7th ILASS-Americas 1994 in Bellevue, WA


Recent Conference Papers

Program - Wednesday, June 1
Invited Presentation: Spray Forming Materials: Directions for the Future
I. E. Anderson, Ames Laboratory, U. S. Department of Energy

Session I: Coatings and Materials Processing
Chair: E. J. Lavernia, University of California, Irvine
Co-Chair: C. Lipp, Dow Chemical Company


Centrifugal Atomization of Beryllium and Beryllium Alloy Powders
P. W. Stanek, R. G. Castro, and L. A. Jacobson, Los Alamos National Laboratory

Role of Atomization in Spray Forming
D. D. León, ALCOA

Manipulation of Precisely Controlled Droplet Streams with Application to Materials Synthesis
M. Orme, University of California at Irvine

Fluid/Thermal Considerations of Gas-Atomized Spray-Deposition (GASD)
T. C. Peng, TCP International, and J-G. Zhang, The Iron and Steel Research Institute

The Influence of Air Supply Pressure on Paint Transfer
J. E. McCarthy, Purdue University, and D. W. Senser, University of Wyoming

A Comparison Between the Structure of Supercritical Fluid and Conventional Air Paint Sprays
D. W. Senser, Univ. of Wyoming, J. C. Colwell, Purdue Univ., and K. A. Nielsen, Union Carbide Chemicals and Plastics

Session II: Atomization and Spray Modeling
Chair: J. Bellan Jet Propulsion Laboratory
Co-Chair: R. D. Reitz, University of Wisconsin-Madison
Stability Analysis of Atomization
X. Li, University of Victoria

Heterogeneous Ignition of a Simulated Shear Layer at the Edge of a Spray
J. Bellan and K. Harstad, Jet Propulsion Laboratory

Satellite Size Control in Liquid Jets Using Modulated Amplitude Disturbances
H. Huynh, F. Mashayek, and N. Ashgriz, State University of New York at Buffalo

A Boundary Element Method for Liquid Jet Atomization Processes
J. H. Hilbing and S. D. Heister, Purdue University

Thermocapillary Instability of Liquid Jets
F. Mashayek and N. Ashgriz, State University of New York at Buffalo

Nonlinear Modeling of Jet Atomization in the Wind-Induced Regime
C. A. Spangler and S. D. Heister, Purdue University

Session III: Performance of Spray Systems
Chair: D. G. Talley, USAF Phillips Laboratory
Co-Chair: P. E. Sojka, Purdue University

Experimental Study of the Non-Reacting Two-Phase Flow Produced by an Aero-Engine Combustor Dome Operating at Elevated Temperatures and Pressures
V. G. McDonell, J. E. Seay, and G. S. Samuelsen, University of California at Irvine

Characteristics of Air-Assist and Swirl Atomizers for Fire Suppression Systems
B. Z. Dlugogorski, J. R. Mawhinney, and K. A. Jonasson, National Research Council, Canada

Evaluation of JTAGG Fuel Nozzle Designs on the Improvement of Temerature Pattern Factor
C-P. Mao and B. Shoemaker, Delavan Gas Turbine Products Division of Coltec Industries, Inc., E. Coleman, Allied- Signal Engines, and C. Van Erp, Naval Air Weapons Center

The Influence of Asymmetric Aerodynamic Flows on Liquid Film Breakup and Droplet Dispersion in a Gas-Turbine Combustor Dome
H. Y. Wang, V. G. McDonell, G. S. Samuelsen, and E. C. Fernandez, University of California at Irvine

Program - Thursday, June 2


Invited Presentation: Agricultural Sprays: Demands and Accomplishments in Precision Spraying
K. Giles, University of California, Davis

Session IV: Agricultural Sprays
Chair: P. G. Phillips, Beecomist Systems, Inc.
Co-Chair: A. J. Hewitt, Stewart Agricultural Research Service, Inc.
Determining the Most Effective Aerosol Droplet Size for Mosquito Control
P. G. Phillips, Beecomist Systems, Inc.

Atomization of Polymeric Fluids: Shear and Extensional Viscosity Contributions to Breakup
C. Hermansky, Dupont Agricultural Products, B. Young, SpraySearch Datatech, and R. Dexter, American Cyanamid Co.

