Combustion Characteristics of Solid Waste Fuels Burning in High Temperature and Low Oxygen Atmosphere

概要

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Experiments have been performed to elucidate the combustion stability and flame development of waste fuel combustion in high temperature and low oxygen concentration under both conditions of normal and microgravity. In order to extract the fundamental characteristics of solid waste fuels which are often obscured by buoyancy forces, microgravity atmosphere is employed. The range of ambient temperature and oxygen concentration in the electric furnace are 350℃ to 1100℃ and 3% to 21% by volume, respectively. The stable and unstable combustion region on burning process of solid waste fuels can be deduced from the variation of flaming duration and surface combustion period with ambient temperature at a given oxygen concentration. These regions of stable and unstable combustion may be mapped as an inverse relationship between ambient temperature and oxygen concentration.
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