摘要
在自然龙卷风的启发下，提出了人造龙卷风控制抽吸的设想，分析了人造龙卷风的生成机理，进行了大量的定性观察和定量测量，结果表明，生成龙卷风的必要条件是：①有诱导旋流；②在流场中能形成一个称为旋涡生成区的流动区域．龙卷风的生成与射抽流量比有关，最佳流量比范围为Ｑ＝０．３～０．６５，当Ｑ＜０．３和Ｑ＞１．５时均不能生成龙卷风．
In the light of natural tornado an assumption is made to generate artificial tornado to control suction.The mechanism for generating an artificial tornado is studied.Qualitative observation and quantitative measurement are made.The test data show that the necessary conditions for producing a tornado are: ① an inducing cycle; ② a flowing zone for forming a vortex.The formation of tornado is related to injection flow rate.The optimal flow rate is in the range of =0 3￣0 65. When <0 3 and >1 5 tornado can not be generated.
出处
《煤炭学报》
EI
CAS
CSCD
北大核心
1996年第4期403-406,共4页
Journal of China Coal Society
基金
煤炭科学基金资助项目
