瞬态积分浓度场的测量研究

工程热物理学报 , 2004, 25(5): 761-764.

1.上海理工大学,上海,20093

2.上海理工大学,上海,20093

基金项目: 上海市教委资助项目(02QG22) 国家自然科学基金(70371011)

EXPERIMENTAL INVESTIGATION ON THE INSTANTANEOUS INTEGRATED CONCENTRATION FIELD

根据污染扩散烟雾粒子的成像理论、粒子光散射原理和数字图像技术,建立了烟雾粒子非定常瞬态积分浓度与其散射图像强度之间的数学关系,通过烟雾粒子散射图像强度的数字化分析和处理来定量测量非定常瞬态污染扩散相对瞬态积分浓度场.并利用该方法对烟雾扩散的非定常瞬态积分浓度场进行了实际测量.

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