Sensor for Individual Burner Control of Firing Rate, Fuel-Air Ratio, and Coal Fineness Correlation, Quarterly Report: January-March 2005

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Description

A no-cost time extension was requested, to permit additional laboratory testing prior to undertaking field data collection. This was received in this reporting period. To minimize program cost, this additional testing is planned to be performed in concert with EPRI-funded testing at the Coal Flow Test Facility. Since the EPRI schedule was undecided, a hiatus occurred in the test effort. Instead, a significant effort was exerted to analyze the available laboratory test data to see whether the source and nature of noise behaviors could be identified, or whether the key flow information could be extracted even in the presence of ... continued below

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14 pages

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

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

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Description

A no-cost time extension was requested, to permit additional laboratory testing prior to undertaking field data collection. This was received in this reporting period. To minimize program cost, this additional testing is planned to be performed in concert with EPRI-funded testing at the Coal Flow Test Facility. Since the EPRI schedule was undecided, a hiatus occurred in the test effort. Instead, a significant effort was exerted to analyze the available laboratory test data to see whether the source and nature of noise behaviors could be identified, or whether the key flow information could be extracted even in the presence of the noise. One analysis approach involved filtering the data numerically to reject dynamics outside of various frequency bands. By varying the center frequency and width of the band, the effect of signal frequency on flow dynamics could be examined. Essentially equivalent results were obtained for all frequency bands that excluded a neighborhood of the transducer resonance, indicating that there is little advantage to be gained by limiting the experimental frequency window. Another approach examined the variation of the dynamics over a series of 1-second windows of data, producing an improvement in the prediction of coal flow rate. Yet another approach compared the dynamics of a series of 1-second windows to those of a series of 5-second windows, producing still better results. These results will be developed further in the next reporting period, which should also include further laboratory testing at the Coal Flow Test Facility.

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14 pages

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OSTI as DE00840438

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  • Other Information: PBD: 1 Apr 2005

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  • Report No.: NONE
  • Grant Number: FC26-03NT41846
  • DOI: 10.2172/840438 | External Link
  • Office of Scientific & Technical Information Report Number: 840438
  • Archival Resource Key: ark:/67531/metadc779741

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  • April 2005

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  • Dec. 3, 2015, 9:30 a.m.

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  • April 27, 2018, 12:57 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: January-March 2005, report, April 2005; United States. (digital.library.unt.edu/ark:/67531/metadc779741/: accessed October 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.