Experimental and numerical studies of sulfur chemistry in H/sub 2//O/sub 2//SO/sub 2/ flames
The structure of low pressure (100-150 Torr) rich H/sub 2//O/sub 2/ flames doped with SO/sub 2/ has been investigated both experimentally and numerically in order to clarify the chemistry of sulfur laden flames. Equivalence ratios from 1.35 to 2.4 have been examined, with peak temperature between 1800 and 1450K. The basic features of the concentration profiles suggest a two stage flame as most of the hydrogen-oxygen chemistry is complete early on (5-7 mm). The sulfur chemistry is, by comparison, continually adjusting itself to changes in temperature and radical concentrations. Numerical simulations accurately predict the general features of these flames, allowing for a detailed description of the important chemistry in various regions of the flame. SO/sub 2/ is found to be the dominant sulfur species even in the very rich flames, although H/sub 2/S is by far the most thermodynamically favored species.
- Research Organization:
- National Bureau of Standards, High Temperature Reacting Flows Group, Gaithersburg, MD 20899
- OSTI ID:
- 6423303
- Journal Information:
- Combust. Flame; (United States), Journal Name: Combust. Flame; (United States) Vol. 69:2; ISSN CBFMA
- Country of Publication:
- United States
- Language:
- English
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The chemistry of sodium with sulfur in flames
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Related Subjects
400800* -- Combustion
Pyrolysis
& High-Temperature Chemistry
CHALCOGENIDES
CHEMICAL REACTION KINETICS
COMBUSTION KINETICS
ELEMENTS
FLAME PROPAGATION
FLAMES
HYDROGEN
HYDROGEN COMPOUNDS
HYDROGEN SULFIDES
KINETICS
LOW PRESSURE
MATHEMATICAL MODELS
NONMETALS
OXIDES
OXYGEN
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
QUANTITY RATIO
REACTION KINETICS
RESEARCH PROGRAMS
SULFIDES
SULFUR COMPOUNDS
SULFUR DIOXIDE
SULFUR OXIDES
TEMPERATURE EFFECTS
THERMODYNAMIC PROPERTIES
VERY HIGH TEMPERATURE