摘要
在拖曳式水槽中利用不同密度分层的盐水来模拟不同的大气条件。对香港岛铜锣湾地带的污染情况进行了不同大气条件下的流场显示实验。从该地区在常年风作用下流场的变化,找出污染物不易扩散的原因。
Laboratory observation of pollution dispersion over complex topography in towing tank experiments with salt water as stratifying agent has proved to be a useful modeling means in the investigation of pollution dispersion characteristics over complex terrain in stratified atmospheres. Various phenomena of pollution dispersion under conditions of elevated inversion were also useful modeled. Flow visualization technique made it possible to directly and clearly observe the flow field and the dye streakline can be quantified by means of image processing enabling the pollution concentration field to be detected. Numerical modeling of the same problem was also carried out and satisfactory agreement between the computed and the observed results were obtained.
出处
《流体力学实验与测量》
CSCD
北大核心
2003年第1期59-63,共5页
Experiments and Measurements in Fluid Mechanics
基金
国家自然科学基金资助项目(4001161948)
