Research Article

Drop-on-Demand Inkjet Printhead Performance Enhancement by Dynamic Lumped Element Modeling for Printable Electronics Fabrication

Table 2

Lumped elements modeling parameter estimation.

LEMDescription

Neck, where is viscosity, is wave frequency, and is gradients ratio
, where

Cavity, where is volume of the cavity

Piezoelectric, where is the elastic modulus, is Poisson’s ratio, and is the thickness
, where is the experimentally determined damping factor [18]

Nozzle, where is the Bessel function of the first kind and
, where is electroacoustic coupling factor