Combustor oscillation attenuation via the control of fuel-supply line dynamics

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Description

Combustion oscillation control in combustion systems using hydrocarbon fuels is provided by acoustically tuning a fuel-delivery line to a desired phase of the combustion oscillations for providing a pulse of a fuel-rich region at the oscillating flame front at each time when the oscillation produced pressure in the combustion chamber is in a low pressure phase. The additional heat release produced by burning such fuel-rich regions during low combustion chamber pressure effectively attenuates the combustion oscillations to a selected value.

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28 p.

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Richards, George A. & Gemmen, Randall S. December 1, 1996.

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This patent is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by the UNT Libraries Government Documents Department to the UNT Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 21 times. More information about this patent can be viewed below.

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Description

Combustion oscillation control in combustion systems using hydrocarbon fuels is provided by acoustically tuning a fuel-delivery line to a desired phase of the combustion oscillations for providing a pulse of a fuel-rich region at the oscillating flame front at each time when the oscillation produced pressure in the combustion chamber is in a low pressure phase. The additional heat release produced by burning such fuel-rich regions during low combustion chamber pressure effectively attenuates the combustion oscillations to a selected value.

Physical Description

28 p.

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OSTI as DE00755801

Medium: P; Size: 28 pages

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  • Patent File Date: 1996 Nov 06

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  • Report No.: PATENTS-US--A8744644
  • Office of Scientific & Technical Information Report Number: 755801
  • Archival Resource Key: ark:/67531/metadc711571

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • December 1, 1996

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  • Sept. 12, 2015, 6:31 a.m.

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  • March 13, 2019, 12:19 p.m.

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Richards, George A. & Gemmen, Randall S. Combustor oscillation attenuation via the control of fuel-supply line dynamics, patent, December 1, 1996; Morgantown, West Virginia. (https://digital.library.unt.edu/ark:/67531/metadc711571/: accessed April 25, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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