Sách Compound and other engine systems

Contents
3.1 Introduction 75
3.2 Gas generator and compound schemes compared
with the turbocharged engine 75
3.3 Analysis of turbocharged and compound engine
systems based on full cycle simulation 76
3.3.1 Analysis based on compression and
expansion machines with fixed polytropic
efficiencies of 85% and 80%, respectively 76
3.3.2 Analysis based on fully modelled system,
including compressor, turbine and cooler
characteristics 78
3.4 Other compounded or related engine schemes 81
3.4.1 The differential compound engine (DCE) 81
3.4.2 The differentially supercharged diesel
engine (DDE) 83
3.5 Other turbocharged or pressure charging systems 84
3.5.1 Two-st=age turbocharging 84
3.5.2 Variable geometry turbocharging 85
3.5.3 The pressure wave supercharger 86
References 87



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