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Award Abstract #1229506

MRI: Development of Spatially-resolved spray scanning system (SSSS)

Div Of Chem, Bioeng, Env, & Transp Sys
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Initial Amendment Date: August 25, 2012
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Latest Amendment Date: August 25, 2012
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Award Number: 1229506
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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: September 1, 2012
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End Date: December 31, 2015 (Estimated)
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Awarded Amount to Date: $376,892.00
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Investigator(s): Andre Marshall awmarsh@umd.edu (Principal Investigator)
Sheryl Ehrman (Co-Principal Investigator)
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Sponsor: University of Maryland College Park
3112 LEE BLDG 7809 Regents Drive
COLLEGE PARK, MD 20742-5141 (301)405-6269
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Program Reference Code(s): 011E, 012E
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Program Element Code(s): 1189


Sprays are used in a variety of technology intensive industries from microelectronic manufacturing to fire-protection applications. Because of the complexity of the physical processes associated with atomizing a continuous stream of fluid into a spray and the difficulty associated with characterizing atomization details, spray formation and its relationship to injection conditions is poorly understood. As a result, spray related development is inhibited by analytical concessions, which rely primarily on "cut and try" and empirical approaches. However, as computer based design tools become increasingly popular, detailed atomization models will be needed for computer-aided development, analysis, and evaluation of spray devices and systems. It is essential to precisely characterize engineered sprays in order to develop models to describe their behavior and to leverage this understanding for advancements in spray technology. Building on existing instrumentation and laboratory infrastructure, this team seeks to develop a major instrument capable of characterizing large-scale sprays (e.g. sprays used in fire suppression applications) while also providing the capability to interrogate small-scale sprays (e.g. sprays used in microelectronic applications). The Spatially-resolved Spray Scanning System (SSSS) expands on ideas from the PI's NSF PECASE research and a recent UM invention (PP: 61/548530) that allows for scanning the near-field of large-scale fire suppression sprays.


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