ICLASS 94
Proceedings of the Sixth International Conference on Liquid Atomization and Spray Systems
Proceedings of the Sixth International Conference on Liquid Atomization and Spray Systems
ISBN Print: 978-1-56700-019-1
ISBN Online: 978-1-56700-446-5
EXPERIMENTAL TECHNIQUES FOR MEASUREMENTS OF DROPLET EVAPORATION
DOI: 10.1615/ICLASS-94.1120
pages 875-882
Resumo
New experimental techniques for droplet levitation and evaporation measurements are presented. A so-called ultrasonic levitator was used to position droplets in the size range between 0.5 and 2.2 mm at well defined points in space. Instantaneous droplet size measurements were performed by either a newly developed laser-shadow method or a CCD-camera. The laser-shadow method utilizes the intensity deficit in direct forward direction due to scattering and absorption of the illuminated droplet. Comparative measurements indicate a maximum droplet size error of less than 3%. Preliminary measurements of evaporation rates of single droplets show that pure liquids follow almost perfectly the well known D2-Law of evaporation, while water-sucrose and Ethyl-sucrose mixtures exhibit the expected non-linear behaviour. Finally, the influence of the ultrasonic field on evaporation rates was determined.
Begell Recommend
Electrospinning of Micro- and Nanofibers: Fundamentals in Separation and Filtration Processes Y. FilatovA. Budyka
V. Kirichenko ISBN Imprimir: 978-1-56700-241-6
ISBN On-line: 978-1-56700-240-9
Thermal Radiation in Disperse Systems: An Engineering Approach Leonid A. Dombrovsky
Dominique Baillis ISBN Imprimir: 978-1-56700-268-3
ISBN On-line: 978-1-56700-351-2