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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

In the experimental work reported here, laser Doppler anemometry was used for “point” measurements of bivariate distributions of velocity and drop size (LDVS), and diffraction sizemetry (DSM) was used for line-of-sight measurements of drop size in sprays of water. Laser light sheet photographs were used to determine the spray geometry. The measurement positions were chosen so that the mean axes of the horizontal spray planes containing the LDVS measurement points coincided with the axis of the DSM laser beam. In this case, experimental results of DSM and LDVS are comparable, if one takes into account the laws of the conversion of drop flux (LDVS results) into a drop concentration (DSM results). Mean diameters as well as cumulative distributions obtained by LDVS at different measurement locations are compared with corresponding DSM results. Advantages and disadvantages of both methods with respect to spray analysis are discussed.

1.
Wang
,
G.
,
Mao
,
C. P.
,
Dietvorst
,
J.
, and
Chigier
,
N.
, “
An Experimental Investigation of Air-Assist Non Swirl Atomizer Sprays
,”
Atomization and Spray Technology
, Vol.
3
,
1987
, pp. 13–36.
2.
Dodge
,
L. G.
,
Rhodes
,
J.
, and
Reitz
,
R. D.
, “
Drop-Size Measurement Techniques for Sprays: Comparison of Malvern Laser-Diffraction and Aerometrics Phase/Doppler
,”
Applied Optics
 0003-6935, Vol.
26
, No.
11
,
1987
.
3.
Dodge
,
L. G.
and
Schwalb
,
J. A.
, “
Fuel Spray Evolution: Comparison of Experiment and CFD; Simulation of Non-Evaporating Spray
,” ASME 88-GT-27,
American Society of Mechanical Engineers
,
New York
.
4.
Bauckhage
,
K.
,
Fritsching
,
U.
,
Schöne
,
F.
, and
Schulte
,
G.
, “
Size and Velocity Measurements of Spherical Particles in Multiphase Flow Systems
,” presented at the International Congress on Instrumentation in Aerospace Simulation Facilities, 22–25 June 1987,
Williamsburg, VA
.
5.
Young
,
B. W.
and
Bachalo
,
W. D.
, “
The Direct Comparison of Three “in Flight” Droplet Sizing Techniques for Pesticide Spray Research
,” in
Proceedings: International Symposium on Optical Particle Sizing: Theory and Practice
,
France
.
6.
Dannehl
,
M.
and
Schulte
,
G.
, “
Experimental Results of Investigation into the Two-Phase Flow and Air Entrainment in the Spray Cone of an Atomizer Obtained by the Phase-Doppler Method
,”
International Symposium on Application of Laser Anemometry to Fluid Mechanics Proceedings
,
Lisbon
,
1988
.
7.
Schulte
,
G.
, “
Concerning the Problems in Comparing Drop Number Distributions Obtained by Spatial and Temporal Methods
,” in
Proceedings of the International Conference on Liquid Atomization and Spray Systems
, Volume
2
,
1985
.
8.
Leschonski
,
K.
, “
Representation and Evaluation of Particle Size Analysis Data
,”
Particle Characterization
, Vol.
1
,
1984
, pp. 89–95.
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