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TSR-II FLUID FLOW STUDIES

Author
Gambill, W. R.
Published
United States : [publisher not identified], 1959.
[Oak Ridge, Tennessee] : [U.S. Atomic Energy Commission], 1959.
Physical Description
microopaque : positive ; 8 x 13 cm

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Summary
An investigation of fluid flow in a full-scale quartersphere model of the Tower Shielding Reactor-II was conducted to determine the degree of orificing necessary for attainment of a flow rate distribution compatible with the power generation profile. An extreme radial asymmetry of flow rate was observed across the unorificed second-pass flow channels. This condition was largely corrected by the installaticn of screens over the inlets of certain of the channels when the decision was made not to use screens. The same flow correction was later attained by the use of a perforated plate in the second-pass distribution channel. A determination of friction factor variation with Reynolds number for the particular entrance conditions of the TSR-II second pass revealed a smooth transition between the laminar and turbulent flow regimes. It was consequently decided that no inherent instability would be associated with reactor operation in the transition region. A composite screen for installation beneath the helical tubes above the first-pass inlet was designed. The screen transformed the very peaked velocity profile beneath the tubes to a reasonably flat one. (auth)
Report Numbers
CF-59-10-104
Other Subject(s)
Collection
U.S. Atomic Energy Commission depository collection.
Note
NSA number: NSA-15-010569
OSTI Identifier 4095894
Research organization: Oak Ridge National Lab., Tenn..
View MARC record | catkey: 39681515