STUDIES OF SMALL PARTICLE SUSPENSIONS FOR L.M.F.R. PART II. FLUID FLOW WITH SUSPENSIONS SIMULATING THE UBe$sub 13$-Na SYSTEM
Technical Report
·
OSTI ID:4201368
BS>Suspensions of barium sulfate in water at concentrations of up to 16.5 wt. % were circulated in a 1inch loop to simulate the behavior of the UB/ sub 13/-Na system for L.M.F.R. In a horizontal pipe the mean velocity for the formation of a moving bed was 1.6 feet per second and the mean velocity for the formation of a stationary bed was 1.4 feet per second. The corresponding mean Reynolds numbers were 15,000 and 13,000, respectively. For fully suspended flow, friction factors were the same as for clean water providing the density and viscosity terms in the Reynolds number related to the suspension. The validity of the Orr and Dallavalle viscosity equation for such systems was confirmed snd non-Newtonian relationships were not required. Striations similar to those previously reported for the tungsten-- water system, were observed before and during settling. (auth) The available experimental data for the horizontal settling velocities of suspensions with particles of small size were collected. These were compared with the velocities calculated from the several equations existing in the literature for predicting horizontal settling velocities. No consistent agreement between the experimental and calculated velocities was found. Using the effective density ratio, defined as the ratio of the difference in density between solid and liquid to the density of the liquid, the experimental values were correlated satisfactorily. Further data are needed before a generalized correlation for suspensions can be established. (auth)
- Research Organization:
- Australia. Atomic Energy Commission Research Establishment, Lucas Heights, New South Wales
- NSA Number:
- NSA-13-020868
- OSTI ID:
- 4201368
- Report Number(s):
- AAEC/E-16
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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