Supercharging and turbocharging The power of a reciprocating internal combustion engine can be increased in vast proportions by charging it with air compressed above the atmospheric pressure. That may be done by various compressor types, but their drive takes some power which is subtracted from the brut engine's power if the compressor is mechanically driven from the crankshaft. By driving a high speed axial or radial compressor with an exhaust gas turbine, some energy that would otherwise be lost is recovered to drive the compressor. A vast array of combinations and associations of turbo-machinery and mechanical compressors have been imagined and developed. More are coming…
Contents :
Page 1 : Introduction,
Page 2 : How to increase the power of an engine ?,
Page 3 : Working principles of the turbocharger (1/2) ,
Page 4 : Working principles of the turbocharger (2/2) ,
Page 5 : High thermal and mechanical stress,
Page 6 : The Intercooler,
Page 7 : Unusual turbochargers,
Page 8 : Asymmetrical V6 turbocharging,
Page 9 : Variable geometry turbines with radial control,
Page 10 : Variable geometry turbines with axial control,
Page 11 : Mechanical supercharging,
Page 12 : Roots blowers with helical rotors.
Publication date : November 2003.
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