Investigation of secondary droplet characteristics produced by an isooctane drop chain impact onto a heated piston surface

The physics of the impingement process of small hydrocarbon droplets is mostly unknown due to the difficulties of obtaining experimental data. In this publication, the impingement of small isooctane droplets on a hot piston surface is studied. The emphasis was put on the image-based investigation of...

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Bibliographic Details
Published in:Experiments in fluids 2005-08, Vol.39 (2), p.351-363
Main Authors: RICHTER, B, DULLENKOPF, K, BAUER, H.-J
Format: Article
Language:English
Subjects:
Applied sciences
Droplets
Energy
Energy. Thermal use of fuels
Engines and turbines
Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc
Exact sciences and technology
Fluid dynamics
Hydrocarbons
Impingement
Isooctane
Pistons
Temporal logic
Wall temperature
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Summary:The physics of the impingement process of small hydrocarbon droplets is mostly unknown due to the difficulties of obtaining experimental data. In this publication, the impingement of small isooctane droplets on a hot piston surface is studied. The emphasis was put on the image-based investigation of the process of successive impingements and its influence on secondary droplet formation. The diameter and velocity of the secondary droplets were found to depend on the wall temperature and impingement frequency. Thus, the temporal interaction has a significant influence on the secondary droplet characteristics.
ISSN:0723-4864
1432-1114
DOI:10.1007/s00348-005-1018-0