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Centrifugal sieve segregation in micro gravity

Fruit, John Terrell
; 
Martinez, Myles Kristian Alexander
; 
Dreyer, Christopher B.
; 
Walton, Otis
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2012-08
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REMRSEC
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2012 NSF Research Experiences for Undergraduates posters and presentations
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Centrifugal sieve segregation in micro gravity
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https://hdl.handle.net/11124/375
 http://dx.doi.org/10.25676/11124/375
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Abstract
Sieving in space could be crucial to applications such as yielding smaller material for construction and extraction. Thus, improvements were implemented to a centrifugal sieve which included: Labview operating VI for motor control; power measurement via current; screen replacement and maintenance; Shaker subVI ('Jolt command'). In addition, the lunar simulant JSC-1a was tested through the system to analyze the sieve's efficiency with 100 micron screen. This can also play a role in eliminating foul material that could otherwise clog systems. The following data proves that sieving at lower speeds may prove more efficient based on the yields obtained from experimentation and the current data.
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