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Design, Fabrication and Testing of a Nozzle/Diffuser PDMS Micropump with Top Actuation

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Micropumps with varying nozzle-diffuser geometry and actuations are being explored for many drug delivery applications. Power consumption and reliability become very critical in the realization of these micropumps. In this study, the performance of a micropump consisting of three nozzle/diffuser elements designed and fabricated from PDMS material and actuated on top by a reciprocal motor was evaluated. The performance characteristics related to the flow rate obtained from testing demonstrated the efficiency of the micropump. The results obtained illustrate the relationship between actuation frequency and fluid flow through the micropump. The effects of fluid viscosity and actuator location were also investigated and the results are presented and discussed.





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Keywords: CFD; Design; Fabrication and Testing of a Nozzle/Diffuser PDMS Micropump with Top Actuation; Microfluidics; Micropump; Nozzle/Diffuser; PDMS; Power consumption; actuation; insulin injectors; simulation; thermodynamic

Document Type: Research Article

Publication date: March 1, 2011

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  • Micro and Nanosystems publish significant original work, topical reviews and guest edited issues ranging from technologies and systems to product innovation and new manufacturing processes with features at the micro and nanoscale. Applications for micro and nanosystems in areas such as health, environmental, food, security and consumer goods will be covered. The topics to be addressed will include Lab-on-a-chip, microfluidics, nano-biotechnology, micro and nanomanufacturing, printed electronics and MEMS.
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