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Award Abstract #1229247

Acquisition of a High Speed Video Camera System with Microscopic Capabilities for Undergraduate Research and Teaching at the University of St. Thomas

Div Of Chem, Bioeng, Env, & Transp Sys
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Initial Amendment Date: August 13, 2012
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Latest Amendment Date: March 28, 2014
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Award Number: 1229247
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Award Instrument: Standard Grant
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Program Manager: Leon Esterowitz
CBET Div Of Chem, Bioeng, Env, & Transp Sys
ENG Directorate For Engineering
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Start Date: August 15, 2012
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End Date: January 31, 2015 (Estimated)
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Awarded Amount to Date: $116,225.00
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Investigator(s): John Wentz went2252@stthomas.edu (Principal Investigator)
Thomas Shepard (Co-Principal Investigator)
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Sponsor: University of St. Thomas
2115 Summit Avenue
St. Paul, MN 55105-1096 (651)962-6038
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Program Reference Code(s): 005E
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Program Element Code(s): 1189


This proposal requests funds for the purchase of a high-speed imaging system to be housed in the School of Engineering at the University of St. Thomas (UST) in Saint Paul, Minnesota. The system will consist of a Photron Fastcam capable of recording at 675,000 frames per second, associated micro-objective lenses for viewing phenomena on the microscale, laser and high-intensity LED lighting sources, precision manual positioning stages, and computing resources to drive the system and conduct image processing. The School of Engineering will be financially responsible for its maintenance and operation.

High-speed imaging of complex fluid flow is leading to a deeper understanding of the fundamentals in a diverse array of fields such as micro-particle formation and atomization cooling. Dr.?s Wentz and Shepard have been involved with the design and development of similar instrumentation and advanced analysis techniques in their previous work at the University of Illinois and the University of Minnesota. Dr. Shepard?s fundamental research on air injection into a liquid cross-flow has shown that wall shear stress is more strongly correlated to bubble diameter than bulk liquid velocity when generating micro-bubbles which find application in drag reduction, heat transfer enhancement and sprays.


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A. Lunardelli, J. E. Wentz. "Computational Fluid Dynamic Analysis of Eccentric Atomization Spray Cooling Nozzle Designs for Micromachining," Journal of Micro- and Nano-Manufacturing, v.2, 2014, p. 021003. 

D.B. Schwallbach, T.G. Shepard, S. Kane, D. Siglin, T. Harrington, J.P. Abraham. "Effect of impact velocity and mass ratio during vertical sphere water entry," Development and Applications of Oceanic Engineering, v.3, 2014, p. 55. 

T.G Shepard, J.P. Abraham, D.B. Schwalbach, S. Kane, D. Siglin, T. Harrington. "Velocity and density effect on impact force during water entry of sphere," Journal of Geophysics and Remote Sensing, v.3, 2014, p. 1000129. 


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