Diesel Spray Combustion Rate Enhancement by Increasing Injection Pressure CNPM-CNR

Format:

Conference/Event

Author/Creator:

Riva, Giulio E., author.

Conference Name:

International Congress & Exposition (1993-03-01 : Detroit, Michigan, United States)

Language:

English

Physical Description:

1 online resource

Place of Publication:

Warrendale, PA SAE International 1993

Summary:

A parametric investigation on high pressure diesel spray combustion characteristics was performed using a constant volume bomb, in such a way as to cover a wide range of chamber conditions, for 100, 210, and 320 MPa injection pressure. Ignition delay and position were found to be scarcely affected by injection pressure. High values of gas temperature and density produce faster ignition and move the ignition location closer to the injector nozzle. The duration of the combustion process was found to be a function of both injection pressure and chamber conditions. In particular, injection pressure increments shorten the combustion time, featuring a monotonic effect. Chamber temperature variations did not produce monotonic effects on combustion times. In fact, a minimum was found in the low- medium temperature range for all the conditions tested. In this respect, for each injection pressure, a fast combustion region on a gas pressure-temperature map can be defined, whose extent increases as the injection pressure increases

Notes:

Vendor supplied data

Publisher Number:

930926

Access Restriction:

Restricted for use by site license