9th ILASS-Americas 1996 in San Francisco, CA

Recent Conference Papers

Program - Sunday, May 19
Spray Modeling: Moderator: R. Reitz
Spray Measurements, Moderator: C. Edwards
Program - Monday, May 20
Invited Lecture: Dynamics of Liquid Propellant Injectors
V.G. Bazarov, Moscow State Aviation Institute

Session I. Rocket Sprays
Chairpersons: R. Jensen and J. Dressler

Atomization Study of Swirl Coaxial Rocket Injectors S. A. Rahman, S. Pal, R. J. Santoro, Pennsylvania State University, University Park

Control of Impinging Jet Atomization by Velocity-Modulation J. L. Dressler, Fluid Jet Associates, Dayton

The Characterization of Supercritical Droplet Deformation and Breakup Through a Miscible Fluid Analog C. Mitts, D. Poulikakos, University of Illinois at Chicago, IL, and D. Talley, OLAC Phillips Laboratory, Edwards AFB, CA

Session II. Diagnostics
Chairpersons: C-P Mao, S. Sankar

Measurements of Sprays Using Phase Doppler Instruments: A Study to Establish Formal Operating Procedures C-P. Mao, Delavan Gas Turbine Products Division, Coltec Industries Inc., West Des Moines,

Improving Phase Doppler Measurement Accuracy Using Signal Amplitude as a Validation Criterion S.V. Sankar, D.M. Robart, W.D. Bachalo, Aerometrics Inc., Sunnyvale,

Accounting for Laser Sheet Extinction and Fluorescence Signal Attenuation in Applying PLLIF to Dense Spray Fields D. Talley, Phillips Laboratory, Edwards AFB, CA, and J. Verdieck, Hughes

A Planar Droplet Sizing Technique for Spray Characterization S. V. Sankar, D. M. Robart, W. D. Bachalo, Aerometrics Inc., Sunnyvale, CA

Session III. Spray Dynamics
Chairpersons: P. Sojka and S. Drennan

Droplet and Vapor Transport in a Turbulent Jet J. Ye, C. Richards, Washington State University, Pullman,

Droplet-Vortex Interactions in a Turbulent Jet T. Swanson, C. Richards, Washington State University, Pullman,

Entrainment by Low Air-Liquid Ratio Effervescent Atomizer Produced Sprays J.J. Sutherland, P.E. Sojka, M.W. Plesniak, J.P. Gore, Purdue University, West Lafayette,

Influence of Hardware Alignment on Fuel Distribution from a Practical Gas Turbine Combustor Fuel Injection Assembly V.G. McDonnell, L.A. Arellano, S.W. Lee, G.S. Samuelsen, University of California, Irvine,

Spray Trajectories of Liquid Jets in Subsonic Crossflows P-K. Wu, K.A. Kirkendall, R.P. Fuller, Taitech Inc., Beavercreek, OH, and M.R. Gruber, A.S. Nejad, Wright Laboratory, Wright-Patterson AFB,

Multiple Airblast-Atomized Jets Injected into a Crossflow M.Y. Leong, V.G. McDonell, G.S. Samuelsen, University of California, Irvine,

NOx Reductions from Industrial Residual Oil Spray Flames S.A. Drennan, M.T. Clavelli, K.Y. Ahn, COEN Company Inc., Burlingame,

Program - Tuesday, May 21
Invited Lecture-Effect of Polydisperse Spray Structure on Spray Flame Properties
Yoram Tambour, Princeton University, Princeton,

Session IV. Modeling I
Chairpersons: S. Heister and M. Pindera

Modeling Acoustically Induced Oscillations of Droplets I.F. Murray, S.D. Heister, Purdue University, West Lafayette,

Dancing Bubbles and Drops N. Ashgriz, T. Barbat, State University of New York at Buffalo, Buffalo,

Numerical Modeling of Atomization Process M.Z. Pindera, M.G. Giridharan, CFD Research Corporation, Huntsville,

Breakup Model of Liquid Jet Across a High-Speed Air Stream T. Oda, H. Hiroyasu, University of Hiroshima, Higashi-Hiroshima,

Recent Advances in Nonlinear Modeling of Atomization Processes J.H. Hilbing, S.D. Heister, K.M. Rump, Purdue University, West Lafayette,

Nonlinear Traveling Wave Distortion of a Thin Liquid Sheet C. Nehring, W.A. Sirignano, University of California, Irvine,

Nonlinear Breakup of Liquid Sheets S.A. Jazayeri, X. Li, University of Victoria, Victoria, B.C.,

Session V. Modeling II
Chairpersons: T.D. Bulter and W.A. Sirignano

Cavitating Slot Flow: 2-D Modeling and Experiments S.H. Collicott, Y.Chen, S.D. Heister, Purdue University, West Lafayette, IN

One-Dimensional Analysis of Cavitating Orifices D.P. Schmidt, M.L. Corradini, University of Wisconsin, Madison, WI

