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ICLASS 94<br>Proceedings of the Sixth International Conference on Liquid Atomization and Spray Systems

ISBN:
978-1-56700-019-1 (Print)
978-1-56700-445-5 (Online)

ADAPTIVE PHASE/DOPPLER SYSTEMS AND THEIR APPLICATIONS TO SPRAYS AND SPRAY DRYING PROCESSES

A. Naqwi
TSI Inc, St Paul, USA

R. Menon
TSI Inc, St Paul, USA

Abstract

Adaptive optical components for a phase Doppler system are described and their utility is illustrated through measurements in a spray drying process, a spray of submicron droplets and a spray with a narrow size distribution. The measurements of submicron droplets in an electrospray have provided new fundamental insights into the process of electrohydrodynamic atomization. The adaptive phase/Doppler velocimeter is also useful for recognition of droplet composition, in addition to its size and velocity