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عدد المساهمات : 2041 التقييم : 3379 تاريخ التسجيل : 21/01/2012 العمر : 44 الدولة : مصر العمل : مدير الصيانة بشركة تصنيع ورق الجامعة : حلوان
 | موضوع: كتابMechanical Engineering Principles الجمعة 12 أكتوبر 2012, 8:32 am | |
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اخوانى فى الله احضرت لكم اليوم كتاب Mechanical Engineering Principles اتمنى من الله ان تستفيدو منة وان ينال اعجابكم Contents Preface ix Part 1 Statics and strength of materials 1 1 The effects of forces on materials 1 1.1 Introduction 1 1.2 Tensile force 2 1.3 Compressive force 2 1.4 Shear force 2 1.5 Stress 2 1.6 Strain 3 1.7 Elasticity, limit of proportionality and elastic limit 6 1.8 Hooke’s law 7 1.9 Ductility, brittleness and malleability 11 1.10 Modulus of rigidity 12 1.11 Thermal strain 12 1.12 Compound bars 13 2 Tensile testing 18 2.1 The tensile test 18 2.2 Worked problems on tensile testing 19 2.3 Further worked problems on tensile testing 21 3 Forces acting at a point 25 3.1 Scalar and vector quantities 25 3.2 Centre of gravity and equilibrium 25 3.3 Forces 26 3.4 The resultant of two coplanar forces 27 3.5 Triangle of forces method 28 3.6 The parallelogram of forces method 29 3.7 Resultant of coplanar forces by calculation 29 3.8 Resultant of more than two coplanar forces 30 3.9 Coplanar forces in equilibrium 32 3.10 Resolution of forces 34 3.11 Summary 37 4 Forces in structures 40 4.1 Introduction 40 4.2 Worked problems on mechanisms and pin-jointed trusses 41 4.3 Graphical method 42 4.4 Method of joints (a mathematical method) 46 4.5 The method of sections (a mathematical method) 52 Assignment 1 55 5 Simply supported beams 57 5.1 The moment of a force 57 5.2 Equilibrium and the principle of moments 58 5.3 Simply supported beams having point loads 61 5.4 Simply supported beams with couples 64 6 Bending moment and shear force diagrams 69 6.1 Introduction 69 6.2 Bending moment (M) 69 6.3 Shearing force (F) 69 6.4 Worked problems on bending moment and shearing force diagrams 70 6.5 Uniformly distributed loads 78 7 First and second moment of areas 84 7.1 Centroids 84 7.2 The first moment of area 84 7.3 Centroid of area between a curve and the x-axis 84 7.4 Centroid of area between a curve and the y-axis 85 7.5 Worked problems on centroids of simple shapes 86 7.6 Further worked problems on centroids of simple shapes 87 7.7 Second moments of area of regular sections 88 7.8 Second moment of area for ‘built-up’ sections 96 Assignment 2 102 vi MECHANICAL ENGINEERING PRINCIPLES 8 Bending of beams 103 8.1 Introduction 103 8.2 To prove that σ y = M I = E R 103 8.3 Worked problems on the bending of beams 105 9 Torque 109 9.1 Couple and torque 109 9.2 Work done and power transmitted by a constant torque 110 9.3 Kinetic energy and moment of inertia 112 9.4 Power transmission and efficiency 116 10 Twisting of shafts 120 10.1 Introduction 120 10.2 To prove that τ r = T J = Gθ L 120 10.3 Worked problems on the twisting of shafts 122 Assignment 3 126 Part 2 Dynamics 127 11 Linear and angular motion 127 11.1 The radian 127 11.2 Linear and angular velocity 127 11.3 Linear and angular acceleration 129 11.4 Further equations of motion 130 11.5 Relative velocity 132 12 Linear momentum and impulse 136 12.1 Linear momentum 136 12.2 Impulse and impulsive forces 139 13 Force, mass and acceleration 144 13.1 Introduction 144 13.2 Newton’s laws of motion 144 13.3 Centripetal acceleration 147 13.4 Rotation of a rigid body about a fixed axis 149 13.5 Moment of inertia (I ) 149 14 Work, energy and power 153 14.1 Work 153 14.2 Energy 157 14.3 Power 159 14.4 Potential and kinetic energy 162 14.5 Kinetic energy of rotation 165 Assignment 4 169 15 Friction 170 15.1 Introduction to friction 170 15.2 Coefficient of friction 170 15.3 Applications of friction 172 15.4 Friction on an inclined plane 173 15.5 Motion up a plane with the pulling force P parallel to the plane 173 15.6 Motion down a