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.

Physical Description

28 p.

Creation Information

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

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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.

Notes

OSTI as DE00755801

Medium: P; Size: 28 pages

Source

  • 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.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • December 1, 1996

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

Description Last Updated

  • Feb. 1, 2018, 10:34 p.m.

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Citations, Rights, Re-Use

Richards, George A. & Gemmen, Randall S. Combustor oscillation attenuation via the control of fuel-supply line dynamics, patent, December 1, 1996; Morgantown, West Virginia. (digital.library.unt.edu/ark:/67531/metadc711571/: accessed February 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.