Sách The theory of turbocharging

Contents
2.1 Introduction 29
2.2 Turbocharging 30
2.2.1 Turbochargers for automotive diesel
engines 30
2.2.2 Small industrial and marine engine
turbochargers 33
2.2.3 Large industrial and marine engine
turbochargers 34
2.3 Turbocharger performance 35
2.3.1 Compressor and turbine efficiency 35
2.3.2 Non-dimensional representation of
compressor and turbine characteristics 37
2.3.3 Compressor performance 38
2.3.4 Turbine performance 38
2.4 Turbocharging systems—principles 40
2.4.1 The energy in the exhaust system 40
2.4.2 Principles of constant pressure
turbocharging 41
2.4.3 Principles of pulse turbocharging 44
2.4.4 Principles of pulse converter and other
turbocharging systems 53
2.5 Charge air cooling 55
2.5.1 Charge cooling principles 55
2.5.2 Charge air cooling and engine performance 57
2.6 Turbocharger matching 59
2.6.1 Introduction 59
2.6.2 Air flow characteristics of engine and
turbocharger 61
2.6.3 Matching for constant speed operation 62
2.6.4 Matching the marine engine 63
2.6.5 Matching for diesel-electric traction 64
2.6.6 Matching for other industrial duties 65
2.6.7 Matching the four-stroke vehicle engine 65
2.6.8 Matching the two-stroke vehicle engine 67
2.7 Changes in ambient conditions 69
2.7.1 Introduction 69
2.7.2 Operation under changing ambient
conditions 69
2.7.3 Rematching to suit local ambient
conditions 70
2.8 Closure 70
References 71
Acknowledgements 71
Nomenclature 71



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