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The effects of pressure and temperature on heat transfer during flame quenching

Conference ·
OSTI ID:5212091
; ;
The unsteady wall heat transfer during laminar flame quenching was studied in a constant volume combustion chamber for premixed propane-air mixtures. The wall heat flux was determined for different initial pressures and different ignition locations. The dependence of the maximum wall heat flux on the pressure and the unburned gas temperature prior to quenching was obtained. A relationship between the measured maximum wall heat flux and the head-on quenching distance was also obtained. A quasilinear method was used to solve the unsteady, one-dimensional conservation equations during laminar flame quenching. The results of the calculations for the unsteady wall heat flux are in good agreement with the experimental data.
OSTI ID:
5212091
Report Number(s):
CONF-871142-
Country of Publication:
United States
Language:
English

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Related Subjects

02 PETROLEUM
025000* -- Petroleum-- Combustion
33 ADVANCED PROPULSION SYSTEMS
330100 -- Internal Combustion Engines
ALKANES
AUTOMOTIVE FUELS
CHEMICAL REACTION KINETICS
COMBUSTION KINETICS
ENERGY TRANSFER
ENGINES
FLAME PROPAGATION
FLAMES
FLUID FLOW
FUEL-AIR RATIO
FUELS
HEAT ENGINES
HEAT FLUX
HEAT TRANSFER
HYDROCARBONS
INTERNAL COMBUSTION ENGINES
KINETICS
LAMINAR FLOW
ORGANIC COMPOUNDS
PRESSURE EFFECTS
PROPANE
QUENCHING
REACTION KINETICS
TEMPERATURE EFFECTS
THERMODYNAMICS