plane with the pulling force P parallel to the plane 174 15.7 Motion up a plane due to a horizontal force P 175 15.8 The efficiency of a screw jack 177 16 Motion in a circle 182 16.1 Introduction 182 16.2 Motion on a curved banked track 184 16.3 Conical pendulum 185 16.4 Motion in a vertical circle 187 16.5 Centrifugal clutch 189 17 Simple harmonic motion 191 17.1 Introduction 191 17.2 Simple harmonic motion (SHM) 191 17.3 The spring-mass system 192 17.4 The simple pendulum 194 17.5 The compound pendulum 195 17.6 Torsional vibrations 196 18 Simple machines 198 18.1 Machines 198 18.2 Force ratio, movement ratio and efficiency 198 18.3 Pulleys 200 18.4 The screw-jack 202 18.5 Gear trains 203 18.6 Levers 205 Assignment 5 209 Part 3 Heat transfer and fluid mechanics 211 19 Heat energy and transfer 211 19.1 Introduction 211 19.2 The measurement of temperature 212 19.3 Specific heat capacity 212 19.4 Change of state 214 19.5 Latent heats of fusion and vaporisation 215 19.6 A simple refrigerator 217 19.7 Conduction, convection and radiation 217 19.8 Vacuum flask 218 CONTENTS vii 19.9 Use of insulation in conserving fuel 218 20 Thermal expansion 221 20.1 Introduction 221 20.2 Practical applications of thermal expansion 221 20.3 Expansion and contraction of water 222 20.4 Coefficient of linear expansion 222 20.5 Coefficient of superficial expansion 224 20.6 Coefficient of cubic expansion 225 Assignment 6 229 21 Hydrostatics 230 21.1 Pressure 230 21.2 Fluid pressure 231 21.3 Atmospheric pressure 232 21.4 Archimedes’ principle 233 21.5 Measurement of pressure 235 21.6 Barometers 235 21.7 Absolute and gauge pressure 237 21.8 The manometer 237 21.9 The Bourdon pressure gauge 238 21.10 Vacuum gauges 239 21.11 Hydrostatic pressure on submerged surfaces 240 21.12 Hydrostatic thrust on curved surfaces 241 21.13 Buoyancy 241 21.14 The stability of floating bodies 242 22 Fluid flow 247 22.1 Introduction 247 22.2 Differential pressure flowmeters 247 22.3 Orifice plate 247 22.4 Venturi tube 248 22.5 Flow nozzle 249 22.6 Pitot-static tube 249 22.7 Mechanical flowmeters 250 22.8 Deflecting vane flowmeter 250 22.9 Turbine type meters 250 22.10 Float and tapered-tube meter 251 22.11 Electromagnetic flowmeter 252 22.12 Hot-wire anemometer 253 22.13 Choice of flowmeter 253 22.14 Equation of continuity 253 22.15 Bernoulli’s Equation 254 22.16 Impact of a jet on a stationary plate 255 23 Ideal gas laws 258 23.1 Introduction 258 23.2 Boyle’s law 258 23.3 Charles’ law 259 23.4 The pressure law 260 23.5 Dalton’s law of partial pressure 260 23.6 Characteristic gas equation 261 23.7 Worked problems on the characteristic gas equation 261 23.8 Further worked problems on the characteristic gas equation 263 24 The measurement of temperature 267 24.1 Introduction 267 24.2 Liquid-in-glass thermometer 267 24.3 Thermocouples 268 24.4 Resistance thermometers 270 24.5 Thermistors 272 24.6 Pyrometers 272 24.7 Temperature indicating paints and crayons 274 24.8 Bimetallic thermometers 274 24.9 Mercury-in-steel thermometer 274 24.10 Gas thermometers 275 24.11 Choice of measuring device 275 Assignment 7 277 A list of formulae 279 Greek alphabet 283 Answers to multiple-choice questions 284 Index 2 رابط التحميل : https://rapidshare.com/#!download|464p12|318928218|Mechanical_Engineering_Principles.rar|5404|0|0 
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 | موضوع: رد: كتابMechanical Engineering Principles الجمعة 12 أكتوبر 2012, 8:33 am | |
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 | موضوع: رد: كتابMechanical Engineering Principles الجمعة 12 أكتوبر 2012, 8:54 am | |
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rambomenaa كبير مهندسين


عدد المساهمات : 2041 التقييم : 3379 تاريخ التسجيل : 21/01/2012 العمر : 44 الدولة : مصر العمل : مدير الصيانة بشركة تصنيع ورق الجامعة : حلوان
 | موضوع: رد: كتابMechanical Engineering Principles الجمعة 12 أكتوبر 2012, 3:53 pm | |
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