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

Details

• Personal Author:
  Flynn MR ; Sills ED
• Description:
  This paper examines the use of computational fluid dynamics as a tool for predicting human exposure to aerosols generated during compressed air spray painting in cross-flow ventilated booths. Wind tunnel experiments employing a mannequin and non-volatile oil provide data to evaluate the numerical predictions. Fidap (v8.01) is used to calculate the velocity field and particle trajectories, while in-house codes were developed to post-process the trajectory data into mass concentrations, size distributions, transfer efficiency, and over-spray generation rates. The predicted dimensionless breathing-zone concentration of 0.13+/-23 percent is in agreement with the measured value of 0.13+/-15 percent given the uncertainties involved in such comparisons. Computational fluid dynamics is a powerful tool capable of providing useful information to occupational hygiene engineers involved in controlling human exposures to toxic airborne contaminants. [Description provided by NIOSH]
• Subjects:
  Aerosols Occupational Exposure Occupational Health Paint Safety Ventilation
• Keywords:
  Aerosol Sampling Author Keywords: Computational Fluid Dynamics Exposure Modeling Fluid Mechanics Industrial Hygiene Mathematical Models Occupational Exposure Paint Spraying Spray Painting
• ISSN:
  0098-2202
• Document Type:
  Text
• Funding:
  Grant
• Genre:
  Journal Article
• Place as Subject:
  North Carolina ; OSHA Region 4
• CIO:
  National Institute for Occupational Safety and Health (NIOSH)
• Topic:
  Workplace Safety & Health
• Location:
  North America
• Pages in Document:
  64-70
• Volume:
  123
• Issue:
  1
• NIOSHTIC Number:
  nn:20024423
• Citation:
  J Fluids Eng 2001 Mar; 123(1):64-70
• Federal Fiscal Year:
  2001
• NORA Priority Area:
  Research Tools and Approaches: Exposure Assessment Methods
• Performing Organization:
  Department of Environmental Sciences and Engineering, University of North Carolina, Chapel Hill, North Carolina
• Peer Reviewed:
  True
• Start Date:
  19950930
• Source Full Name:
  Journal of Fluids Engineering
• End Date:
  19990929
• Collection(s):
  National Institute for Occupational Safety and Health
• Main Document Checksum:
  urn:sha-512:dc9fce6e1c15e32c64867a308b6c85da86429f93800870192547186b3a04e3ac1108933d761dd83c088775d4de8591cd7810e80dea3f08eb1d9b1d3338a435fc
• Download URL:
  https://stacks.cdc.gov/view/cdc/196235/cdc_196235_DS1.pdf
• File Type:
  [PDF - 1.07 MB ]