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Expt 9: Measurement of Droplet Size for an Air-Assist Atomizer
Aim
Intro
Theory
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Results
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Atomizer used for experiment
Experimental setup
Malvern Spraytec Analyzer
Working principle
: Fraunhofer diffraction; line-of-sight measurement.
Purging air is supplied at the transmitter and receiver ends to ensure dust-free collection of data, leading to reduction of errors.
A 670 nm LASER beam from the transmitter to receiver end (containing rings), undergoes scattering when interrupted by spray particles.
Droplet diameters (1 to 1000 �m) are determined based on the optical scattering pattern observed at the receiver end.
© Virtual Combustion and Atomization Lab, IIT Kanpur
