Image-based analysis of evaporating diesel sprays in the near-nozzle region

Cyril Crua, Guillaume De Sercey, Martin Gold, Morgan Heikal

Research output: Chapter in Book/Conference proceeding with ISSN or ISBNConference contribution with ISSN or ISBN

Abstract

Detailed measurements of near-nozzle spray formation is essential to better understand and predict the processes involved in diesel fuel atomisation. We previously showed that direct imaging with sub-micron resolution could yield droplet size measurements in the near-nozzle region under non-evaporative conditions, without an arbitrary requirement for droplet sphericity. We now report on progress made with ongoing experimental investigations at elevated pressure and temperature conditions. We conducted tests on a reciprocating rapid compression machine to produce high-resolution panoramas of the liquid spray interface, compared them with high-speed video frames, and measured droplet sizes at key locations. We also studied the size and shape of liquid structures formed during the end of injection, which were found to be significantly larger and slower than those recorded during injection.
Original languageEnglish
Title of host publicationILASS – Europe 2013, 25th European Conference on Liquid Atomization and Spray Systems
Place of PublicationILASS
Pages0-0
Number of pages1
Publication statusPublished - 1 Sep 2013
EventILASS – Europe 2013, 25th European Conference on Liquid Atomization and Spray Systems - Chania, Greece, 1-4 September, 2013
Duration: 1 Sep 2013 → …

Conference

ConferenceILASS – Europe 2013, 25th European Conference on Liquid Atomization and Spray Systems
Period1/09/13 → …

Bibliographical note

© 2013 The author(s)

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