Rotary Combustion Engine Hydrocarbon Source Studies Engine Research Dept., General Motors Research Labs. Warren, MI

Format:

Conference/Event

Author/Creator:

Bayer, Robert J., author.

Conference Name:

1978 SAE International Fall Fuels and Lubricants Meeting and Exhibition (1978-11-13 : Toronto, Canada)

Language:

English

Physical Description:

1 online resource

Place of Publication:

Warrendale, PA SAE International 1978

Summary:

In an effort to improve the trade-off between fuel economy and emissions in the rotary combustion engine, research was undertaken to provide a better understanding of the sources of unburned hydrocarbons in the exhaust. Flame photography was used in conjunction with extensive time-resolved exhaust gas sampling. Examinations were made of the effects of air-fuel ratio, engine load, residual gas, and engine speed on combustion and hydrocarbon emissions using the two experimental techniques. These studies identified two major sources of hydrocarbon emissions: flame extinction and, not surprisingly, apex seal leakage.Conclusions were the following: (1) at lean air-fuel ratios (id est, 18.0 to 1), flame extinction in the trailing portion of the chamber was a major source of exhaust hydrocarbons, and (2) at richer air-fuel ratios (id est, 16.5 to 1), apex seal leakage was a major source of exhaust hydrocarbons

Notes:

Vendor supplied data

Publisher Number:

780965

Access Restriction:

Restricted for use by site license