Observation of Spray Atomization with Polymeric Additives
N. B. Akesson and W. E. Steinke, University of California, Davis

Approaches to Measuring Atomization Droplet Size Spectra Using Laser Diffraction Particle Size Analyzers in Wind Tunnels
A. J. Hewitt, R. Sanderson, E. W. Huddleston, and J. B. Ross, New Mexico State University

Atomization and Relative Drift Potential Characteristics as Influenced by Drift Reduction Adjuvants
W. E. Bagley, Wilbur-Ellis Co., A. J. Hewitt, R. Sanderson, E. W. Huddleston, and J. B. Ross, New Mexico State University

Session V: Instrumentation and Measurement Techniques
Chair: W. D. Bachalo, Aerometrics, Inc.
Co-Chair: D. W. Senser, University of Wyoming


Statistical Quality of Spray Measurements: Analysis in the Context of Ideal Sprays
C. F. Edwards and K. D. Marx, Sandia National Laboratories

Effect of Probe Volume Correction on Particle Sizing Using a Single Particle Counter
J. Y. Zhu, Institute of Paper Science and Technology

Classification of Steadiness in Sprays Using Ideal Spray Concepts
C. F. Edwards and K. D. Marx, Sandia National Laboratories

Visualizing Laser Sheet Illumination of Sprays with Restricted Optical Access
A.T.S. Thamban and D. G. Talley, USAF Phillips Laboratory, V. G. McDonell and S. W. Lee, University at California at Irvine

Thermography of Atomized Droplets in Flight Using Thermochromic Liquid Crystals
S. H. Hu, R. F. Richards, and C. D. Richards, Washington State University

Imaging Non-Spherical Particles
M. Hassani and C. Borgnakke, University of Michigan - Ann Arbor, and D. G. Talley, USAF Phillips Laboratory

Program - Friday, June 3
Invited Presentation: Challenges of the Industrial Spray Coating Equipment Supplies
K. J. Coeling, Nordson Corporation



Session VI: Atomization Measurements
Chair: G. A. Ruff, Drexel University
Co-Chair: C-P. Mao, Delavan, Inc.


Rayleigh Breakup of Turbulent Columns
A. Mansour and N. Chigier, Carnegie Mellon University

Secondary Atomization by a Shock Tube Simulated Combustion Instability Wave
T. W. Eastes and G. S. Samuelsen, University of California at Irvine

An Experimental Study on the Effects of Turbulence Length and Time Scales on Air Assist Liquid Breakup
U. Shavit and N. Chigier, Carnegie Mellon University

Atomization of Cross Injecting Sprays into Convective Airstream
K. D. Kihm and G. M. Lyn, Texas A&M University

Cryogenic Spray Vaporization in High-Velocity Gasflow
R. D. Ingebo, NASA Lewis Research Center

Effervescent Atomization: Limitations Due to Viscoelasticity
S. C. Geckler and P. E. Sojka, Purdue University

Entrainment by Effervescent Sprays at Low Mass Flow Rates
S. G. Bush and P. E. Sojka, Purdue University

Session VII: Reciprocating Engine Sprays
Chair: G. J. Smallwood, National Research Council, Canada
Co-Chair: J. A. Drallmeier, University of Missouri-Rolla


Fuel and Air Mixing Studies for Spark Ignition Engine Cold Start Applications
L. M. Nemecek, R. M. Wagner, and J. A. Drallmeier, University of Missouri - Rolla

Experimental and Numerical Study of Compound Nozzle Injectors - The Importance of Liquid Disturbance on Spray Modelings
M.-C. Lai, A. A. Amer, and T.-H. Chue, Wayne State University, G. Chen, J.-L. Chen, and M. Wells, Ford Motor Company

Transmission and Tomographic Analysis of the Dense Core Region in Transient Diesel Sprays
G. J. Smallwood, L. , and D. R. Snelling, National Research Council Canada

Droplet Size Distributions in Diesel Sprays
Y-Y. Gong and Z.-J. Peng, Tianjin University, and X. Li, University of Victoria

The Effect of Fuel Injection Parameters on Diesel Emissions
M. A. Patterson and R. D. Reitz, University of Wisconsin - Madison

Focussed-Image Holography as a Dense Spray Diagnostic
P. J. Santangelo and P. E. Sojka, Purdue University

Visualization of Spray Dynamics in a Pilot Spray Dryer by Laser Initiated Fluorescence
S. S. Moor and C. J. King, University of California, Berkeley

Elongational Properties of Spray Drift Control Adjuvants and Their Effect on Flow, Pressure Drop, and Atomization Through Spray Nozzles
R. W. Dexter, American Cyanamid Company

A Comparison of the NAWC-AD, Trenton FSSP and an Aerometrics' PDPA Icing Probe
M. Seeman, A. Michon, and D. Clark, Naval Air Warfare Center


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