AE2305 AIRCRAFT STRUCTURES LAB - II manual for 5th sem aeronatical Engineering

AE2305                         AIRCRAFT STRUCTURES LAB - II                               LTP C

0 03 2

OBJECTIVE

To experimentally study the unsymmetrical bending of beams, find the location of shear

centre , obtain the stresses in circular discs and beams using photoelastic techniques,

calibration of photo - elastic materials and study on vibration of beams.

LIST OF EXPERIMENTS

Unsymmetrical bending of Z-section beams

Shear centre location for open channel sections

Shear centre location for closed D-sections

Constant strength beam

Flexibility matrix for cantilever beam

Beam with combined loading

Calibration of Photo- elastic materials

Stresses in circular discs and beams using photo elastic techniques

Determination of natural frequencies of cantilever beams

Wagner beam - Tension field beam

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AE2204 ELEMENTS OF AERONAUTICS questions/last year question papers

AE2204                                ELEMENTS OF AERONAUTICS                             LTPC

300 3

OBJECTIVE

To introduce the basic concepts of aerospace engineering and the current developments

in the field.

UNIT I AIRCRAFT CONFIGURATIONS                                                                             6

Brief History-Components of an airplane and their functions. Different types of flight

vehicles, classifications. Basic instruments for flying,

UNIT II INTRODUCTION TO PRINCIPLES OF FLIGHT                                                   8

Physical properties and structure of the atmosphere, Temperature, pressure and altitude

relationships, Evolution of lift, drag and moment. Different types of drag.

UNIT III INTRODUCTION TO AERODYNAMICS                                                             9

Aerodynanic forces on aircraft - classification of NACA aerofoils, aspect ratio, wing loading, Mach number,centre of pressure and aerodynamic centre-aerofoil characteristics- lift, drag curves.

UNIT IV INTRODUCTION TO AIRPLANE STRUCTURES AND MATERIALS            12

General types of construction, Monocoque, semi-monocoque. Typical wing and fuselage

structure. Metallic and non-metallic materials, Use of aluminium alloy, titanium, stainless

steel and composite materials.

UNIT V POWER PLANTS USED IN AIRPLANES                                                           10

Basic ideas about piston, turboprop and jet engines, Use of propeller and jets for thrust

production., Principles of operation of rocket, types of rockets

TOTAL: 45 PERIODS

TEXT BOOKS

1. Anderson, J.D., "Introduction to Flight", McGraw-Hill, 1995. 

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AE2203 Solid mechanics questions/last year question papers

AE2203                                            SOLID MECHANICS                                         LT P C

3104

OBJECTIVE

To give brief descriptions on the behaviour of materials due to axial, bending and torsional and combined loads.

UNIT I BASICS AND AXIAL LOADING                                                                       10+3

Stress and Strain - Hooke's Law - Elastic constants and their relationship- Statically

determinate cases - statically indeterminate cases -composite bar. Thermal Stresses -

stresses due to freely falling weight.

UNIT II STRESSES IN BEAMS                                                                                    10+3

Shear force and bending moment diagrams for simply supported and cantilever beams-

Bending stresses in straight beams-Shear stresses in bending of beams with rectangular, I

& T etc cross sections-beams of uniform strength

UNIT III DEFLECTION OF BEAMS                                                                             10+3

Double integration method - McCauley's method - Area moment method - Conjugate

beam method-Principle of super position-Castigliano's theorem and its apllication

UNIT IV TORSION                                                                                                           5+3

Torsion of circular shafts - shear stresses and twist in solid and hollow circular shafts -

closely coiled helical springs.

UNIT V BI AXIAL STRESSES                                                                                      10+3

Stresses in thin circular cylinder and spherical shell under internal pressure - volumetric Strain. Combined loading - Principal Stresses and maximum Shear Stresses - Analytical and Graphical methods.

TOTAL: 60 PERIODS

TEXT BOOKS

1. Nash William - "Strength of Materials", TMH, 1998

2. Timoshenko.S. and Young D.H. - "Elements of strength materials Vol. I and Vol. II".,

T. Van Nostrand Co-Inc Princeton-N.J. 1990. 

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FLUID MECHANICS AND MACHINERY question bank/last year question bank

ME2204                       FLUID MECHANICS AND MACHINERY                          LTPC

(Common to Aeronautical, Mechanical, Automobile & Production)         3104

OBJECTIVES:

The student is introduced to the mechanics of fluids through a thorough understanding of

the properties of the fluids. The dynamics of fluids is introduced through the control volume approach which gives an integrated under standing of the transport of mass, momentum and energy.

The applications of the conservation laws to flow though pipes and hydraulics machines

are studied

UNIT I INTRODUCTION                                                                                                     12

Units & Dimensions. Properties of fluids - Specific gravity, specific weight, viscosity,

compressibility, vapour pressure and gas laws - capillarity and surface tension. Flow

characteristics: concepts of system and control volume. Application of control volume to

continuity equiation, energy equation, momentum equation and moment of momentum equation.

UNIT II FLOW THROUG CIRCULAR CONDUITS                                                           12

Laminar flow though circular conduits and circular annuli. Boundary layer concepts.

