Authors: B. de Heij, B. van der Schoot, N.F. de Rooij, H. Bo and J. Hess
Affilation: University of Neuchätel, Switzerland
Pages: 542 - 545
Keywords: vaporiser, modeshapes, design rules, monodispersive drop generation
We present a piezo-electrically driven droplet generator with a large number of nozzles working in parallel and operating in the Drop On Demand mode. This device is build as part of a system for Inhalation Drug Therapy. Details of modelling and optimisation of this device are explained. The operation of the device is resonance dependent. To arrive at a higher throughput and a more reliable operation, modeshape analysis has been performed. Finally an improved design was proposed which uses modeshape targeting. Final results are a fast prototyping platform and a set of design rules.
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