12th ILASS-Americas 1999 in Indianapolis, IN


Recent Conference Papers

  Program Notes & Special Events
ILASS - Americas would like to thank the following Sponsors for their contribution to the success of this year's conference:
  • Aerometrics/TSI
  • The Procter &Gamble Company,
    Coporate Packaging and Prototype Development
  • Cummins Engine Company, Inc.
  • Coen Company, Inc.
  • The Dow Chemical Company,
    Corporate R&D Group
  • Woodward, Fuel Systems Technology
  • United Technologies Research Center

 

  • Dantec Measurement Systems
  • Inhale Therapeutic Systems
  • Wilbur-Ellis
  • Delavan, Inc.
  • Parker Hannifin
  • Purdue University, College of Engineering
  • Malvern Instruments
  Program - Sunday, May 16th, 1999
 
Panel Discussions
  • Direct Numerical Simulation of Atomization and Spray Phenomena

  • Experimentalists are from Mars, Modelers are from Venus: Towards a More Profitable Relationship

  Monday, May 17th, 1999
 

Invited Presentation: Roy J. Primus, Executive, Combustion Research & Thermodynamic Analysis, Cummins Engine Co. "Anatomy of Heavy Duty Diesel Engine Fuel Sprays"

 

Session I: Diesel and Automotive Sprays I
Chairpersons: D.L. Harrington and M.C. Lai

Fuel Stripping from Intake Valve Surfaces Under Cold Start Conditions, K.R. Koederitz and J.A. Drallmeier, University of Missouri-Rolla, Rolla MO

Spray Cone Angels for a Prototype Effervescent Diesel Injector, S.D. Sovani, J.S. Crofts, P.E. Sojka and J.P. Gore, Maurice J. Zucrow Laboratories, Purdue University, W. Lafayett IN, and W.A. Eckerle, Cummins Engine Company, Columbus IN.

Experimental Study of Droplet Sizes and Velocities in an Impinged Diesel Fuel Spray, S.P. Mislevy and P.V. Farrell, Engine Research Center, University of Wisconsin-Madison, Madison WI

Challenges in Modeling the Liquid Penetration in Diesel Sprays, Scott Post and John Abraham, Maurice J. Zucrow Laboratores, Purdue University, W. Lafayette IN

Session II: Modeling I
Chairpersons: S. Bush and O. Basaran


Three-dimensional Anti-symmetric Distortion of Modulated Semi-infinite Thin Liquid Sheets,
Inchul Kim and William A. Sirignano, University of California, Irvine CA.

Three-dimensional Symmetric Distortion of Modulated Semi-Infinite Thin Liquid Sheets, Inchul Kim and William A. Sirignano, University of California, Irvine, CA.

Validation of an All-Pressure Fluid Drop Model: Heptane Fluid Drops in Nitrogen, K. Harstad and J. Bellan, Jet Propulsion Laboratory, Pasadena CA

Numerical Study of Streching Separation of Binary Droplet Collisions, Mary Saroka and Nasser Ashgriz, State University of New York at Buffalo, Buffalo NY.

Axisymmetric Distortion of Thin Annular Liquid Sheets, Carsten Mehring and William A. Sirignano, University of California, Irvine CA.

A Priori Subgrid Scale Modeling for a Droplet Laden Temporal Mixing Layer, Nora Okong'o and Josette Bellan, Jet Propulsion Laboratory, California Institute of Technology, Pasadena CA.

Session III: Spray Instrumentation and Measurements
Chairpersons: M. Drake and C. Richards
Benchmark Database for Input and Validation of Spray Combustion Models, John F. Widmann, S. Rao Charagundla and Cary Presser, National Institute of Standards and Technology, Faithersburg MD

Determination of Confidence Intervals for Common Spray Statistics, R.M. Wagner and J.A. Drallmeier, University of Missouri-Rolla, Rolla MO

Imaging Techniques for Liquid and Gaseous Fuel Characterization in a Sub-Scale Gas Turbine Combustor, Michell Zaller and Robert C. Anderson, NASA Lewis Research Center, Cleveland OH, and RAndy J. Locke, Dynacs Engineering CO., Inc. Brook Park OH.

