发射CT法测量层流乙烯扩散火焰中温度与烟黑浓度分布的实验研究

工程热物理学报 , 2006, 27(4): 717-719.

1.华中科技大学煤燃烧国家重点实验室,湖北,武汉,430074

2.华中科技大学煤燃烧国家重点实验室,湖北,武汉,430074

3.华中科技大学煤燃烧国家重点实验室,湖北,武汉,430074

4.华中科技大学煤燃烧国家重点实验室,湖北,武汉,430074

基金项目: 高等学校优秀青年教师教学科研奖励计划

SIMULTANEOUS MEASUREMENT OF DISTRIBUTIONS OF TEMPERATURE AND SOOT VOLUME FRACTION IN LAMINAR ETHYLENE FLAMES BY EMISSION CT

对于非均匀吸收、发射、无散射的轴对称含烟黑火焰对象,常规双色法不再适用.本文基于烟黑辐射特性,利用烟黑单色辐射强度图像信息采用CT算法同时重建含烟黑火焰温度与烟黑浓度分布,对层流乙烯扩散火焰的温度与烟黑容积份额进行测量,得到了较好的结果.

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