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RECORD NUMBER: 33 OF 40

OLS Field Name OLS Field Data
Main Title Sonic Anemometer Measurement Within a Room.
Author Irwin, J. S. ; Paumier, J. O. ;
CORP Author Environmental Protection Agency, Research Triangle Park, NC. Atmospheric Research and Exposure Assessment Lab. ;Computer Sciences Corp., Research Triangle Park, NC.
Publisher 1990
Year Published 1990
Report Number EPA/600/D-90/036;
Stock Number PB90-221938
Additional Subjects Air circulation ; Velocity measurement ; Turbulence ; Meetings ; Anemometers ; Aerosols ; Deposition ; Tests ;
Holdings
Library Call Number Additional Info Location Last
Modified
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Status
NTIS  PB90-221938 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 08/27/1990
Collation 6p
Abstract Results are reported on the use of a 5 cm path-length sonic anemometer for the measurement of turbulent fluctuations in the small rooms. Doors and windows were closed with the forced air circulation system turned on. Measurements were taken at three heights (floor, middle and ceiling). Data were recorded for 10-minute periods at 10Hz at each sampling location, defined as a run. Except within the corners or above the vents, the flow was nearly isotropic, with speeds on the order of 15 cm/s. Approximately, 10 to 20% of the measured component velocities were below the threshold of the instrument's uncertainty. The speed threshold of 2 to 5 cm/s will limit the usefulness of this instrument.
Supplementary Notes Prepared in cooperation with Computer Sciences Corp., Research Triangle Park, NC.
Category Codes 89B
NTIS Prices PC A02/MF A01
Primary Description 600/09
Document Type NT
Cataloging Source NTIS/MT
Control Number 019414064
Origin NTIS
Type CAT