Sensor for Individual Burner Control of Firing Rate, Fuel-Air Ratio, and Coal Fineness Correlation, Quarterly Report: October-December 2004

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Description

Additional calibration data were collected in the Coal Flow Test Facility early in this reporting period. These data comprised a total of 181 tests for stud and magnetic accelerometer mounts, with two mounting locations relative to two different pipe elbows, and including some tests with out-of-plane elbows upstream of the test section to produce coal ''roping''. The results found in analyzing these new data were somewhat disappointing: correlations for coal flow rate for a given mount type and mounting location were less accurate than desired, and degraded badly when data from other locations were included in the same analysis. Reviewing ... continued below

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20 pages

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Hill, Wayne; Demler, Roger & Mudry, Robert G. January 2005.

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  • Foster-Miller
    Publisher Info: Foster-Miller, Inc.
    Place of Publication: United States

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Description

Additional calibration data were collected in the Coal Flow Test Facility early in this reporting period. These data comprised a total of 181 tests for stud and magnetic accelerometer mounts, with two mounting locations relative to two different pipe elbows, and including some tests with out-of-plane elbows upstream of the test section to produce coal ''roping''. The results found in analyzing these new data were somewhat disappointing: correlations for coal flow rate for a given mount type and mounting location were less accurate than desired, and degraded badly when data from other locations were included in the same analysis. Reviewing all of the data files (from both the earlier testing and recent calibration testing) disclosed a significant fraction of cases with several forms of noise. Eliminating these cases improved the correlations somewhat, but the number of cases that remained did not permit general conclusions to be drawn. It was finally learned that yet another type of noise is present in some data files, producing a strong effect on the correlation accuracy. The cases not subject to this noise correlated very well. It would be desirable to collect additional data in the Coal Flow Test Facility prior to moving on to field data collection, a change in program direction that would require a no-cost time extension.

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20 pages

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OSTI as DE00837326

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  • Other Information: PBD: 1 Jan 2005

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  • Report No.: NONE
  • Grant Number: FC26-03NT41846
  • DOI: 10.2172/837326 | External Link
  • Office of Scientific & Technical Information Report Number: 837326
  • Archival Resource Key: ark:/67531/metadc785229

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  • January 2005

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  • Dec. 3, 2015, 9:30 a.m.

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  • April 27, 2018, 1:01 p.m.

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Hill, Wayne; Demler, Roger & Mudry, Robert G. Sensor for Individual Burner Control of Firing Rate, Fuel-Air Ratio, and Coal Fineness Correlation, Quarterly Report: October-December 2004, report, January 2005; United States. (digital.library.unt.edu/ark:/67531/metadc785229/: accessed June 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.