CUED Publications database

Effect of atomizing air flow on spray atomization of an internal-mix twin-fluid atomizer

Chong, CT and Hochgreb, S (2015) Effect of atomizing air flow on spray atomization of an internal-mix twin-fluid atomizer. Atomization and Sprays, 25. pp. 657-673. ISSN 1044-5110

Full text not available from this repository.

Abstract

© 2015 by Begell House, Inc. The effect of the atomization air flow rate on the spray characteristics of a swirling twin-fluid atomizer operating on Diesel fuel is investigated. The mean droplet axial velocity and size distributions were simultaneously measured using a phase Doppler anemometer (PDA). The mean droplet diameter is found to increase with radial distance from the spray centreline, while its axial velocity decreases from a peak at the centreline. Increasing the atomizing air-liquid fuel mass ratio (ALR) reduces the fuel droplet size due to the increased shear and increases the spray penetration length as a result of increased momentum. Comparison of the drop size-ALR relations to previous independently developed correlations shows good agreement. A comparison was made between the observable boundaries obtained with Mie scattering and the droplet number density. It is found that the Mie images correspond to 95%-99% edge of the cumulative droplet mass distribution through the spray.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: Div A > Energy
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:44
Last Modified: 07 Sep 2017 01:46
DOI: