Abstract
Atomization primarily involves interaction between liquid and surrounding gaseous medium resulting in the growth of unstable waves on a distorted liquid surface. There is a huge volume of work surrounding various models and theories involved in investigation of interface dynamics during sheet breakup. The present work summarizes the linear and nonlinear studies for different geometrical shapes of liquid sheet such as planar, annular, and swirling. The techniques involved in deriving nonlinear governing equations such as perturbation technique, multiple scales approach, and long wave approximation have been outlined. Effects of various factors on sheet instability such as viscosity, compressibility, surface temperature difference, unequal velocity, lateral waves and gas swirl have been listed. Research lacunae and scope of future work are presented in the summary.
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