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Characterization of Multiphase Fluid Flow During Air-Sparged Hydrocyclone Flotation by X-Ray Ct. Thirteenth Quarterly Report: 14 August--13 November, 1993

Description: The research activities during this quarter of the DOE project, {open_quotes}Characterization of Multiphase Fluid Flow During Air-Sparged Hydrocyclone Flotation{close_quotes}, involved a detailed parametric study of the flotation response of the ASH, establishing an empirical correlation between flotation response and operating variables, and development of a phenomenological description of the observed responses. In these experiments with quartz particles, flotation response is essentially cha… more
Date: November 16, 1993
Creator: Miller, J. D.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Sloshing response of layered liquids in rigid tanks

Description: Whereas the response to earthquakes of tanks containing a uniform, homogeneous liquid has been the subject of numerous studies in recent years, there is a paucity of information concerning the corresponding response of tanks containing layers of liquid of different densities. Current interest in the response of tanks with layered liquids is motivated by two factors: (1) many waste storage tanks in nuclear facilities contain two or more layers of liquid or liquid-like material of different densi… more
Date: April 1, 1993
Creator: Veletsos, A. S. & Shivakumar, P.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

AQUA-SHEAR Mixer test project: DOE Invention No. 522. Final technical report

Description: The AQUA-SHEAR Mixer is an instantaneous in-line continuous static mixer, with application for addition and mixing of solid powders, slurries, liquids, or gases to a flowing liquid. The liquid feed is divided into two equal streams directed through nozzles in end caps of the mixing chamber; the opposing liquid streams collide in the center of the mixing chamber, creating an intensely turbulent zone. Additives are introduced through a port above this zone, resulting in dispersion and mixing with… more
Date: September 1, 1993
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Streamflow and selected precipitation data for Yucca Mountain and vicinity, Nye County, Nevada, water years 1983--85

Description: Streamflow and precipitation data collected at and near Yucca Mountain, Nevada, during water years 1983--85, are presented in this report. The data were collected and compiled as part of the studies the US Geological Survey is making, in cooperation with the US Department of Energy, to characterize surface-water hydrology in the Yucca Mountain area. Streamflow data include daily mean discharges and peak discharges at 4 complete-record gaging stations and peak discharges at 10 crest-stage, parti… more
Date: January 1, 1993
Creator: Pabst, M. E.; Beck, D. A.; Glancy, P. A. & Johnson, J. A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

The impact of repository heat on thermo-hydrological performance at Yucca Mountain

Description: To safely and permanently store high-level nuclear waste, the potential Yucca Mountain repository site must mitigate the release and transport of radionuclides for tens of thousands of years. In the failure scenario of greatest concern, water would contact a waste package (WP), accelerate its failure rate, and eventually transport radionuclides to the water table. These analyses have demonstrated that the only significant source of liquid water is nonequilibrium fracture flow from: (1) meteoric… more
Date: September 1, 1993
Creator: Buscheck, T. A. & Nitao, J. J.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Numerical simulation of coupled two-phase gas/liquid flow in an electric arc furnace

Description: The importance of an electric arc furnace (EAF) process in the production of steel has increased over the last decade. Currently, this process is used for 40 percent of the raw steel produced, and it accounts for the consumption of 20 TWhr of electrical energy. Furthermore, projections indicate that the EAF production process will account for 42 percent and 45 percent, respectively, of the total steel production in 1995 and 2000. The increasing cost of electricity, and the demand to produce hig… more
Date: November 1, 1993
Creator: Tanski, J.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

The Effect of Turbulence on the Stability of Liquid Jets and the Resulting Droplet Size Distributions. Fourth quarterly technical report, October 1, 1993--December 31, 1993

Description: In this progress report the authors report on progress in making experimental measurements to describe the rheological properties of non-Newtonian fluids. Non-Newtonian liquids exhibit a non linear relationship between the shear stress and the shear rate. A typical time-dependent rheological phenomenon is thixotropy. Thixotropic fluids show a limited decrease in the shear viscosity of the fluid with time under a suddenly applied constant stress. Thixotropic fluids also show a hysteresis loop an… more
Date: December 31, 1993
Creator: Mansour, A. & Chigier, N.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

The Effect of Turbulence on the Stability of Liquid Jets and the Resulting Droplet Size Distributions. Third quarterly technical report, July 1, 1993--September 30, 1993

Description: Laminar and turbulent columns of liquids issuing from capillary tubes were studied in order to determine the effects of turbulence on the stability of liquid jets and to establish the influence of liquid turbulence on droplet size distributions after breakup. Two capillary tubes were chosen with diameters D{sub 1}=3.0mm and D{sub 2}=1.2mm; jet Reynolds numbers were 1000--30000, and 400--7200. For water injection into stagnant air, stability curve is bounded by a laminar portion, where a jet rad… more
Date: December 1, 1993
Creator: Mansour, A. & Chigier, N.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Particle pressures in fluidized beds. Second year annual report

Description: Campbell and Wang (1991) showed that the particle pressures in gas-fluidized beds were largely generated by the passage of bubbles. In particular, they showed that the average particle pressure exerted on the side walls scaled with the average size of the bubble. This immediately brings to mind two questions: (1) what is it about bubbles that leads to particle pressure generation and (2) would there be measurable particle pressures in liquid-fluidized beds which, while unstable, do not bubble? … more
Date: December 31, 1993
Creator: Campbell, C. S.; Rahman, K.; Hu, X. & Jin, C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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