Rheological properties essential for the atomization of coal water slurries (CWS). Quarterly progress report, March 15, 1995--June 15, 1995

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Description

The analysis of pipeline transportation of highly concentrated suspensions such as coal-water slurries, can exhibit several flow characteristics depending on the concentration and the physical parameters of the dispersed phase. Experiments were conducted for coal-water slurries flows in a series of horizontal capillary tubes of diameters 0.8, 1.5 and 3.0 mm and 100 mm in length, in order to investigate the effect of concentration, pressure drop, and the transitional Reynolds number from laminar to turbulent flow in a homogeneous slurry. The solid concentration was varied from 15% to 63% in 0.1% xanthum gum solution. Pressure drop and the volume flow ... continued below

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8 p.

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Ohene, F. October 1, 1995.

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  • Ohene, F. Grambling State Univ., LA (United States)

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Description

The analysis of pipeline transportation of highly concentrated suspensions such as coal-water slurries, can exhibit several flow characteristics depending on the concentration and the physical parameters of the dispersed phase. Experiments were conducted for coal-water slurries flows in a series of horizontal capillary tubes of diameters 0.8, 1.5 and 3.0 mm and 100 mm in length, in order to investigate the effect of concentration, pressure drop, and the transitional Reynolds number from laminar to turbulent flow in a homogeneous slurry. The solid concentration was varied from 15% to 63% in 0.1% xanthum gum solution. Pressure drop and the volume flow measurement were made using HVA-6 Capillary viscometer. The Reynolds numbers obtained were found to be dependent on the slurry concentration and the viscosity of the slurry mixture, but independent of the capillary diameter.

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8 p.

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OSTI as DE96000958

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  • Other Information: PBD: 1995

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  • Other: DE96000958
  • Report No.: DOE/PC/91292--T18
  • Grant Number: FG22-91PC91292;FG22-92MT92019
  • DOI: 10.2172/116688 | External Link
  • Office of Scientific & Technical Information Report Number: 116688
  • Archival Resource Key: ark:/67531/metadc627812

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Office of Scientific & Technical Information Technical Reports

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  • October 1, 1995

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  • June 16, 2015, 7:43 a.m.

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  • Feb. 17, 2017, 5:58 p.m.

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Ohene, F. Rheological properties essential for the atomization of coal water slurries (CWS). Quarterly progress report, March 15, 1995--June 15, 1995, report, October 1, 1995; Pittsburgh, Pennsylvania. (digital.library.unt.edu/ark:/67531/metadc627812/: accessed April 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.