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.
| | LEM | Description |
| 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 |
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