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Another task that I focused on towards the end of the semester was the error checking and updating of the FlexTubeF, which was used to draw the flexible tubing in order to better represent the CDC system. . An initial attempt of using the existing FlexTubeF resulted in an irregular shaped polyline that didn't represent at all a flexible tubing. Since I noticed that it was the sweep function that was failing each time I tested the FlexTubeF and FlexCylinderF, I found out that the names of the inlet and outlet points were the origin of the errors. I tried to shorten the names but still abide by the AguaClara naming conventions, however the flexible tubing failed to be drawn each time unless I changed the names to simple words such as "Inlet1" and "Outlet1". I recommend future teams to further investigate to find out the source of this error. Another error that I discovered was with the "mirror" function embedded in the FlexCylinderF, which was generating a mirror image of the tubing at its correct position while keeping the one originally drawn. The "mirror" function was fixed so that the tubing could be reversed to the correct direction after it was drawn. I also noticed that there was an discrepancy in the inner and outer tube curvatures of the tubing, but future teams would need to discover whether this was due to errors in the calculation of points of parabola or mirroring of the image.
Lever arm modification
The CDC team laster semester started to work on the design of a single lever, and we would like to reflect the changes in the CDC drawings. I asked the CDC team this semester to explain to us their design and provide us the design drawings. Since there will be four type of levers: double full sized, double half sized, single full sized and single half sized, in order to accommodate the demand of the plant, I think the best way to incorporate the changes is to create a function that can help easily switch among the four types of design. Lever arm modification
Fall '13 Contributions
Chlorinator packaging for India
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