Laser tomography of turbulent premixed bunsen flames
Journal Article
·
· Combust. Flame; (United States)
Tomography of premixed propane-air flames is described. A laser light sheet formed by multiple reflections between two cylindrical concave mirrors is used to illuminate fine silicone oil droplets suspended in the unreacted mixture, the oil droplets evaporating almost instantaneously across the thin burning interface. The bunsen flame is pilot stabilized with the turbulence generated by a perforated plate situated upstream. Image capture is by 35-mm stills and CCD video. Images are digitized and thence become amenable to various analyses that assist the modeling and understanding of premixed turbulent combustion. A few of the possibilities are demonstrated, while the resolution and possible refinements of the method are discussed.
- Research Organization:
- Dept. of Engineering, Univ. of Cambridge, Cambridge (GB)
- OSTI ID:
- 6333405
- Journal Information:
- Combust. Flame; (United States), Journal Name: Combust. Flame; (United States) Vol. 75:2; ISSN CBFMA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400800* -- Combustion
Pyrolysis
& High-Temperature Chemistry
AIR
ALKANES
COMBUSTION PROPERTIES
DATA
DIAGNOSTIC TECHNIQUES
DROPLETS
EXPERIMENTAL DATA
FLAMES
FLUID FLOW
FLUIDS
GASES
HYDROCARBONS
IMAGES
INFORMATION
LASERS
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC SILICON COMPOUNDS
PARTICLES
POLYMERS
PROPANE
SILICONES
SILOXANES
TOMOGRAPHY
TURBULENT FLOW
400800* -- Combustion
Pyrolysis
& High-Temperature Chemistry
AIR
ALKANES
COMBUSTION PROPERTIES
DATA
DIAGNOSTIC TECHNIQUES
DROPLETS
EXPERIMENTAL DATA
FLAMES
FLUID FLOW
FLUIDS
GASES
HYDROCARBONS
IMAGES
INFORMATION
LASERS
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC SILICON COMPOUNDS
PARTICLES
POLYMERS
PROPANE
SILICONES
SILOXANES
TOMOGRAPHY
TURBULENT FLOW