Retroactive Index and Temperature Measuremtns of Multi-Size Spray using Rainbow Refractometry, J. Hom, R. Hitron, N. Chigier, Spray Systems Technology Center, Carnegie Mellon University, Pittsburgh, PA

Non-Contact Sensors to Measure Temperature of In-Flight Droplets, S. Escobar, J.E. Gonzalez, and L. Rivera, University of Puerto Rico - Mayaguez, Mayagues PR

Laser-Induced Fluorescence Techniques for Measuring Nitric Oxide in a Heptane-Fueled Lean Direct-Injection Spray Flame, Clayton S. Cooper and Normand M. Laurendeau, Flame Diagnotics Laboratory, Purdue University, West Lafayette IN

Session IV: Industrial Sprays I
Chairpersons: S. Collicott and J. Peters

Measurement of Spray Structure and its Effect on Ignition Enhancement in an Auxiliary Power Unit (APU) Combustor, Chi-Fu Wu and Norman Chigier, Spray Systems Technology Center, Carnegie Mellon University, Pittsburgh, PA

Cutting Fluid Atomization to form Mist in Turning Operations, Kenneth L. Gunter, Yan Yule, Donna J. Michalek, and John W. Sutherland, Michigan Technological University, Houghton MI

A DEsigned Experiment to Characterize and Electromechanically-Driven High-Flow Sprayer, John L. Dressler, Fluid Jet Associates, Dayton OH

A Powerful Criterion for the Selection of Industrial two-Fluid Nozzels, Charles W. Lipp, The Dow Chemical Company, Freeport TX.

Session V: Spray Dynamics
Chairpersons: G. Ruff and N. Ashgriz

An Experimental Study of an Acoustically Forced Spray Flame, Chris Wark and Cill Richards, Washington State University, Pullman WAS

Penetration Heights of Aerated Liquid Fuel Jets in Supersonic Crossflows, K. C. Lin, P.J. Kennedy, K.A. Kirkendall, Taitech Inc., and T.A. Jackson, Air force Research Laboratory, Wright-Patterson AFB OH

Evolution of Single-Phase and Droplet Laden Transitional Mixing Layers, R.S. Miller and J. Bellan, Jet Propulsion Laboratory, Pasadena, CA

Large Eddy Simulation of Dilute Particle-Laden Flows, Joseph C. Oefelein, Stanford University, Stanford CA

Formation and Levitation of Droplet Clusters, S. Liu and G.A. Ruff, Drexel University, Philadelphia PA

Session VI: Non-Newtonian Sprays
Chairpersons: H. Snyder and G. Smallwood

High-Pressure Sheet Atomization of Non-Newtonian Fluids, Thomas J. Hartranft and Gary S. Settles, Penn State University, University Park PA

Formation of drops of non-Newtonian liquids from a capillary, Ozgur E. Yildirim and Osman A. Basaran, Purdue University, W. Lafayette IN

Measurement of Extensional Viscosity and its Effect on Atomization, William Humphrey and Norman Chigier, Spray Systems Technology Center, Carnegie Mellon University, Pittsburgh, PA

Prediction of Drop Size Distributions from First Principles: Non-Newtonian Fluids, E. Babinsky and P. E. Sojka, Maurice J. Zucrow Laboratories, Purdue University, Wl Lafayette IN


Invited Presentation: Fuel Injection Approach for High Performance / Low Emmissions Gas Turbine Combustors, Nader K. Rizk, Group Leader, Rolls Royce-Allison

Tuesday, May 18th, 1999
 
Session VII: Diesel and Automotive Sprays II
Chairpersons: W. Eckerle and B. Chehroudi

Modeling Fuel Spray Processes Using the Kelvin-Helmholtz/Rayleigh-Taylor Hybrid Atomization Model, Jennifer C. Beale, Song-Charng Kong, and Rolf D. Reitz, Engine Research Center, University of Wisconsin-Madison, Madison WI

Modeling the Effects of Injector Orientations and Tumble Ratios on Fuel Stratification and Combustion in a Direct Injection Spark Ignition Engine, L. Fan and R.D. Reitz, Engine Research Center, University of Wisconsin-Madison, Madison WI

Characteristics of Direct Injection Gasoline Spray Wall Impingement at Elevated Temperature Conditions, Ming-Chia Lai, Junesung Park, Xingbin Xie, Kyoung-Su Im, and Hoisan Kim, Department of Mechanical Engineering, Wayne State University, Detroit MI

Common-Rail Diesel Fuel Injection System Dynamics and Spray Characterization, Joon-Sub Han, T.C. Wang, and Ming-Chia, Wayne State University, Detroit MI

 

Session VIII: Atomization I
Chairpersons: R. Jensen and W. Bachalo

Prediction of Critical Reynolds Number of Liquid Jet, Soo-Young No, Keun-Young Ryu, Jung-Hyun Rhim, Sung-Bin Lim, Chungbuk National University, Cheongiu, Korea

Experimental Measurements of Twin-Fluid Spray Structures, Jihua Shen, University of Western Ontario, London, and Xianguo Li, University of Waterloo, Waterloo, Ontario, Canada

Breakup Lengths of Turbulent Liquid Jets in Still Gases, K.A. Sallam, Z. Dai, and G.M. Faeth, University of Michigan, Ann Arbor MI

