0
TECHNICAL PAPERS

Numerical Simulation of Human Exposure to Aerosols Generated During Compressed Air Spray-Painting in Cross-Flow Ventilated Booths

[+] Author and Article Information
Michael R. Flynn

Department of Environmental Sciences and Engineering, University of North Carolina, Chapel Hill, NC 27599-7400

Eric D. Sills

North Carolina Supercomputing Center, PO Box 12889, RTP, NC 27709-2889

J. Fluids Eng 123(1), 64-70 (Oct 13, 2000) (7 pages) doi:10.1115/1.1340636 History: Received March 22, 2000; Revised October 13, 2000
Copyright © 2001 by ASME
Your Session has timed out. Please sign back in to continue.

References

Heinonen,  K., Kulmala,  I., and Saamanen,  A., 1996, “Local Ventilation for Powder Handling a Combination of Local Supply and Exhaust Air,” Am. Ind. Hyg. Assoc. J., 57, pp. 356–365.
Kulmala,  I., Saamanen,  A., and Enbom,  S., 1996, “The Effect of Contaminant Source Location on Worker Exposure in the Near-Wake Region,” Ann. Occup. Hyg., 40, pp. 511–523.
Flynn,  M. R., and Sills,  E., 2000, “On the use of computational fluid dynamics in the prediction and control of exposure to airborne contaminants–an illustration using spray painting,” Ann. Occup. Hyg., 44, No. 3, pp. 191–202.
Flynn,  M. R., Gatano,  B., McKernan,  J. L., Dunn,  K., Blazicko,  B. A., and Carlton,  G. N., 1999, “Modeling Breathing-Zone Concentrations of Airborne Contaminants Generated During Compressed Air Spray Painting,” Ann. Occup. Hyg., 43, No. 1, pp. 67–76.
Carlton,  G. N., and Flynn,  M. R., 1997, “Field Evaluation of an Empirical-Conceptual Exposure Model,” Appl. Occup. Environ. Hyg., 12, No. 8, pp. 555–561.
Heitbrink,  W. A., Wallace,  M. E., Bryant,  C. J., and Ruch,  W. E., 1995, “Control of Paint Overspray in Autobody Repair Shops,” Am. Ind. Hyg. Assoc. J., 56, No. 10, pp. 1023–1032.
Carlton,  G. N., and Flynn,  M. R., 1997, “A Model to Estimate Worker Exposure to Spray Paint Mists,” Appl. Occup. Environ. Hyg., 12, No. 5, pp. 375–382.
Carlton,  G. N., and Flynn,  M. R., 1997, “Influence of Spray Painting parameters on Breathing Zone Particle Size Distributions,” Appl. Occup. Environ. Hyg., 12, No. 11, pp. 744–750.
Kim,  K. Y., and Marshall,  J. R., 1971, “Drop-Size Distributions from Pneumatic Atomizers,” AIChE J., 17, No. 3, pp. 575–584.
Tan,  Y., and Flynn,  M. R., 2000, “Experimental Evaluation of a Mathematical Model for Predicting Transfer Efficiency of a High Volume–Low Pressure Air Spray Gun,” Appl. Occup. Environ. Hyg., 15, No. 10, pp. 785–793.
Vincent, J., 1995, Aerosol Science for Industrial Hygienists, Pergamon Press, New York, NY.
Hicks,  P. G., and Senser,  D. W., 1995, “Simulation of Paint Transfer in an Air Spray Process,” ASME J. Fluids Eng., 117, pp. 713–719.
Fluid Dynamics International, 1998, FIDAP Manual, Evanston III.
Gosman, A. D., and Ioannides, E., 1981, “Aspects of Computer Simulation of Liquid-Fuelled Combustors,” AAIA 19th Aerospace Mtg., Paper No. 81-0323, St. Louis, MO.
Heinsohn, R. J., 1991, Industrial Ventilation: Engineering Principles, Wiley Interscience, New York, NY.
Domnick, J., Tropea, C., and Xu T. H., 1991, “Measurements in Paint Sprays Using a Phase-Doppler Anemometer” Proceedings of the International Conference on Liquid Atomization and Spray Systems (5th), NTIS pb91-216838 pp. 129–138.

Figures

Grahic Jump Location
The reality being simulated: compressed air spray painting of a flat plate in a cross-flow ventilated booth, Θ=90 and 180 deg
Grahic Jump Location
Photo of the experimental setup: mannequin in wind tunnel with 37-mm open-face cassette located in mouth
Grahic Jump Location
Particle trajectories for the 90 deg orientation, in each case the small sphere depicts the breathing zone volume. Side views (a) 27.5 μm diameter particles, and (b) 52.5 μm diameter particles. Top-down views (c) 27.5 μm diameter particles, and (d) 52.5 μm diameter particles, booth airflow is from left to right.
Grahic Jump Location
Three views of computational grid m3: (a) top view, (b) 3D view, (c) details of the jet region.
Grahic Jump Location
Convergence of the dimensionless breathing-zone concentration as a function of the number of particle trajectories per size interval for the three finest meshes

Tables

Errata

Discussions

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In