2 Days
I.D.#C0131
Improved understanding and control of ignition and thereby
combustion are critical in dealing with the problems of pollutants
formation, engine performance, and fuel economy. This seminar
will provide you with basic knowledge and recent advances in
combustion-initiation (ignition) issues to more intelligently evaluate
and harness their potentials. Thermodynamic and fluid mechanical
properties of the unburned charge near the spark plug and at the time
of ignition strongly affect the quality of the combustion and therefore
the emission of the pollutants from the engine. Furthermore, a weak
ignition limits engine performance and drivability. The so-called cyclic
variability, which affects and bounds the lean and knock limits of an
engine design is to a great degree influenced by the ignition system.
Equally important, the ignition system can and is being used to provide
local in-cylinder information on air-fuel ratio, misfire, knock, and mass
fraction burned in each individual cylinder. Hence, great potential
exists for applications of this information for individual cylinder control
strategy to attain a more fuel efficient and environmentally compatible
engine.
Learning Objectives
By attending this seminar, you will be able to:
Describe the important processes in ignition and its relation to
engine performance, efficiency, and emission
Explain the combustion process in internal combustion engines
Apply ignition strategies for reduction of engine pollutants
Recognize the effects of ignition system design and engine
operating conditions on combustion and emission
Describe the technology and the logic behind the current and future
ignition-based engine diagnostics
Assist in the design of critical components such as combustion
chambers and exhaust systems
Identify key design components of an ignition system for optimum
combustion chamber design and low engine emission of pollutants
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