CWM微量噴霧群の燃焼挙動とシミュレーション

概要

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The ignition and combustion behavior of a small amount of spray with coal-water mixture (CWM) and that of emulsitied CWM were observed in an electric furnace in order to obtain fundamental data in prediction of practical furnace combustion. The experiments were carried out in the furnace temperature range of 973 K to 1273 K under nozzle pressure of 0.168 MPa to 0.294 MPa. They showed reasonable results such as that the time lag and the location of ignition tend to become shorter at higher furnace temperature under constant nozzle pressure. The data of experimental time lag and the location of ignition were compared with the simulation predictions for each size of CWM droplet under several experimental conditions of both the furnace temperature and the nozzle pressure. The predictions are in rough agreement with the experimental data for the time lag and the location of ignition.
社団法人日本機械学会の論文
1993-02-25