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Design a flow meter to monitor oxygen and medical air CO2 with either single or continuous readouts, measuring 1x4x1” or 4x4x1” respectively, that are accurate within 10% of actual flow rate costing less than $2 each when mass produced.
(left to right):
Ryan Drake, Anna Moeller, Kailey Feyereisen, Gina Stuessy
We have built and testing our two designs, the venturi and rotameter, with air and nitrogen sources. With air, the venturi produced fairly accurate and consistant readings at 5 LPM and 8 LPM (8 was the best, with less than 1% error). The nitrogen source produced considerably less consistant results. The rotameter float failed to rise at all in the 0-15 LPM medical flow range. (See pictures from testing below).
We have written a follow up report to send in to EWH regarding the venturis progress.
Venturi meter
Testing setup
Venturi on door of fume hood on black plastic
Dr. Chesler’s Calibrated rotameter
Our rotameter in testing
| Week | Reporting Period Beginning | Activities |
|---|---|---|
| 1 | January 20 | Meet with client Dr. Webster |
| 2 | January 27 | Assemble and turn in PDS, brainstorm design options |
| 3 | February 3 | brainstorm, continue research |
| 4 | February 10 | Develop preliminary ideas and assign parts of presentation, assign parts of mid-semester report, look into materials |
| 5 | February 17 | Assemble PowerPoint, practice presentation, give presentation, assemble report |
| 6 | February 24 | Edit report, turn in report, decide on final design, locate and order materials |
| 7 | March 3 | Work on design and prototype, order any other materials |
| 8 | March 10 | Spring Break, continue to work on prototype |
| 9 | March 17 | Continue assembling prototype, decide on tests, begin testing |
| 10 | March 24 | Continue prototype assembly and testing, make any necessary corrections |
| 11 | March 31 | Continue testing |
| 12 | April 7 | Assign parts in presentation and report, continue testing and building |
| 13 | April 14 | Assemble and practice presentation, give presentation, assemble report |
| 14 | April 21 | Edit final report and turn in, posters due |
| 15 | April 28 | Final meeting with advisor |
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Project Design Specifications - updated (Feb 9 2006, 23 kb) |
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Project Design Specifications (Feb 9 2006, 15 kb) |
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Midsemester Presentation (Feb 23 2006, 334 kb) |
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Midsemester Report (Mar 22 2006, 243 kb) |
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Venturi Meter Proposal (Apr 21 2006, 150 kb) |
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Poster Presentation (May 5 2006, 422 kb) |
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Final Report (May 5 2006, 527 kb) |
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Venturi Follow-Up Report (May 5 2006, 813 kb) |
