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GAS/LIQUID LEVEL AND LOCATION
DETERMINATION
Heidi ElliottEl Campo High School
El Campo ISD
POWER SET Sponsor
Cable KurwitzDepartment of Nuclear Engineering
Nuclear Power Institute
Texas A&M University
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Dr. Cable Kurwitz
Department of Nuclear Engineering Office: 3rd floor of Zachry (303N)
Interphase Transport Phenomena Laboratory – Zachry BasementGraduate and Undergraduate students
○ Jake PetersonUtilize multiple facilities and methods
Space Engineering Research Center (SERC) – University Services Building
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SERC Mission
To raise the Technology Readiness Level (TRL) of important Space Technologies by assisting Business, Government, and Education with Research and Development Projects
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4
Og Gas/Fluid Inventory Determination
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Og Gas/Fluid Inventory Determination
Accurate inventory determination is challenging due to a few factors:Substance orientationSubstance propertiesMeasurement technique
Several RFPs have been granted to develop new technologies to provide better accuracy in 1g and 0g conditions
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What’s The Goal?
Develop a non-intrusive, reliable, simple instrument to accurately determine the inventory levelUse ‘dumb’ sensorsUtilize simple physicsTake advantage of ‘random’ nature of fluid
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Compressed Sensing Process of acquiring and reconstructing
a signal that is supposed to be sparse or compressible.
An undetermined system has more unknowns than equations and generally has an infinite number of solutions.However, if there is a unique sparse solution
to the underdetermined system, then the Compressed Sensing framework allows the recovery of that solution.
Not all underdetermined systems of linear equations have a sparse solution.
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Procedure
Develop MCNP model to stochastically track particles/photons through system and record counts at detector locations
Develop a library of known fill levels and detector responses
Query library with new detector responses to determine fill level utilizing compressed sensing approaches
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More Complex System
An interest in determining fill level and location of liquid in tank in zero gravity
Utilize similar approach to earth-g system but allow liquid to be located anywhere in the tank.
Solve for both fill and location
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Inventory Location
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Engineering Design Process
Courtesy of Project Lead The Way
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What’s My Role?
Research prototype design possibilities
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What’s My Role? Design experiment
Perform calculations involving materials
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What’s My Role?
Designing experiment prototypeGenerate prototype conceptsPerform design calculationsAssemble prototype
Time Permitting:Test and EvaluateRefine
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Future Implications
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Future Implications
Other systems involving fluids and the need for inventory sensing and location determination
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Summary
A new approach to inventory fill determination has been demonstrated utilizing a unique, simple, non-intrusive detector arrangement
Approach may potentially be capable of accurately determining zero-g liquid inventory and liquid location
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Classroom Application
Pre-AP Algebra II Linear programming
Students will be expected to formulate systems of equations and inequalities from this particular situation, use a variety of methods to solve, and then analyze the solution in terms of the situation.
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Acknowledgements
TAMU E3 Program Nuclear Power Institute National Science Foundation
Dr. Cable Kurwitz – PI Jake Peterson – MS Student Dr. Igor Carron – Collaborator from
France
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Thank you!