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DESIGN OF ATOMIZERS AND BURNERS FOR COAL-WATER SLURRY COMBUSTION [electronic resource].

Published:
Washington, D.C. : United States. Dept. of Energy, 1998.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description:
13 pages : digital, PDF file
Additional Creators:
Federal Energy Technology Center (U.S.), United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary:
A detailed compressible airflow analysis was performed on the central air passage of the triple-concentric atomizer. The results show that a minimum mass flow rate of 0.33 g/s (≈16 L/min at STP) of air at a supply pressure of 296 kPa(absolute) is required to create a sonic flow at the atomizer exit, which is 0.97 mm in diameter. This result confirms the hypothesis that previous parametric visualization studies of the spray cone did not have sonic air flow in all cases. Additionally, Phase/Doppler droplet size and velocity measurements were made in sprays of both water and a dilute solution (0.05% wt/wt) of high-molecular weight polyacrylamide. The measurements show small increases in mean drop size when the polymer is added to the liquid, which are nevertheless large compared to the percentage of polymer solute in the solution.
Report Numbers:
E 1.99:de--fg22-95pc95105--12
de--fg22-95pc95105--12
Subject(s):
Other Subject(s):
Note:
Published through SciTech Connect.
10/01/1998.
"de--fg22-95pc95105--12"
Norman Chigier; Rony Hitron; William Humphrey.
Funding Information:
FG22-95PC95105
View MARC record | catkey: 13833846