Look at the influence of building orientation on plume dispersion in the wake of a building
Technical Report
·
OSTI ID:6966903
Observations of mean pollutant-concentration profiles downwind of a block-sized model building are reported. These data are part of a more-comprehensive field-model study of building wake effects conducted in the U.S. Environmental Protection Agency's Fluid Modeling Facility. The study includes point measurements of pollutant concentration, velocity, turbulence, and full-video images of smoke-visualized plumes. The building orientation can have a significant effect on the maximum ground-level concentrations near a building. Slight angles were observed to result in the maximum being increased by a factor of 2-3 at x=3H. Concentrations were only increased by a factor of 1.5 at x=10H. The pattern of concentrations can be well explained by expected enhanced turbulence, vortex flow, and streamline convergence observed in previous studies.
- Research Organization:
- Environmental Protection Agency, Research Triangle Park, NC (USA). Atmospheric Sciences Research Lab.
- OSTI ID:
- 6966903
- Report Number(s):
- PB-87-116422/XAB; EPA-600/D-86/241
- Country of Publication:
- United States
- Language:
- English
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