0
TECHNICAL PAPERS

Turbulent Three-Dimensional Air Flow and Trace Gas Distribution in an Inhalation Test Chamber

[+] Author and Article Information
P. W. Longest, C. Kleinstreuer

Department of Mechanical and Aerospace Engineering, North Carolina State University, Raleigh, NC 27695-7910

J. S. Kinsey

U. S. Environmental Protection Agency, National Health and Environmental Effects Research Laboratory, Research Triangle Park, NC 27711

J. Fluids Eng 122(2), 403-411 (Feb 09, 2000) (9 pages) doi:10.1115/1.483270 History: Received April 15, 1998; Revised February 09, 2000
Copyright © 2000 by ASME
Your Session has timed out. Please sign back in to continue.

References

Figures

Grahic Jump Location
Geometry of in-plane chamber system: (a) inlet pipe and (b) Rochester-style human exposure chamber with inlet and outlet components
Grahic Jump Location
Cross-sectional views of flow velocity vectors overlaid with absolute velocity magnitude contours: (a) mid-plane slice of test area; (b) mid-plane slice of inlet cone; (c) top view of breathing level; and (d) mid-plane slice of flow exit configuration
Grahic Jump Location
Paths of stream traces in chamber
Grahic Jump Location
Local distribution of mid-plane turbulence level and nondimensional dissipation rate at various downstream locations: (a) inlet to first diffuser, h=6.38 m(h*=15.70); (b) inlet to third diffuser, h=3.97 m(h*=9.77); (c) breathing level, h=1.52 m(h*=3.74); (d) floor level, h=0.00 m
Grahic Jump Location
Area averaged turbulence quantities from RNG k-ε and k-ε solutions: (a) turbulence level and (b) nondimensional dissipation rate in chamber
Grahic Jump Location
Measured and predicted transient CO-concentration at the outlet for an upstream step-input
Grahic Jump Location
Mid-plane contours over time of CO-concentration for an upstream step-input
Grahic Jump Location
Horizontal plane view taken h=1.52 m(h*=3.74) above the chamber floor of secondary velocity vectors (upper half) and quasi-steady contours of CO-concentration measured in ppmv (lower half)
Grahic Jump Location
Quasi-steady contours of CO-concentration for an injection point upstream of the fourth inlet bend; consecutive horizontal plane slice positions measured upward from the partial floor

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