Computer modeling of radiation and combustion in a rotary solid-waste incinerator

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Description

A mathematical model was developed to study the effect of the various particulates that occur in pulverized-coal flames of solid-waste incinerators. Radiation heat transfer between refractory surface and flame, transient conditions in the refractory, and chemical reactions in the waste material is included in the model. Radiation heat exchange is determined by the absorption factor technique. A first-order-chemical-reaction rate is assumed for the solid waste. This study takes into account the radiation emission, absorption, and scattering of gaseous media for water vapor and carbon dioxide contained in the combustion gases. Soot particles are also investigated. The variables are mass fraction, ... continued below

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24 p.

Creation Information

Chang, F. C. & Rhodes, C. A. July 1995.

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  • Chang, F. C. Argonne National Lab., IL (United States)
  • Rhodes, C. A. South Carolina Univ., Columbia, SC (United States). Dept. of Mechanical Engineering

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Description

A mathematical model was developed to study the effect of the various particulates that occur in pulverized-coal flames of solid-waste incinerators. Radiation heat transfer between refractory surface and flame, transient conditions in the refractory, and chemical reactions in the waste material is included in the model. Radiation heat exchange is determined by the absorption factor technique. A first-order-chemical-reaction rate is assumed for the solid waste. This study takes into account the radiation emission, absorption, and scattering of gaseous media for water vapor and carbon dioxide contained in the combustion gases. Soot particles are also investigated. The variables are mass fraction, particle size, complex refractive index, and amount of solid waste. Rayleigh scattering is assumed for particles. Refractory-wall temperature variations, surface temperature of the refractory, solid-waste temperature, and solid-waste flow rates was investigated. This study is important for design purposes in determining the length of the incinerator required to completely burn the wastes.

Physical Description

24 p.

Notes

OSTI as DE95014236

Source

  • Joint American Society of Mechanical Engineers (ASME)/Japan Society of Mechanical Engineers (JSME) pressure vessels and piping conference, Honolulu, HI (United States), 23-27 Jul 1995

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  • Other: DE95014236
  • Report No.: ANL/ET/CP--85778
  • Report No.: CONF-950740--62
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 79905
  • Archival Resource Key: ark:/67531/metadc733463

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Creation Date

  • July 1995

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  • Oct. 19, 2015, 7:39 p.m.

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  • Dec. 14, 2015, 11:06 a.m.

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Chang, F. C. & Rhodes, C. A. Computer modeling of radiation and combustion in a rotary solid-waste incinerator, article, July 1995; Illinois. (digital.library.unt.edu/ark:/67531/metadc733463/: accessed August 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.