Polydispersity Effects in a Cluster of Interacting Drops Evaporating in an Inviscid Vortex J. Bellan, K. Harstad, Jet Propulsion Laboratory, Pasadena,

Large Eddy Simulation of Sprays W. Kollmann, I.M. Kennedy, University of California - Davis, Davis, CA

Session VI. Diesel Sprays
Chairpersons: R. Reitz and D. Harrington

Modeling Diesel Engine NOx and Particulate over a Six-Mode Emissions Cycle J. Xin, D. Montgomery, Z. Han, R. D. Reitz, University of Wisconsin-Madison, Madison, WI

Characterization of Spray Variations from a Multi-hole Nozzle Diesel Injector T.F. Su, C. Warrick, P.V. Farrell, University of Wisconsin-Madison, Madison,

Anomalies in Diesel Injection Spray Characterization C. Hung, J.K. Martin, University of Wisconsin-Madison, Madison,

Characterization and Visualization of Hole-To-Hole Variation and Wall Impingement of Diesel Sprays D.L. Harrington, R.M. Siewert, General Motors R&D Center, Warren, MI, and M-C. Lai, Wayne State University, Detroit, MI

Session VII. Automotive Sprays
Chairpersons: N. Chigier and J. Peters

Fuel Preparation Requirements for Direct-Injected Spark-Ignition Engines L.D. Dodge, Southwest Research Institute, San Antonio,

Interaction of Fuel Spray with Intake Valve and Manifold During Cold Start Conditions L. Markele, A. Mansour, N. Chigier, Carnegie Mellon University, Pittsburgh,

Preliminary Study of Back-Flow Atomization in the Intake Port of Spark Ignition Engines D.E. Whelan, P.L. Kelly-Zion, C.F. Lee, R.P. Lucht, J.E. Peters, R.A. White, University of Illinois at Urbana-Champaign, Urbana,

Spray Targeting and Fuel Dispersion Inside The Intake Port of Gasoline Engines F-Q. Zhao, M-C. Lai, Wayne State University, Detroit, MI, and J-H. Yoo, Hyundai America Technical Center, Ann Arbor,

Influence of Vacuum Injection on Automotive Fuel Spray Atomization and Spray Pattern D.J. Moran, Division of General Motors, Rochester, NY

A Critical Comparison of Dual-Stream Spray Structures for Application to Two-Intake-Valve Gasoline Engines F-Q. Zhao, M-C. Lai, Wayne State University, Detroit, MI, and J-H. Yoo, Hyundai America Technical Center, Ann Arbor,

Spray Characteristics of Direction-Injection Gasoline Engines F-Q. Zhao, M.-C. Lai, Y. Liu, Wayne State University, Detroit, MI., J-H. Yoo, Hyundai America Technical Center, L. Zhang, and Y. Yoshida, ISUZU Advanced Engineering Center

Session VIII. Spray Deposition
Chairpersons: M. Orme and K. Giles

Interactions Between Impacted Metallic Droplets M. Orme, C. Huang, University of California, Irvine, CA

The Effects of the Hartman Cavity on the Performance of the USGA Nozzle Used for Aluminum Spray Forming A. Mansour, N. Chigier, T. I-P. Shih, Carnegie Mellon University, Pittsburgh, PA, and R.L. Kozarek, Aluminum Company of America, Pittsburgh,

Effects of Gas Flow Dynamics on Spray Forming Process M.K. Chyu, H. Ding, Carnegie Mellon University, Pittsburgh, PA, and S.J. Pien, Aluminum Company of America, Alcoa Center, PA

Application of Phase Doppler Interferometery for Characterization of Sprays Produced by a Linear Atomizer Developed for Aluminum Sheet Deposition S.W. Lee, V.G. McDonell, G.S. Samuelsen, Y. Zhou, E.J. Lavernia, University of California, Irvine, CA, and R. L. Kozarek, Aluminum Company of America, Alcoa Center, PA

Spray Droplet Size and Extensional Viscosity of Sheared Polymer Solution R.D. Fox, H. Zhu, D.L. Reichard, R.D. Brazee, USDA - Agricultural Research Service, OARDC, Wooster, OH, and R.W. Dexter, American Cyanamid Company, Princeton, NJ

Spray Dynamics for an Improved Agricultural Spray Nozzle System T. McCracken, K. Jonasson, A. Bennett, Institute for Chemical Process and Environmental Technology, Ottawa, Ontario, Canada, and R. Dean, Spray-Air, Grangeville, ID

Effect of a Pre-orifice on the Performance of Airless Paint Spray Nozzles A.S. Orr, T. Allie, Graco Inc., Minneapolis, MN

Spray Drift Task Force Atomization Droplet Size Spectra Measurements A.J. Hewitt, Stewart Ag. Res. Services Inc., D.L. Valcore, DowElanco, Indianapolis, IN, and J.E. Bryant, Sandoz Agro Inc., Des Plaines, IL

