Author Archives: kpbennet

Week 9 and 10

Corrosion Test: To test how corrosive the chlorine is on the pump, we cut off two small chunks of the pump and placed one in a beaker with 0.001% chlorine solution (10 ppm) and the other in a beaker with … Continue reading

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Week 8 Prototype Update

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 7 Prototype Update

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 6 Prototype Update

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 5 Prototype Update

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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Week 4 Prototype Update

This week we tried out different check valves. Last week we prototyped a very crude check valve using a laser cut ring (thanks, Keegan!) and a yogurt top. This week we used this same design idea but substituted the yogurt … Continue reading

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Week 3 Prototype Update

This week we finished our first deliverable – a technology review and recommendation. Also, we tried out another check valve design, the flap design. We made a very crude flap check valve using a laser cut ring and part of … Continue reading

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