《aircraft and automobile propulsion a textbook》PDF提取 ⇩

1.Cycles and Processes1

1.1Introduction1

1.2 Thermodynamic Processes and Cycles2

1.3 Otto Cycle19

1.4 Diesel Cycle24

1.5 Dual Cycle29

1.6 Comparison of Cycles34

1.7 Brake Thermal Efficiency38

1.8 Mechanical Efficiency38

1.9 Overall Efficiency39

1.10 Volumetric Efficiency39

1.11 Torque and Mean Effective Pressure39

1.12 Specific Fuel Consumptions40

Summary42

Questions43

2.Aircraft Power Plants45

2.1Introduction45

2.2 Brief Description and Principles46

2.3 Turbojet Propulsion57

2.4 Propeller Propulsion61

2.5 Turboprop Propulsion62

2.6 Bypass Jet Propulsion66

2.7 Ramjet Propulsion67

Summary68

Questions68

3.Internal Combustion Engines71

3.1Introduction71

3.2 Types and Process72

3.3 Working of Spark Ignition Engines80

3.4 Working of Compression Ignition Engines83

3.5 Working of 2-stroke Engines85

3.6 Working of 4-stroke Engines87

3.7 Parts of Engines and Their Materials90

3.8 Combustion Process91

3.9 Abnormal Combustion96

3.10 Arrangements for Multi-cylinder Aircraft Engines98

3.11 Intake and Exhaust Manifolds99

3.12 Aircraft SI Engines100

3.12.1 Ignition Systems101

3.12.2 Effect of Altitude and Speed103

3.12.3 Power Required and Power Available104

3.12.4 Supercharging106

3.12.5 Types of Superchargers107

Summary109

Questions109

4.Internal Combustion Engines113

4.1Introduction113

4.2 IHP114

4.3 BHP or SHP116

4.4 FHP118

4.5 Corrections Factors121

4.6 Variable Speed and Constant Speed Test123

Summary133

Questions133

5.Elements of Heat Transfer135

5.1Introduction135

5.2 Heat Transfer Process136

5.3 Heat Conduction147

5.4 Thermal Conductivity150

5.5 General Equation for Heat Conduction152

5.6 1-D Heat Conduction154

5.7 2-D Heat Conduction169

5.8 Convective Heat Transfer Process178

5.9Free Convection Heat Transfer182

5.9.1 Convection on Flat Plate183

5.9.2 Planes183

5.9.3 Cylinders184

5.9.4 Sphere184

5.10 Thermal Radiation184

5.11 Emissive Power186

5.12 Plank's Distributive Law187

5.13 Radiation Properties189

Summary198

Questions198

6.Carburetion201

6.1Introduction201

6.2 Fuel-air Ratio Requirements202

6.3 Typical Carburetor Elements204

6.4 Calculation of Venturi and Fuel Orifice Size209

Summary214

Questions214

7.Lubrication and Cooling Systems217

7.1Introduction217

7.2Type of Lubrication Systems218

7.2.1 Petrol Lubrication System219

7.2.2 Splash Lubrication System219

7.2.3 Semi-Pressure Lubrication System220

7.2.4 Pressure Lubrication System220

7.2.5 Dry-sump Lubrication System220

7.3 Properties of Engine Lubricants221

7.4 Properties of Lubricant Additives223

7.5Types of Colling Systems224

7.5.1 Air Cooling225

7.5.2 Pressure Cooling226

7.5.3 Steam Cooling227

Summary228

Questions228

Further Reading231

Appendix233

Index239

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