Particulate behavior in a controlled-profile pulverized coal-fired reactor: A study of coupled turbulent particle dispersion and thermal radiation transport. Quarterly technical progress report, September 15, 1995--December 14, 1995

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Improved understanding of the fundamental processes involved in pulverized-coal combustion is needed to make the energy extraction more efficient and the combustion byproducts environmentally safe. This report describes recent progress in a fundamental, three-year investigation of the coupled problem of turbulent particle dispersion and thermal radiation transport. The project`s objective is to make measurements of particle size, velocity, number density, temperature and wall radiant heat flux in a paramentrically-controlled reactor presently existent at Brigham Young University (BYU). Although the study proposed here is primarily designed to provide experimental data not currently available for the evaluation of turbulent particle dispersion and ... continued below

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10 p.

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Queiroz, M. & Webb, B.W. December 31, 1995.

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Description

Improved understanding of the fundamental processes involved in pulverized-coal combustion is needed to make the energy extraction more efficient and the combustion byproducts environmentally safe. This report describes recent progress in a fundamental, three-year investigation of the coupled problem of turbulent particle dispersion and thermal radiation transport. The project`s objective is to make measurements of particle size, velocity, number density, temperature and wall radiant heat flux in a paramentrically-controlled reactor presently existent at Brigham Young University (BYU). Although the study proposed here is primarily designed to provide experimental data not currently available for the evaluation of turbulent particle dispersion and radiation models, comparisons of analytical predictions and the experimental data obtained will be performed, using appropriate submodels integral to comprehensive pulverized-coal combustion codes existent at BYU. During the seventeenth quarter progress has been made in the area of modeling turbulent particle dispersion. This report describes the Stochastic-Separated-Flow (SSF) algorithm which is implemented for the numerical modeling of turbulent dispersion.

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10 p.

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OSTI as DE96010163

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  • Other Information: PBD: 1995

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  • Other: DE96010163
  • Report No.: DOE/PC/91308--17
  • Grant Number: FG22-91PC91308
  • DOI: 10.2172/225019 | External Link
  • Office of Scientific & Technical Information Report Number: 225019
  • Archival Resource Key: ark:/67531/metadc670988

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Office of Scientific & Technical Information Technical Reports

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  • December 31, 1995

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  • June 29, 2015, 9:42 p.m.

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  • Dec. 18, 2015, 4:19 p.m.

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Queiroz, M. & Webb, B.W. Particulate behavior in a controlled-profile pulverized coal-fired reactor: A study of coupled turbulent particle dispersion and thermal radiation transport. Quarterly technical progress report, September 15, 1995--December 14, 1995, report, December 31, 1995; United States. (digital.library.unt.edu/ark:/67531/metadc670988/: accessed October 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.