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Stability limits and burning velocities for some laminar and turbulent propane and hydrogen flames at reduced pressure
- Author / Creator
- Available as
- Online
- Summary
-
The effect of reduced pressure on blowoff, flashback, and burning velocities of propane-oxygen-nitrogen burner flames was studied (oxygen fraction of oxidant, 0.5). The pressure exponent of burning...
The effect of reduced pressure on blowoff, flashback, and burning velocities of propane-oxygen-nitrogen burner flames was studied (oxygen fraction of oxidant, 0.5). The pressure exponent of burning velocity, 0.22, was nearly the same as for hydrogen-air flames; stability loops showed the same blowoff and flashback characteristics as were previously observed for hydrogen-air flames. In particular, for both systems, quenching distances determined as a function of pressure from the points of intersection of flashback and blowoff portions of stability loops were considerably higher than those obtained previously by a stopped-flow method.
Details
- Creator
- by Burton Fine
- Format
- Books
- Language
- English
- Contributors
- Publication
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- Washington, D.C. : National Advisory Committee for Aeronautics, 1957
- Physical Details
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- 1 online resource (49 pages) : illustrations, tables
- data file
- OCLC
- on1423100889
- Title from title screen (viewed February 22, 2024)
- Report numbers NACA-TN-4031.
- Date of issue: August 1957.
- "Lewis Flight Propulsion Laboratory."
- Includes bibliographical references (pages 22-24)
- Electronic reproduction. Denton, Texas : University of North Texas, 2011. Electronic reproduction from print master produced by University of North Texas.
Subjects
- Propane flames.
- Hydrogen flames.
- Flame stability.
- Turbulence.
- Pressure.
- pressure.
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