Monthly Archives: May 2012

Week 8 Prototype Update

Posted on May 26, 2012 by kpbennet

This week we began to take a more serious look at the math behind our device. Specifically, we are trying to discover (1) if the chlorine dosing is in fact linearly related to the flow rate of the water through … Continue reading →

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Week 8 Update

Posted on May 25, 2012 by cacdiaz

So far this week, we tested our three current prototypes to see which one allowed the most consistent dosing of our water supply.  Continuing our simplified testing setup from last week, we measured the ratio of water to chlorine taken … Continue reading →

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Week 8

Posted on May 25, 2012 by isaacmadan

This week we continued to test our three prototypes to evaluate the consistency and dosing of each. We are also working to define a mathematical model that describes the dosing of our device. We are interested in better understanding what … Continue reading →

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Week 7 Prototype Update

Posted on May 19, 2012 by kpbennet

This week the prototype team made a new prototype and began the pump corrosion test. We made a new “T” prototype ready for testing. This prototype has the same set up as the venturi based device, but the difference is … Continue reading →

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Week 7

Posted on May 18, 2012 by isaacmadan

This week we simplified our testing setup to better understand dosing. Our plan is to fill the IV tube and straighten it on a plank. We then pump a number of times and mark the level of Cl dosed per … Continue reading →

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Week 7 Update

Posted on May 18, 2012 by cacdiaz

Our latest development (largely thanks to Kara) has been a simplified testing approach for evaluating how consistently our device doses a given volume of water flowing past it.  We assume that the volume of chlorine entering our water supply is … Continue reading →

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Week 6 Prototype Update

Posted on May 11, 2012 by kpbennet

This week the we helped out with testing the new set up with non return valves on each side of the device. From this we discovered that a significant amount of back-flow actually came from leaking between the pump and pipe connection. … Continue reading →

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Week 6

Posted on May 11, 2012 by isaacmadan

We had a very productive second meeting with Libby Wayman this week. On Monday we decided we would implement a second non-return valve above our device (in addition to the one below it) in order to essentially isolate our device … Continue reading →

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Week 6 Update (Libby’s 2nd Visit)

Posted on May 11, 2012 by cacdiaz

This week, Libby Wayman stopped by our meeting to follow up on how the team was doing since her last visit.  While we were intending to discuss failure modes & other strategic methods for critically assessing our project, we ended … Continue reading →

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Week 5 Prototype Update

Posted on May 5, 2012 by kpbennet

This week we looked more into non-return valves.  What we have tried so far has been unsuccessful so we are looking for inspiration from fish tank non return valves, sports ball pumps, and bike pumps. We are also considering different … Continue reading →

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