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ASTM Selected Technical Papers
Liquid Particle Size Measurement Techniques: 2nd Volume
By
ED Hirleman
ED Hirleman
1
Arizona State University
,
Tempe, AZ
;
symposium chairman and editor
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WD Bachalo
WD Bachalo
editor
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PG Felton
PG Felton
editor
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ISBN-10:
0-8031-1459-1
ISBN:
978-0-8031-1459-3
No. of Pages:
266
Publisher:
ASTM International
Publication date:
1990

The flow through pneumatic two-fluid nozzles was investigated to determine the effect of nitrogen gas mass-velocity on the Sauter mean diameter of water sprays produced by the breakup of small diameter liquid-jets in high-velocity gas streams. Tests were conducted primarily in the aerodynamic-stripping regime of liquid-jet atomization. It was found that the loss of droplets as a result of vaporization had a marked effect on drop-size measurements. A scattered-light scanner was used to measure Sauter mean diameters, with diameters as small as 5 μm, which were inversely proportional to the nitrogen gas mass-velocity raised to the 1.33 power. The exponent 1.33 is the same as that predicted by atomization theory for liquid-jet breakup in high-velocity gas streams.

1.
Ingebo
,
R. D.
, “
Experimental and Theoretical Effects of Nitrogen Gas Flowrate on Liquid Jet Atomization
,”
Journal of Propulsion and Power
, Vol.
4
, No.
5
, Sept.–Oct. 1988, pp. 406–411.
2.
Adelberg
,
M.
, “
Mean Drop Size Resulting from the Injection of a Liquid Jet Into a High-Speed, Gas Stream
,”
AIAA Journal
 0001-1452, Vol.
6
, No.
6
,
06
1968
, pp. 1143–1147.
3.
Swithenbank
,
J.
,
Beer
,
J. M.
,
Taylor
,
D. S.
,
Abbot
,
D.
, and
McCreath
,
G. C.
, “
A Laser Diagnostic Technique for the Measurement of Droplet and Particle Size Distribution
,” in
Experimental Diagnostics in Gas Phase Combustion Systems
,
Zinn
B. T.
, Ed.,
Progress in Astronautics and Aeronautics
, Vol.
53
, p. 421,
American Institute of Aeronautics & Astronautics
,
1977
.
4.
Buchele
,
D. R.
, “
Particle Sizing By Weighted Measurements of Scattered Light
,” NASA TM-100968,
11
1988
.
5.
Felton
,
P. G.
,
Hamidi
,
A. A.
, and
Aigal
,
A. K.
, “
Measurement of Dropsize Distribution in Dense Sprays By Laser Diffraction
,”
Proceedings
, 3rd International Conference on Liquid Atomisation and Spray Systems in ICLASS-85, Vol.
2
,
Eisenklam
P.
and
Yule
A.
, Eds.,
Institute of Energy
,
London
,
1985
, pp. IVA/4/1–IVA/4/11.
6.
Mugele
,
R. A.
and
Evans
,
H. D.
, “
Droplet Size Distribution in Sprays
,”
Industrial and Engineering Chemistry
 0019-7866, Vol.
43
, No.
6
,
06
1951
, pp. 1317–1324.
7.
Weiss
,
M. A.
and
Worsham
,
C. H.
, “
Atomization in High Velocity Airstreams
,”
American Rocket Society Journal
, Vol.
29
, No.
4
,
04
1959
, pp. 252–259.
8.
Wolfe
,
H. E.
and
Andersen
,
W. H.
, in
Proceedings of the 5th International Shock Tube Symposium
,
Slawsky
Z. I.
,
Moulton
,
J. F.
 Jr.
, and
Filler
W. S.
, Eds.,
Naval Ordnance Laboratory
,
White Oak, MD
,
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, pp. 1145–1169. (Avail. NTIS, AD-638011.)
9.
Kim
,
K. Y.
and
Marshall
,
W. R.
, Jr.
, “
Drop Size Distributions from Pneumatic Atomizers
,”
AIChE Journal
 0001-1541, Vol.
17
, No.
3
,
05
1971
, pp. 575–584.
10.
Nukiyama
,
S.
and
Tanasawa
,
Y.
, “
Experiments on the Atomization of Liquids by Means of an Air Stream, Parts 111-IV
,”
Transactions of the Society of Mechanical Engineers, Japan
, Vol.
5
, No.
18
,
02
1939
, pp. 63–75.
11.
Lorenzetto
,
G. E.
and
Lefebvre
,
A. J.
, “
Measurements of Drop Size on a Plain-Jet Airblast Atomizer
,”
AIAA Journal
 0001-1452, Vol.
15
, No.
7
,
07
1977
, pp. 1006–1010.
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