Browse Publications Technical Papers 770046
1977-02-01

Transient Response of a Carburetor Engine 770046

The transient response of a carburetor engine was studied experimentally. The results show that fuel and air flow at the carburetor respond instantly to throttle motion, however at the cylinder, dynamic lags in fuel flow make large variations in air fuel ratio which appear as delays in the change in maximum cylinder pressure. Initial air fuel ratio has a large effect on this maximum cylinder pressure response, and its time lags vary in proportion to inlet pipe length and inversely proportion to engine speed.
An approximate theory on the fuel film flow was established to explain these results.

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

Air-Fuel Ratio Control for a High Performance Engine using Throttle Angle Information

1999-01-1169

View Details

TECHNICAL PAPER

Modelling Methodology of a Spark-Ignition Engine and Experimental Validation: Part II: Gas Exchange Process

2002-01-2194

View Details

TECHNICAL PAPER

On the Causes of In-Cylinder Air-Fuel Ratio Excursions During Load and Fuelling Transients in Port-Injected Spark-Ignition Engines

960466

View Details

X