carnot and reversed Carnot Cycle, Modified Cycle, Reversed Bell-

Colemann, Actual Bell-Colemann Cycle, Application of Aircraft Refrigeration, Different methods: Simple,

Evaporative, Boot Strap, Boot Strap with evaporative, Reduced ambient, Regenerative and comparison of

different air cooling system in Air Craft.

 

Cooling Tower

 

: Types and performance evaluation, efficient system operation, Flow control strategies and

energy saving opportunities, Assessment of cooling towers.

 

UNIT-IV

 

Psychrometry, estimating properties of moist air, psychrometry chart, Straight line law, adiabatic saturation and

thermodynamic wet bulb temperature, psychrometer and the precautions, psychrometric processes and their

representation, various psychrometric processes, equations for heat and mass transfer rates, Concept of SHF,

By pass factor and ADP, Air washer and its use.

 

UNIT-V

 

Inside and Out Side Design Condition:

 

Fixing suitable indoor and outdoor design conditions, criteria , thermal comfort, metabolic rate, heat balance

equation, equations for all modes of heat losses from the skin, thermo-regulatory mechanishm. Factors

affecting thermal comfort, thermal indices, presents ASHRE comfort chart, Concept of Predicted Mean Vote

(PMV) and percent of people Dissatisfied(PPD),criteria used for selecting outside design conditions and

present typical summer design conditions.

Psychometric calculations, Simple summer air conditioning system with 100% re-circulated air, various

Summer air conditioning systems with ventilation and with zero and non zero by pass factor, with re-heat for

high latent cooling load applications, Selection guidelines for supply air conditions.

 

Text Books:

 

1. Refrigeration And Air Conditioning by C.P. Arora,Tata McGraw-Hill

2. Refrigeration And Air Conditioning by R.K. Rajput Kaston Publication

3. Refrigeration And Air Conditioning by Arora & Domkundwar, Dhanpat raj Sons

 

Reference Books:

 

1. Refrigeration And Air Conditioning by stooker W.F.

2. Refrigeration And Air Conditioning by ahmadaul Ameen, PHI publication

3. Hand book of Air Conditioning and Refrigeration by Shan K.Wang, Tata McGraw-Hill

 

DEPARTMENT OF MECHANICAL ENGINEERING

 

SYLLABUS

 

Name of the Subject Power Plant Engineering (Elective-II) Subject Code

Semester VII Board of Studies Mechanical Engg.

Maximum Marks 70 Minimum Marks 25

Lecture Periods/Week Tutorial Periods/Week Practical Periods/Week Credits

3 1 3 4+2

 

UNIT-I

 

General Sources of power, Importance of Central Power Stations, Types of power stations – steam, Nuclear,

Diesel and hydro – Elements of modern power stations (Steams only) brief layout and arrangement of elements

and complements, Sitting of different power stations, Foundation, Elements of Electric power systems primary

and secondary distribution substations (in brief).

 

UNIT – II

 

Steam Power Plant:

 

Steam power plants selection of working medium, Heat Balance in steam cycles,

Heat rates, Comparison of efficiencies gas loop, Fuels and fuel handling System and Ash handling System,

Air pre-heater, Feed water pre-heaters, Steam re-heaters, Dearators, Feed water treatment, Pumping and

regulation water walls, Modern developments in steam boilers, Important instrumentation and piping of

gas and water loop. Factors to be controlled from maximum efficiency and variable output.

 

UNIT – III

 

Hydro Electric power station

 

– Potential power with reference to rainfall and catchments area, Water storage,

Equipment used in hydro electric power stations, Characteristics of hydraulic turbines, Comparison of the

factors governing the cost of hydro steam and diesel power stations.

 

Diesel power station

 

– Application of Diesel in power field, Suitability of diesel engines for bulk power,

Layout of Diesel Power Plant, Advantages and limitations of diesel, Power stations, Performance

Characteristics.

 

UNIT – IV

 

Nuclear Power Station:

 

Evolution of nuclear energy from atoms by fission and fusion, Chain reactions,

Fission materials, Types of reactors, gas cooled, Boiling water liquid, Metal cooled and fast reactor,

Arrangements of various elements in a nuclear power station, Steam cycles and boilers coolant heat

exchangers, Reactor control, Reactor shielding and safety methods.

 

UNIT – V

 

Variable load problems:

 

Idealized and realized load curves, Effect of variable load on plant design and

operation variable load operation and load dispatch.

 

Power station Economics:

 

Source of income, Cost of plant and production, Elements of cost, depreciation and

replacement theory of rates.

 

Text Books:

 

1. Power Plant Engineering, 2nd Edn. – P.K. Nag – Tata McGraw-Hill Pub. Com., New Delhi, 2004

2. A Text Book of Power Plant Engineering – R.K. Rajput – Laxmi Publications

3. A Course in Power Plant Engineering – Arora, Domkundwar – Dhanpat Rai & Co., 2005

 

Reference Books:

 

1. Power Plant Engineering – F.T. Morse Affiliated East – West Press Pvt. Ltd., New Delhi.

2. Power Plant Technology – M.M. E1 – Wakil – McGraw Hill, International Edition 1984

3. Power Plant Engineering – G.R.Nagpal – Khanna Publishers.

4. Fundamental of Power Plant Engineeering-R.Yadav-Central Publishing House Allahabad,2011

NIT Raipur VII Sem Mechanical Syllabus

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