Program - Wednesday, May 22
Invited Lecture: Atomization Challenges Facing the Gas Turbine Fuel Injector Industry Curt Scheuerman, Parker Hannafin Corporation, Gas Turbine Fuel Systems Division, Cleveland, OH

Session IX. Atomization
Chairpersons: V. McDonell and D. Talley

Performance Comparison of Micro-, Macro, Conventionally Machined Simplex Atomizers M. Benjamin, R.J. Harvey, Parker Hannifin Corporation, Cleveland, OH

Optimization of Micromachined Pressure Swirl Atomizers by Response Surface Methodology M. Benjamin, R.J. Harvey, Parker Hannifin Corporation, Cleveland, OH

Independent Control of Liquid Flowrate and Spray Droplet Size from Hydraulic Atomizers D.K. Giles, University of California - Davis, Davis, CA

Effects of the Internal Flow in a Nozzle Hole on the Breakup Processes of a Liquid Jet N. Tamaki, K. Nishida, H. Hiroyasu, M. Shimizu, University of Hiroshima, Kagamiyama, Higashi-Hiroshima, Japan

Ultrasound-Modulated Two-Fluid Atomization S. Tsai, P. Childs, P. Luu, California State University, Long Beach, CA

Effervescent Atomization Using High Supply Pressures R.A. Wade, P.E. Sojka, J.P. Gore, Purdue University, West Lafayette, IN

Drop Size Distribution from Large Orifices M.E.Teske, A.E. Kaufman, Continuum Dynamics, Inc., Princeton, NY, C.E. Polymeropoulos, Rutgers University, Piscataway, NJ

Session X. Spray Characterization
Chairpersons: C. Richards and A. Gomez

The Visualization of Temperature and Flow within a Drop C. Richards, D. Peterson, R.F. Richards, Washington State University, Pullman, WA

Dilute Laminar Spray Diffusion Flames Near the Transition from Group Combustion to Individual Droplet Burning G. Chen, A. Gomez, Yale University, New Haven, CT

Experimental Studies in a Transitional/Turbulent Spray Flame Using Spontaneous Raman Scattering and Phase Doppler Techniques A. Gomez, A.N. Karpetis, Yale University, New Haven, CT

Spray Photographs and Preliminary Spray Mass Flux Distribution Measurements of Pulsed Pressure Atomizer J. Hoffman, J.K. Martin, University of Wisconsin, Madison, WI

Effect of Oxygen in Air on Spray Characteristics in An Air-Assist Atomizer R. Aftel, A.K. Gupta, C. Cook, C. Presser, National Institute of Standards and Technology, Gaithersburg, MD

Quantitative Exciplex Measurements of the Vapor Concentration in Air- Assisted Sprays C.F. Leed, University of Illinois at Urbana-Champaign, Urbana, IL, B.F. Gajeczko, Princeton University, Princeton, NJ

Visualization of Sonic/Supersonic Air Blast Sprays by Alternatively Using Rayleigh and MIE Scattering Techniques K.D. Kihm, T.K. Kim, S.Y. Son, Texas A&M University, College Station, TX

A Source of U.S. and International Spray Standards ASTM Subcommittee E29.04 Liquid Particle Characterization, T.A. Bassett, Bete Fog Nozzle, Inc., Greenfield, MA

Momentum Coupling Effects in a Two-Phase Swirling Jet T.W. Park, Wright- Laboratory, S.K. Aggarwal, University of Illinois at Chicago, and V.R. Katta, Innovative Scientific Solutions

Phase Doppler Anemometer Measurements in Flashing Water Jets S.R. Mulpuru and M. Hogeveen Ungurian, Atomic Energy of Canada Limited, Pinawa, Manitoba, Canada

Discharge Coefficient Measurement of Spray Atomizers Used in the Consumer Products Industry L. Chen and A. Gaynor, Calmar Dispensing Systems, City of Industry, CA

Active Control of Fuel-Air Mixing by Sunchronized Spray Injection K.H. Yu, T.P. Parr and K.C. Schadow, Naval Air Warfare Center, China Lake, CA

Droplet Size and Velocity Measurements in Molten Metal Thermal Sprays T.J. O'Hern and J.E. Brockmann, Sandia National Laboratories, Albuquerque, New Mexico

Pattern Measurements in Fan Spray Atomizers with High Viscosity Fluids S.G. Bush and D.I. Collias, Procter and Gamble Company, Cincinnati, OH

Spray Characteristics Influential to Engine Idle Performance, B.E. Holthaus R.M. Wagner and J.A. Drallmeier, University of Missouri-Rolla, Rolla, Missouri

Momentum Transport from Non-Evaporating Spheres in High Turbulent Intensity Flows N. Sankagiri and G.A. Ruff, Drexel University, Philadelphia, Pennsylvania

Gas Efficient Liquid Atomization Film Break-Up Mechanism H.E. Snyder and R.D. Reitz, University of Wisconsin-Madison, Madison, Wisconsin