Wednesday, February 6, 2019

Charging the Internal Combustion Engine ( Hermann Hiereth Peter Prenninger )

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Supercharging the reciprocating piston internal combustion engine is as old as the engine itself. Early on, it was used to improve the high-altitude performance of aircraft engines and later to increase the short-term peak performance in sporty or very expensive automobiles. It took nearly 30 years until it reached economic importance in the form of the efficiency-improving exhaust gas turbocharging of slow- and medium-speed diesel engines. It took 30 more years until it entered high-volume automotive engine production, in the form of both mechanically driven displacement compressors and modern exhaust gas turbocharging systems.

Since, in spite of promising alternative developments for mobile applications, the internal combustion engine will remain dominant for the foreseeable future, its further development is essential. Today many demands are placed on automobile engines: on the one hand, consumers insist on extreme efficiency, and on the other hand laws establish strict standards for, e.g., noise and exhaust gas emissions. It would be extremely difficult for an internal combustion engine to meet these demands without the advantages afforded by supercharging. The purpose of this book is to facilitate a better understanding of the characteristics of superchargers in respect to their physical operating principles, as well as their interaction with piston engines. This applies both to the displacement compressor and to exhaust gas turbocharging systems, which often are very complex. It is not intended to cover the layout, calculation, and design of supercharging equipment as such – this special area is reserved for the pertinent technical literature – but to cover those questions which are important for an efficient interaction between engine and supercharging system, as well as the description of the tools necessary to obtain an optimal engine–supercharger combination.

Symbols, indices and abbreviations
1. Introduction and short history of supercharging
2. Basic principles and objectives of supercharging
3. Thermodynamics of supercharging
4. Mechanical supercharging
5. Exhaust gas turbocharging
6. Special processes with use of exhaust gas turbocharging
7. Performance characteristics of supercharged engines
8. Operating behavior of supercharged engines in automotive applications
9. Charger control intervention and control philosophies for fixed-geometry and VTG chargers 
10. Instrumentation for recording the operating data of supercharged engines on the engine
test bench
11. Mechanics of superchargers
12. Charge air coolers and charge air cooling systems
13. Outlook and further developments in supercharging
14. Examples of supercharged production engines
Subject index
Author Details
"Helmut List"

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