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| 对流云点源催化剂扩散模拟系统及应用 | |
| 引用本文： | 翟菁,王峰,胡雯,蒋年冲,黄勇.对流云点源催化剂扩散模拟系统及应用[J].气象科技,2012,40(5):843-848. |
| 作者姓名： | 翟菁 王峰 胡雯 蒋年冲 黄勇 |
| 作者单位： | 1. 安徽省气象科学研究所,合肥230031;中国气象科学研究院,北京100081;安徽省大气科学与卫星遥感重点实验室,合肥230031 2. 安徽省气象局,合肥,230031 3. 安徽省气象科学研究所,合肥230031;安徽省大气科学与卫星遥感重点实验室,合肥230031 |
| 基金项目： | 国家自然科学青年基金“江淮地区强对流天气对流云合并模拟研究”、“江淮流域强天气过程中对流云合并现象之地空联合观测研究”（41105098、40905019）资助 |
| 摘 要： | 基于对流云云中催化剂扩散理论建立了一个适用对流云的云中点源催化剂扩散模拟系统,介绍了该系统的设计思想和应用情况.讨论了催化剂扩散与扩散时间、风速、湍流系数、垂直速度等因素的关系,得到以下结论:对流云中催化剂的扩散速度较快,几分钟后就能扩散到一个相对稳定的范围；风速和湍流系数越大水平扩散范围越大；在垂直方向上催化剂扩散主要集中在爆炸层高度之上附近的地方.这些研究结果可为对流云的增雨作业方案的确定提供科学依据,同时对增雨效果的评估也有意义. |
| 关 键 词： | 人工增雨 对流云 催化剂 扩散 |
| 收稿时间： | 2011/3/30 0:00:00 |
| 修稿时间： | 2011/11/14 0:00:00 |
Diffusion Simulating System of Point Source Catalyst in Convective clouds and Its Application |
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| Zhai Jing,Wang Feng,Hu Wen,Jiang Nianchong and Huang Yong.Diffusion Simulating System of Point Source Catalyst in Convective clouds and Its Application[J].Meteorological Science and Technology,2012,40(5):843-848. | |
| Authors: | Zhai Jing Wang Feng Hu Wen Jiang Nianchong and Huang Yong |
| Institution: | 1. Anhui Institute of Meteorological Science, Hefei 230031; 2. Chinese Academy of Meteorological Science, Beiiing 100081; 3 .Anhui Key Lab of Atmosphere Science ＆ Satellite Remote Sensing, Hefei 230031 ;4. Anhui Meteorological Service, Hefei 230031) |
| Abstract: | A diffusion simulating system of point-source catalysts in convective clouds is established based on the theory of catalyst diffusion in convective clouds, and the system design and its application are described. The relationship of catalyst diffusion to the time, wind speed, turbulence coefficient, and vertical speed is discussed. The results indicate that in convective clouds the catalysts diffuse relatively quickly and the diffusion speed can reach a steady extension after several minutes; the larger the wind speed and turbulence coefficient, the wider the diffused area can be; the catalyst diffusion is mainly concentrated around the explosive height. The conclusion could be useful for artificial precipitation enhancement in convective clouds and the evaluation of precipitation enhancement effectiveness. |
| Keywords: | artificial precipitation convective cloud catalyst diffusion |
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