Browse Publications Technical Papers 2006-01-0225
2006-04-03

Knock Behavior of SI-Engines: Thermodynamic Analysis of Knock Onset Locations and Knock Intensities 2006-01-0225

A general definition and an index for the assessment of different engine knock behavior have been developed. The knock onset locations have been determined by piezoresistive pressure actuators and optical fiber probes in full load engine operation mode. The thermodynamic conditions at the knock onset locations have been quantified by CFD-calculations. Therefore the local fuel concentration, mixture temperature and residual gas concentration have been considered. These calculated thermodynamic conditions were further used to calculate the necessary volume of an exothermal center for the generation of the maximal measured pressure amplitudes.

SAE MOBILUS

Subscribers can view annotate, and download all of SAE's content. Learn More »

Access SAE MOBILUS »

Preview Document Add to Cart
Members save up to 16% off list price.
Login to see discount.
Special Offer: Download multiple Technical Papers each year? TechSelect is a cost-effective subscription option to select and download 12-100 full-text Technical Papers per year. Find more information here.
We also recommend:
TECHNICAL PAPER

An Investigation of Gasoline Engine Knock Limited Performance and the Effects of Hydrogen Enhancement

2006-01-0228

View Details

TECHNICAL PAPER

Exhaust Gas Recirculation for Improved Part and Full Load Fuel Economy in a Turbocharged Gasoline Engine

2006-01-0047

View Details

TECHNICAL PAPER

Measurements of Local In-Cylinder Fuel Concentration Fluctuations in a Firing SI Engine

971644

View Details

X