Boundary layer thickness. Hydraulic and energy gradient. Darcy - Weisbach equaition.

Friction factor and Moody diagram. Commercial pipes. Minor losses. Flow though pipes in

series and in parallel.

UNIT III DIMENSIONAL ANALYSIS                                                                                   9

Dimension and units: Buckingham's П theorem. Discussion on dimensionless parameters. Models and similitude. Applications of dimensionless parameters.

UNIT IV        ROTO DYNAMIC MACHINES                                                                        16

Homologus units. Specific speed. Elementary cascade theory. Theory of turbo machines.

Euler's equation. Hydraulic efficiency. Velocity components at the entry and exit of the

rotor. Velocity triangle for single stage radial flow and axial flow machines. Centrifugal pumps, turbines, performance curves for pumps and turbines.

UNIT V        POSITIVE DISPLACEMENT MACHINES                                                      11

Recriprocating pumps, Indicator diagrams, Work saved by air vessels. Rotory pumps.

Classification. Working and performance curves.

TOTAL: 60 PERIODS

TEXT BOOKS:

1. Streeter. V. L., and Wylie, E.B., Fluid Mechanics, McGraw Hill, 1983.

2. Rathakrishnan. E, Fluid Mechanics, Prentice Hall of India (II Ed.), 2007.

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AERO ENGINEERING THERMODYNAMICS question bank/last year question paper

                                       AERO ENGINEERING THERMODYNAMICS                 LT P C

3104

OBJECTIVE

To give a brief background of application of various laws of thermodynamics and its

application in heat transfer, refrigeration and air-conditioning, jet propulsion system.

UNIT I BASIC THERMODYNAMICS                                                                            15+3

Systems, Zeroth Law, First Law - Heat and work transfer in flow, Second law, Clausius

statement - concept of entropy entropy change in non-flow processes.

UNIT II AIR CYCLES                                                                                                        5 +3

Otto, Diesel, Dual combustion and Brayton combustion cycles - Air standard efficiency - Mean effective pressure - Actual and theoretical PV diagrams of two stroke and four stroke IC Engines.

UNIT III THERMODYNAMICS OF ONE DIMENSIONAL FLUID FLOW                    12+3

Application of continuity, momentum and energy equations- Rankine cycle - Isentropic

flow of ideal gases through nozzles - Simple jet propulsion system - Thrust rocket motor -

Specific impulse.

UNIT IV REFRIGERATION AND AIR CONDITIONING                                                6 +3

Principles of refrigeration, Air conditioning - Heat pumps - Vapour compression - Vapour absorption types - Coefficient of performance, Properties of refrigerants.

UNIT V AIR COMPRESSORS                                                                                        7+3

Classification and working principle of compressors (Descriptive Treatment). Isothermal and Isentropic efficiency of air compressors.

TOTAL: 60 PERIODS

TEXT BOOKS

1. Rathakrishnan, E, "Fundamentals of Engineering Thermodynamics", Prentice - Hall,

India, 2000 

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Mechanics of machines question bank/last year question paper

AE 2201                                    MECHANICS OF MACHINES                                LTPC

(Common to Automobile and Aeronautical)                         310 4

OBJECTIVE

To expose the students the different mechanisms, their method of working, Forces

involved and consequent vibration during working

UNIT I       MECHANISMS                                                                                                     9 +3

Machine Structure - Kinematic link, pair and chain - Grueblers criteria - Constrained

motion - Degrees of freedom - Slider crank and crank rocker mechanisms - Inversions -

Applications - Kinematic analysis of simple mechanisms - Determination of velocity

and acceleration.

UNIT II       FRICTION                                                                                                           9 +3

Friction in screw and nut - Pivot and collar - Thrust bearing - Plate and disc clutches -

Belt (flat and V) and rope drives. Ratio of tensions - Effect of centrifugal and initial tension

- Condition for maximum power transmission - Open and crossed belt drive.

UNIT III       GEARING AND CAMS                                                                                   9 +3

Gear profile and geometry - Nomenclature of spur and helical gears - Gear trains:

Simple, compound gear trains and epicylic gear trains - Determination of speed and

torque - Cams - Types of cams - Design of profiles - Knife edged, flat faced and roller

ended followers with and without offsets for various types of follower motions

UNIT IV       BALANCING                                                                                                     9 +3

Static and dynamic balancing - Single and several masses in different planes -Balancing

of reciprocating masses- primary balancing and concepts of secondary balancing - Single

and multi cylinder engines (Inline) - Balancing of radial V engine - direct and reverse

crank method

UNIT V      VIBRATION                                                                                                       9+3

Free, forced and damped vibrations of single degree of freedom systems - Force

transmitted to supports - Vibration isolation - Vibration absorption - Torsional vibration of shaft - Single and multi rotor systems - Geared shafts - Critical speed of shaft.

TOTAL: 60 PERIODS

TEXT BOOKS

1. Rattan.S.S, "Theory of Machines", Tata McGraw-Hill Publishing Co, New Delhi,2004.

2. Ballaney.P.L, "Theory of Machines", Khanna Publishers, New Delhi, 2002. 

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