Further exploration of acoustic droplet vaporization
Objectives
(1) Simulate single droplet vaporization with existing models but applied to BRG droplet such as condensed BR38 or microfluidic PFC nanodrops
(2) Define a robust method for pressure threshold determination
(3) Apply design of experiments for multivariate characterization of the phenomenon
Strategies
Statistical threshold determination methods
Multiple designs : Doehlert for exploration then central composite for quality
Lacour's model implementation
Factors
Hyper-parameters of fit
Acoustical
Parameters
Models
Segmented linear regression vs Sigmoïdal fit
Empirical model : quadratic with interactions
Analytical/Numerical : Time evolution
Excitation frequency
Number of cycles per pulse
Response
Pressure threshold fit quality
Pressure threshold
Bubble and droplet radii
Formulation
Size
Acoustical
Excitation frequency
Excitation shape : continuous vs pulse
C5F12
C4F10
Initial bubble radius
Initial droplet radius