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Atomizing-gas temperature effect on cryogenic spray dropsizeCorrelating expressions for two-phase flow breakup of liquid nitrogen, LN2, jets in sonic velocity nitrogen gasflows were obtained for an atomizing-gas temperature range of 111 to 442 K. The correlations were based on characteristic dropsize measurements obtained with a scattered-light scanner. The effect of droplet vaporization on the measurements of the volume-median dropsize was calculated by using previously determined heat and momentum transfer expressions for droplets evaporating in high-velocity gasflow. Finally, the dropsize of the originally unvaporized spray was calculated, normalized with respect to jet diameter and correlated with atomizing-gas flowrate and temperature.
Document ID
19930016002
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Ingebo, Robert D. (NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
September 6, 2013
Publication Date
June 1, 1993
Subject Category
Instrumentation And Photography
Report/Patent Number
NAS 1.15:106106
NASA-TM-106106
E-7754
Report Number: NAS 1.15:106106
Report Number: NASA-TM-106106
Report Number: E-7754
Meeting Information
Meeting: Joint Propulsion Conference and Exhibit
Location: Monterey, CA
Country: United States
Start Date: June 28, 1993
End Date: June 30, 1993
Sponsors: ASEE, ASME, SAE, AIAA
Accession Number
93N25191
Funding Number(s)
PROJECT: RTOP 505-62-52
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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