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Driving standing waves by heat addition
- Author / Creator
- Available as
- Online
- Summary
-
Types of burner instability are enumerated and the role of standing waves in burners is discussed. The status of the problem of flame-driven standing waves is reviewed and a one-dimensional flow th...
Types of burner instability are enumerated and the role of standing waves in burners is discussed. The status of the problem of flame-driven standing waves is reviewed and a one-dimensional flow theory giving the mechanism whereby a flame drives or damps a standing wave is presented. In this theory, the reflection, transmission, and amplification of waves passing through a flame region were determined from the continuity and momentum equations. For the model considered, waves were found to pass through the flame front with their velocity amplitudes unaltered so long as the flame area remained unchanged. A change in flame area acted as a source of waves propagating simultaneously into the hot and cold gases on either side of the flame zone. The one dimensional theory seems an adequate explanation of the experimental observations.
Details
- Creator
- by Perry L. Blackshear, Jr
- Format
- Books
- Language
- English
- Contributors
- Publication
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- Washington, D.C. : National Advisory Committee for Aeronautics, 1952
- Physical Details
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- 1 online resource (46 pages) : illustrations, photographs
- data file
- OCLC
- on1353819324
- Date of issue: August 1952.
- "Lewis Flight Propulsion Laboratory."
- Title from title screen (viewed December 5, 2022)
- Report no. NACA-TN-2772.
- Includes bibliographical references (page 22)
- Electronic reproduction. Denton, Texas : University of North Texas, 2011. Electronic reproduction from print master produced by University of North Texas.