Cavitation Enhanced Atomization and Low Liquid-Superheat Conditions, Rony Hitron and Norman Chigier, Spray Systems Technology Center, Carnegie Mellon University, Pittsburgh, PA, and Teh C. Ho, Exxon Research and Engineering Co., Annandale NJ

Session IX: Deposition and Electrostatic Sprays
Chairpersons: R. Sellens and S. Londerville

Ligament Formation for an Electrostatic Atomizer Operating in Multi-Jet Mode, J.T. Epperson and P.E. Sojka, Maurice J. Zucrow Laboratories, Purdue University, W. Lafayette IN

Measuring Size Classified Charge to Mass Ratio in a Rotating Bell, Rony Hitron, Soon-Cheol Kweon, William Humphrey, and Norman Chigier, Spray Systems Technology Center, Carnegie Mellon University, Pittsburgh, PA

Dielectric Drop Formation in an Electric Field, Patrick K. Notz and Osman A. Basaran, Purdue University, W. Lafayette IN

Modeling Multi-jet Mode Electrostatic Atomization, S.S. Yoon and S.D. Heister, Purdue University, W. Lafayette, IN

Computation of Multicomponent Film Evolution during Spray Impingement, Yangbing Zeng, and Chia-fon Lee, University of Illinois at Urbana-Champaign, Urbana IL

Statistical Model of the Splashing Products Produced by Liquid Drop Impact on a Solid Surface, Mario F. Trujillo and Chia-fon Lee, University of Illinois at Urbana-Champaign, Urbana IL

Modeling Sequential Impact of Two Molten Droplets on a Solid Surface, M. Pasandideh-Fard, J. Mostaghimi, and S. Chandra, University of Toronto, Toronto, Ontario, Canada

On the Interaction Between Evaporating Sprays and Heated Surface, Chunming Fu and Paul E. Sojka, Purdue University, West Lafayette, IN, and Yudaya R. Siathanu, EnUrga, Inc, West Lafayette IN


Invited Presentation: "Particle/Droplet Interaction in Coherent Flow Structures" Clayton T. Crowe, Professor, School of Mechanical and Materials Engineering, Washington State University

Wednesday, May 19th, 1999
 
  Session X: Modeling II
Chairpersons: P. Hicks and R. Madabhushi

Direct Numerical Simulations of Supercritical Mixing Layers: Heptane-Nitrogen Mixing, R.S. Miller, K.G. Harstad, and J. Bellan, Jet Propulsion Laboratory, Pasadena, CA

Comparison of 1-d and 2-d Models of Drop Formation from Capillaries, Bala Ambravaneswaran, Edward D. Wilkes, & Osman A. Basarank, Purdue University, W. Lafayette IN

Drop Ejection from an Oscillating Rod, Edward D. Wilkes and Osman A. Basaran, Purdue University, W. Lafayette IN

Molecular Dynamics Simulations of the Collisions of Microscopic Droplets, S. Murad, University of Illinois at Chicago, Chicago IL, and C.K. Law, Princeton University, Princeton NJ

Simulation of Flows with a Deformable Interface, B.T. Helenbrook & C.F. Edwards, Stanford University, Stanford, CA

Formulating Dense Large-Eddy Simulations of Multiphase Flows, C.F. Edwards, Stanford University, Stanford CA

Session XI: Atomization II
Chairpersons: M. Zaller and V. McDonnell

Jet Breakup Length Prediction for Miscible Fluid Systems, C.S. Lengsfeld, V. Baroncas, and T.W. Randolph, University of Colorado, Boulder, CO, and J.P. Delplanque, Colorado School of Mines, Golden, CO

Atomization Under Sub-and Supercritical Condition with Applications to Cryogenic Rocket Engines, B. Chehroudi, Raytheon ITSS, and D. Talley, and E. Coy, Air Force Research Laboratory, Edwards AFB, CA

Ligament Breakup and Drop Size Distributions, Mark Olesen, Heike Preusser, and Rick Sellens, Queen's University at Kingston, Kingston, Ontario, Canada

A Spectral Model for the Primary Breakup of Round Turbulent Liquid Jets, Shankar Subramanian, Los Alamos National Laboratory, Los Alamos NM

Session XII: Industrial Sprays II
Chairpersons: C. Lipp and D. Michalek

Effect of Composition on Atomization of Water Borne Automotive Paint, W. Humphrey, S. Kweon, and N. Chigier, Spray Systems Technology Center, Carnegie Mellon University, Pittsburgh, PA

Experimental Study of Single Unlike Doublet Injectors, Vince McDonell, Vu Phi, and Scott Samuelsen, University of California, Irvine, CA Mehrdad Shahnam and Abdi Nejad, Kaiser Marquardt, Van Nuys, CA, and Ronald A. Carson and CArl Guernsey, Jet Propulson Laboratory, Pasadena, CA

