Linear Flow Orifice Meter Challenges for Spring 2009
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Subteam Leader:
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Unknown
Introduction for New Members
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- The intial concept paper abstract, introduction, and design. Available here
- The LFOM Accuracy Experimental data, available here - This provides a practical view of the LFOM in operation
- The mathcad code should be thoroughly reviewed, available here
Number of team members needed: 1
The LFOM team is a one person team, with a narrow focus. It may be benefical to combine the LFOM team with the Automated Linear Chemical Doser becasue because interfaces between the two systems wil will be very critical.
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There isn't anyone that I can think of who is especially suited for this team. If Nicole Cici is still on the team next semester it would be logical for her to take over control of the LFOM team. I think a lot of different types of people would be successful with the project.
Important team member skills:
- strong Strong background in Mathcad or at least some aptitude with computer programming
- an understanding Understanding of the fluids concepts would be beneficalbeneficial, through courses such as CEE 4540 or CEE 3310
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- Currently the drill size is based on the diameter that is the best fit for the top hole, it would be interseting to see what the effect is on the error if different rows were used to determine the diameter. The very top hole has a relatively small flow rate based on other rows - there may be a critical row.
- Also the point of failure experiment was conducted and the results were contrary to the expected hypothesis. Instead of the LFOM working to a certain flow rate and then failing the flow rates were linear but with a differnt different slope than the predicted values, information is available on the results page experiment page. The perplexing results may be due to the fact that there we were not witnessing a point of failure, a flow rate at which a LFOM will fail, but a complete failure. If the pipe is sized too small to accomodate the flow rate which the orifice pattern is designed to support then the LFOM will fail for all flow rates. This hypothesis would agree with the results. It would be useful to figure out what drives the effect witnessed with reduced diameter pipingbeneficial in future research to test the LFOM created above with a diameter of 1.5 inches with an orifice pattern designed to handle the maximum flow rate for the pipe, 62.5 L/min. It would also be interesting to apply a flow rate in excess of the 62.5 L/min and watch the system for evidence of failure.
- Thirdly it is important to work on interface between the LFOM and the automated chemical doser.