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Liquid fuel spray processes in high-pressure gas flowAtomization of single liquid jets injected downstream in high pressure and high velocity airflow was investigated to determine the effect of airstream pressure on mean drop size as measured with a scanning radiometer. For aerodynamic - wave breakup of liquid jets, the ratio of orifice diameter D sub o to measured mean drop diameter D sub m which is assumed equal to D sub 32 or Sauter mean diameter, was correlated with the product of the Weber and Reynolds numbers WeRe and the dimensionless group G1/square root of c, where G is the gravitational acceleration, 1 the mean free molecular path, and square root of C the root mean square velocity, as follows; D sub o/D sub 32 = 1.2 (WeRe) to the 0.4 (G1/square root of c) to the 0.15 for values of WeRe 1 million and an airstream pressure range of 0.10 to 2.10 MPa.
Document ID
19850013260
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Ingebo, R. D. (NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
September 5, 2013
Publication Date
January 1, 1985
Subject Category
Fluid Mechanics And Heat Transfer
Report/Patent Number
E-2463
NAS 1.15:86944
NASA-TM-86944
Meeting Information
Meeting: Intern. Conf. on Liquid Atomization and Spray Systems
Location: London
Start Date: July 8, 1985
End Date: July 10, 1985
Accession Number
85N21570
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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