 | MSM 99
Technical Proceedings of the 1999 International Conference on Modeling and Simulation of Microsystems
Chapter 16: Applications: Microfluidics |
The Valveless Diffuser Pump-A Numerical Design Study Using MATLAB | |
| Authors: | A. Olsson, G. Stemme and E. Stemme |
| Affilation: | Department of Signals, Sensors and Systems, SE |
| Pages: | 581 - 584 |
| Keywords: | valveless diffuser pump, numerical design study, matlab |
| Abstract: | A lumped-mass model is used to improve the design of the valveless diffuser pump. The model is implemented using MATLAB and tested for different previously reported pumps. The flow-pressure characteristics are predicted for different excitation levels. It is seen that low chamber pressure limits the possible excitation level. A pump with two serially connected pump chambers working in anti-phase is found advantageous compared with a single chamber pump. Indication is found that down scaling of the diffuser elements from 80ïïïï80 µm throat cross-sectional area to 40ïïïï40 µm throat cross-sectional area increase the attainable pressure head. The possibility to use deposited PZT instead of discs fixed with adhesive is shown promising. |
 | View PDF of paper |
| ISBN: | 0-9666135-4-6 |
| Pages: | 697 |
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