Premium
Basic Studies of Electrohydrodynamic Atomization Process using phase Doppler measurement technique
Author(s) -
Naqwi Amir A.,
Hartman Ruppert P. A.,
Marijnissen Jan C. M.
Publication year - 1996
Publication title -
particle and particle systems characterization
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.877
H-Index - 56
eISSN - 1521-4117
pISSN - 0934-0866
DOI - 10.1002/ppsc.19960130213
Subject(s) - electrohydrodynamics , drag , drop (telecommunication) , doppler effect , mechanics , phase (matter) , jet (fluid) , planar , materials science , optics , electric field , chemistry , physics , mechanical engineering , organic chemistry , quantum mechanics , astronomy , engineering , computer graphics (images) , computer science
A planar phase Doppler system is used to measure submicron droplets generated by an electrospray. Measured drop dia‐meters are correlated with the liquid properties and the condition for transition of the spray from the single‐jet mode to the multi‐jet mode is introduced. In another set of measurements using a standard phase Doppler system, combined size and velocity data are employed to deduce the drag force on the drops. In a situation where the drag force is balanced primarily by the electric force, the phase Doppler measurements allow to estimate the power‐law relationship between the charge on a drop and its diameter and hence, many provide insights into the underlying atomization mechanisms.