Combustion of pulverized coal in vortex structures. Final report, October 1, 1993--December 31, 1995

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The objectives of the project were: (i) to understand the effects of heating one of the streams on the characteristics of shear layers, (ii) to investigate the changes in the characteristics of large scale vortex structures in the shear layer caused by the introduction of inert solid particles in one of the feed streams; (iii) to understand the effects of pyrolyzing solids on the shear layer behavior; and (iv) to study the effects of combustion of particles and their pyrolysis products on the shear layer structure, heat release rate, and pollutant emission characteristics. An experimental facility for generating two-dimensional shear ... continued below

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138 p.

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Gollahalli, S.R. & Butuk, N. March 1, 1996.

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Description

The objectives of the project were: (i) to understand the effects of heating one of the streams on the characteristics of shear layers, (ii) to investigate the changes in the characteristics of large scale vortex structures in the shear layer caused by the introduction of inert solid particles in one of the feed streams; (iii) to understand the effects of pyrolyzing solids on the shear layer behavior; and (iv) to study the effects of combustion of particles and their pyrolysis products on the shear layer structure, heat release rate, and pollutant emission characteristics. An experimental facility for generating two-dimensional shear layers containing vortex structures has been designed and fabricated. The experimental facility is essentially a low speed wind tunnel designed to (i) provide two gas streams, initially with uniform velocity profiles and isotropic turbulence, mixing at the end of a splitter plate, (ii) introduce vorticity by passively perturbing one of the streams, (iii) allow heating of one of the streams to temperatures high enough to cause pyrolysis of coal particles, and (iv) provide a natural gas flame in one of the streams to result in ignition and burning of coal particles.

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138 p.

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OSTI as DE96012559

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  • Other Information: PBD: Mar 1996

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  • Other: DE96012559
  • Report No.: DOE/PC/93221--T9
  • Grant Number: FG22-93PC93221
  • DOI: 10.2172/257349 | External Link
  • Office of Scientific & Technical Information Report Number: 257349
  • Archival Resource Key: ark:/67531/metadc668037

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  • March 1, 1996

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  • June 29, 2015, 9:42 p.m.

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  • Dec. 17, 2015, 12:36 p.m.

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Gollahalli, S.R. & Butuk, N. Combustion of pulverized coal in vortex structures. Final report, October 1, 1993--December 31, 1995, report, March 1, 1996; United States. (digital.library.unt.edu/ark:/67531/metadc668037/: accessed October 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.