A Theoretical Model to Predict Mean Drop Size in Simplex Atomizers, Y. Liao, S.M. Jeng, M.A. Job, University of Cincinnati, Cincinnati OH, and M.A. Benjamin, Parker Hannifin Corporation, Mentor OH

Development of Large Scale Atomizers for Oil-Fired Power Stations, Mario Graziadio, ENEL Ricerca, Pisa, Italy

Recent Development of an Air-Assist Even FAn Nozzle for Cooling a Casting, Quy Duc Bui, Delavan Spray Technologies, Monroe NC

Session XIII: Internal Flows in Atomizers
Chairpersons: M. Benjamin and P. Strakey

Calculation of Transient Cavitation in Nozzle Using the Two Fluid Model, Ales Alabegovic, Advanced Simulation Technologies, Plymouth, MI, and Herwig A. Grogger and Harald Philipp, Advanced Simulation Technologies, Graz, Austria

Experimental Investigation of Cavitation Frequency in a Slot Orifice, Budi W. Chandra and Steven H. Collicott, Purdue University, W. Lafayette IN

Instability of a Viscous Annular Liquid Sheet Subjected to Swirling Air Streams, Y. Liao, S.M. Jeng, M.A. Jog, University of Cincinnati, Cincinnati OH< and M.A. ;Benjamin, Parker Hannifin Corporation, Mentor OH

Numerical Modeling of Cavitating Orifice Flows, R.A. Bunnell, S.D. Heister, and Changhai Xu, Purdue University, W. Lafayette, IN

Internal Flow Study on Pressure-Swirl Atomizer, Zhanhua Ma, Dexin Wang, and San-Mou Jeng, University of Cincinnati, Cincinnati OH, and M.A. Benjamin, Parker Hannifin Corporation, Cleveland

Statistics of Cavitation Length in a 2-D Slot Orifice, Paul K. Sanchez and Steven H. Collicott, Purdue University, W. Lafayette IN

Initial Images of Cavitation Inside High-Pressure Atomizers, Haiyun Li and Steven H. Collicott, Purdue University, W. Lafayette IN

Session XIV: Biological and Agricultural Sprays
Chairpersons: J. Dressler and N. Chigier 

Collapsing Bucket Drop Test Data with a Lagrangian Model, Milton E. Teske and Andrew E. Kaugman, Continuum Dynamics, Inc., Princeton, NJ, and Gregg M. Johnson, Intermountain Fire Sciences Laboratory, Missoula, MT

Measuring Spray Characteristics of Agricultural Orchard Airblast Sprayers, Andrew J. Hewitt, Stewart Agricultural Services, Macon MO, David L. Valcore, Dow AgroSciences, Indianapolis IN, and Brian Young, Food Sciences Australia, Werribee, Victoria, Australia

Atomization Challenges in the Production of Dry Powder for Pulmonary Drug Delivery, Herman Snyder, Carlos Schuler, Tom Brewer, and Robert Platz, Inhale Therapeudic Systems, San Carlos CA

Spray Dynamics in a Model for the Human Throat, Tim Corcoran, Peter Noymet and Norman Chigier, Spray Systems Technology Center, Carnegie Mellon University, Pittsburgh, PA

 

Poster Session: Abstracts

Macroscopic Spray Characterization of DI Gasoline Injectors Using Automatic Image Analysis, David L.S. Hung and Lee E. Markkle, Delphi Energy and Engine Management Systems, Rochester NY

Effect of Particulates on Cavitation in a 2-D Slot Orifice, Jamie Schultz and Steven H. Collicott, Purdue University, W. Lafayette IN

A Comparison of an Image Processing Measurement Technique with a Phase Dopper Measurement Technique for a Water Spray, Jongsoo Jurng and Gyo Woo Lee, Global Environmental Research Center, Korea Institute of Science and Technology, Seoul, Korea

Numberical Simulation of Shaping Air Flow in the Paint Spray Process, Kyoung-Su Im, ZengChang Zhang, Sheng-Tao Yu, and Ming-Chia Lai, Mechanical Engineering Department, Wayne State University, Detroit MI

Direct Calculations of Cavitating Flows by the Method of Space-Time Conservation Element and Solution Element, Jian-Rong Qin, S.T. John Yu, and Ming-Chia Lai, Mechanical Engineering Department, Wayne State University, Detroit MI

Correlating the Diesel Spray Behavior to Nozzle Design, Jianrong Qin, Tomohisa Dan, and Ming-Chia Lai, Mechanical Engineering Department, Wayne State University, Detroit MI

Pressure Atomizer Spray Field Velocity Analysis using Two-Color PIV, I.G. Campbell, G. J. Smallwood, Ö. L. Gülder and D.R. Snelling, National Research Council CAnada, Ottawa, ON, Canada