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Modeling and Design Diaphragm Micropump

Modeling and Design Diaphragm Micropump. University of South Florida - March 17, 2008. Destination. d. d. Pump chamber. p ( t ). Valve discs. Diaphragm. z. Pump chamber. p 1 *. Δ V. 1. 1. 2. p 2. 2. Inlet valve. V dead. Outlet valve. 1. 1. 2. 2. Pump chamber. Source.

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Modeling and Design Diaphragm Micropump

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  1. Modeling and Design Diaphragm Micropump University of South Florida - March 17, 2008

  2. Destination d d Pump chamber p(t) Valve discs Diaphragm z Pump chamber p1* ΔV 1 1 2 p2 2 Inlet valve Vdead Outlet valve 1 1 2 2 Pump chamber Source p(t) s s p2* p1 1 1 2 2 Diaphragm micropump with passive check-valves

  3. Pump chamber:mathematical model

  4. Pump chamber: Simulink model

  5. Pump chamber: simulation results

  6. Typical actuators

  7. Thermopneumatic micropump

  8. Diaphragm deflection

  9. Temperature–deflection relationship

  10. Temperature vs. deflection

  11. Actuation chamber: math. model

  12. Actuation chamber: Simulink model

  13. Actuation chamber: simulation results Experimental data

  14. Thermopneumatic micropump: Simulink model

  15. Thermopneumatic micropump: simulation results

  16. PCB Thermopneumatic micropump

  17. PCB design (boards 1 & 2) 1 2 TOP BOTTOM

  18. PCB design (boards 3 & 4) 3 4 TOP BOTTOM

  19. Pneumatic micropump

  20. Pneumatic micropump:math. model

  21. Pneumatic micropump: Simulink model

  22. Pneumatic micropump: results

  23. Pneumatic micropump: volume pumped per cycle vs. frequency

  24. Pneumatic micropump: flow rate vs. frequency

  25. Pneumatic micropump: flow rate vs. back pressure

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