Janak Shah's Individual Contribution Page

Spring 2017 Contributions

This semester I will be working on the Filter Constrictions Subteam. The goal of this subteam is to capture a video of particles moving through filter constrictions. The hypothesis being tested is that particles are captured preferentially at flow restrictions in sand filters. "The flow restrictions cause the streamlines to contract and thus particles that are near the sand (the edge of a pore) move closer to the edge at the contraction. This results in accelerated deposition of particles at contractions." The team will design a flow cell and flocculator with a 50 cm headloss and 1 min residence time. Different methods of capturing a video will be tested to observe what really occurs at constrictions. 

Fall 2016 Contributions 

This semester I will be working on the Milli-Sedimentation Subteam. The goal of this subteam is to design a small-scale sedimentation apparatus using coffee straws and a 1 inch PVC pipe. The apparatus will function for both sedimentation and filtration. The viablity of this apparatus will be tested by the ability to clean it as well as the different tests. 

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