4th ILASS-Americas 1990 in Hartford, CT


Recent Conference Papers

     
Program - Monday May 21, 1990

7:00-8:00
Registration, Continental Breakfast
7:00-8:00
Posters and Exhibits
8:00
Opening of Conference - Harold Simmons
8:15
Invited Presentation
Future Transport Propulsion Trends
Hines, R. Manager Advanced Engine. Programs, Pratt and Whitney Aircraft.
East Hartford, CT.

Session I: Instrumentation
Session Chair - Lee Dodge

8:45
Measurement of the Temperature Field Inside a Falling Droplet Winter, M. United Technologies Research Center, Hartford, CT.

Towards Equivalence Ratio Imaging: Lifetime Imaging as a First Step Ni, T.Q. and Melton, L.A. University of Texas, Richardson, TX.

Multi-Dimensional Phase-Doppler Anemometry With Fibre Optics and Covariance Signal Processor Arik, E.B Dantec Electronics, Mahwah, NJ.

10:15 Break
Particle Sizing Errors Associated with the Fraunhofer Diffraction Assumption in the Anomalous Diffraction Regime Kenney, S.B. and Hirleman, E.D. Arizona State University, Temps. AZ.

Session I-Posters
Response Characteristics and Calibration Results for the Aerometrics Phase Doppler Analyzer Parsons, K.D., Bruner, A., Hirleman, E.D. and Peck, R.E. Arizona State University. Temps, AZ.

Combusting Spray Studies Using Phase Doppler and CARS Instruments Hancock, R.D. Wright-Patterson AFB, OH., Switzer, G.L. System Research Laboratories, Dayton, OH., Jackson, T.A. and Shouse, D.T. Wright-Patterson AFB, OH.

Session II: Modeling
Session Chair - Josette Bellan

11:00
Progress in Numerical Modeling of Primary Atomization of Liquid Jets Przekwas, A.J., Chuech, S.G. CFD Research Corporation, Huntsville, AL. and Gross, K.W. NASA Marshall Space Flight Center AL

Simulation of the Flow Through Single Orifice Nozzles Tennant, P.A. Hoover, C.L., Senser, D.W. and Lefebvre, A.H. Perdue University, West Lafayette, IN

12:00 Lunch
1:00
Posters and Exhibits & ILASS Board Meeting
2:00
Presentation Session II - Modeling
Atomization Mechanism of Fuel Injection
Huh, K.Y. University of Wisconsin, Madison, WI. and Gosman, A.D. Imperial College, London, England.

Assessment of a Stochastic Simulation of Drop Collisions in a Dense Spray using Deterministic Calculations MacInnes, J.M. and Bracco, F.V., Princeton University, Princeton, N.J.

Mechanism of Atomization of Liquid Sheets Lian, Z.W., Creighton, B. and Lin, S.P. Clarkson University, Potsdam, NY.

3:20 Break

Presentation Session II - Modeling (cont.)
Session Chair - Dan Butler

Numerical Investigation of Spray Phenomena in a Swirl-Stabilized Kerosene Spray Flame Marx, K.D. and Edwards, C.F. Sandia National Labs., Livermore, CA.

Fuel Spray Evaporation rates: Comparison of Experiment and CFD Simulation Dodge, L.G. and Schwalb, J.A. Southwest Research Institute, San Antonio, TX.

Comparison Between Theory and Experiments for Sprays from a Pressure Atomizer. Li, A. Waterloo University, Tankin, R.S. Northwestern University, Evanston, IL., Jackson, T. Switzer, G. and Stutrud, J. Wright Patterson AFB.

Session II - Posters
Analogy Between Atomization and Evaporation Evers, L.W. Michigan Technological University, Houghton, MI.

Monosized Drop Formation by Vibrating Liquid-Liquid Jet Das, T.K. Seattle, WA.

5:00-6:00 Technical Committee Meetings
7:00 tour PWA and UTRC
Program - Tuesday, May 22, 1990
Session III: Nozzle Characterization
Session Chair - Gil Kraemer

8:00 Invited Presentation
Airforce Research Challenges in Liquid Fuel Injection Jackson, T.A. United States Airforce, Wright Patterson AFB, OH.

8:30 Presentation Session III NOZZLE CHARACTERIZATION
Spray Characterization of Rocket Injectors Hautman, D. United Technologies Research, Hartford, CT.

Geometrical Effects on Spray Cone Angle for Plain-Orifice Atomizers Ohm, T.R., Sensor, D.W. and Lefebvre, A.H. Purdue University, West Lafayette, IN

Effervescent Atomization of non-Newtonian Single Phase Fluids Buckner, H.N., Sojka, P.E. and Lefebvre, A.H. Purdue University. West Lafayette. IN

10:00 Break
10:15 Presentation Session III (Cent.)

NOZZLE CHARACTERIZATION
Session Chair - Tom Bassett

An Analysis of Film Thickness Inside Airblast Atomizers Mao, C.-P. Delavan, West Das Moines, IA

Effects of inner Atomization Air on the Liquid Film Thickness of a Gas Turbine Fuel Nozzle Sun, F.T.-Y. and Melvin, J. Parker Hannifin, Cleveland, OH.

Twin-Fluid Atomizer Droplet Size and Axial Velocity Variations with Ambient Pressure Drennan, S.A., Sowa, W.A. and Samuelsen, G.S. University of California, Irvine, CA.

