Linear Orifice Flow Meter Entrance Code Documentation and Drill size Determination

Intro

Research is being done to determine the optimal process for determining the diameter of the orifices on the LOFM. The drill size was previously determined using the assumption of 5 holes in the first row of orifices and then applying that drill size to the rest of the LFOM. the new method will calculate the optimal drill size based on the flow rates through the upper holes, currently all of the upper rows are being evaluated to determine the critical row.

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Currently we are looking at integrating over a height of two centimeters the row spacing starting at the top of the LFOM and working our way down. this to determine the hole diameter that best approximates the row area. This will allow us to make sure that the height is appropriate at the most critical area, the top of the LFOM where normally only 1 hole is needed. By integrating over different heights and comparing the errors associated with each option we will be able to see which row of holes is the most critical (aka causes the least amount of error).

Model Optimization

I am currently working on evaluating the optimal way to determine diameter using a mathcad code. The Entrance Tank Code is available through the SourceForge repository, a storage system. To access the code follow these folders: design repository -> Automated Design -> Design -> EntranceTank

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