Breakup of Coaxial Liquid Jets Farago, Z. German Aerospace Research Establishment, Federal Republic of Germany, and Chigier, N. Carnegie MeNon University, Pittsburgh. PA.

Session III-Posters
Geometrical Effects on Nozzle Discharge Coefficients Ohm, T.R., Sensor, D.W. and Lefebvre, A.H. Purdue University, West Lafayette, IN

Operational Characteristics of Conventional Pneumatic Paint Atomizers Goris. N.H., Senser, D.W. and Lefebvre, A.H. Purdue University, West Lafayette, IN.

Acoustically Driven Liquid Sheet Breakup Dressier, J.L. Fluid Jet Associates, Spring Valley, OH. and Jackson, T.A., Wright Patterson AFB, OH.

A Photographic Study of Flash-Boiling Atomization Reitz, R.D., University of Wisconsin, Madison, WI.

12:00 Lunch
1:00 Posters and Exhibits
1:30 ILASS Business Meeting
2:00 Panel Discussion
"Is this Research we are doing Worthwhile ?" Faeth, G. The University of Michigan, Kennedy, J. United Technologies Corp., Tishkoff, J. United States Air Force, Simmons, H. (Moderator) Parker Hannifin Corp.

Presentation Session IV - OTHER APPLICATIONS
Session Chair - Chris Edwards

Comparison of Aerial Spray Model Predictions with Field Measurements Rafferty, J.E., Bowers, J.F. US. Army Dugway Proving Ground UT, Teske, M.E. Continuum Dynamics, Princeton. NJ. and Barry, J.W. USDA Forest Service, Davis. CA. 3:15 Break

Rain Ingestion in a Gas Turbine Engine Kennedy, J.B. United Technologies Research Center, and Roberts, J. Pratt & Whitney Aircraft, East Hartford, CT.

Duct Humidification with Twin-Fluid Atomizers Brown, C.T., Sowa, W.A. and Samuelsen, G.S. University of California, Irvine, CA.

Parametric Study of Electrostatically Charged Sprays Bamhart, J.S., Durbin, T.E., Peters, J.E. University of Illinois, Urbana- Champaign. IL.and Leong, K.H. Argonne National Laboratory, IL.

Session IV -Posters
A New Ultrasonic Spray System for Liquid Atomization Erickson, D. D., Erickson, J. J. and Erickson, S.J. Ultrasonic Systems Engineering, Kingston, NY.

The Evaluation of Swath Width for Gypsy Moth Suppression Teske, M. Continuum Dynamics, Princeton, NJ., Twardus, D.B. USDA Forest Service, Morgantown. WV. and Ekblad, R.B. USDA Forest Service, Missoula, MT.

Simulating Rain Ingestion in a Gas Turbine Engine Kennedy, J.B. United Technologies Research Center, and Roberts, J. Pratt & Whitney Aircraft, East Hartford, CT.

Parametric Investigation of Metal Powder Atomization Using Laser Diffraction Presser, C., Huzarewicz, S., Biancaniello, F., Ridder, S.D. and Semerjian, H.G. National Institutes of Standards and Technology, Gaithersburg, MD.

Experimental Studies of Diesel Oil Spray and Microexplosion of Water- in-Oil Emulsions by Using Optical imaging Techniques Ma, Y., Xin, J. Zhejiang University, Zhejiang. P.R. China and Choi, K.J. University of Illinois. Chicago, IL. 5:00 Posters and Exhibits 6:00 ILASS Board Meeting (Cont.)
Program - Wednesday, May 23, 1990
Presentation Session V - SPRAY BEHAVIOR
Session Chair - Julian Tishkoff

Temporal Structure of Two-dimensional Sprays Via Laser Attenuation Measurements Lazaro, B.J. United Technologies Research, Hartford, CT. and Lasheras, J.C. University of Southern California, Los Angeles, CA.

Phase Doppler Anemometer Measurements of a Swirl-Stabilized Kerosene Spray Flame Edwards, C.F. Sandia National Labs, Livermore, CA., Rudoff, R.C. and Bachalo, W.D. Aerometrics Inc., Sunnyvale, CA.

Visualization of a Pulsed Hollow Cone Spray in Stagnant and Simulated 2-Stroke Engine Environments Talley, D.G., Lin, Y.C. and Morris, M. University of Michigan, Ann Arbor. MI.

Spray Structure of an Airless Paint Atomizer Pakko, J.D., Sensor, D.W. and Lefebvre, A.H. Purdue University, West Lafayette, IN.

10:00 Break
10:15 Presentation Session V - (Cent.)

SPRAY BEHAVIOR
Session Chair - John Gaag

Experimental Investigation of Extraordinary Sheet Atomization
Rahman, A.M. and Ruiz, F. Illinois Institute of Technology, Chicago, IL.

Characteristics of a Variable Rate Shape High Pressure Injection System Bower, G.R. and Foster, D.E. University of Wisconsin, Madison, WI.

Experimental Investigation of Droplet/Gas Phase behavior in a Non- Swirling Air Assisted Spray McDonell, V.G., Adachi, M. and Samuelsen, G.S. University of California, Irvine. CA.

Study of Droplet Transport in Alcohol-Based Spray Flames using Phase/Doppler Interferometry Presser, C. National Institutes of Standards and Technology, Gaithersburg, MD., Gupta, A.K. University of Maryland, College Park, MD., Avedisian, C.T. Cornell University, Ithaca, NY. and Semerjian, H.G. National Institutes of Standards and Technology, Gaithersburg, MD.

12:00 Close of Conference