ANALYSES OF A MICROPHYSICAL RESPONSE TO THE SEEDING IN TWO CASES OF ARTIFICIAL FOG DISSIPATION

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摘要 TwofieldexperimentswereperformedinordertodissipatethefogatWuqingDistrictofTianjininNovemberandDecemberof2009.Hygroscopicparticleswereseededtodissipatefogdropletson6-7November,2009.Liquidnitrogen(LN)wasseededintothenaturalsupercooledfogintheexperimentsof30November–1December,2009.Significantresponsewasfoundafterseeding.Significantchangeswereobservedinthemicrostructureoffoginthefieldexperiments.Theoffogdropletchangeddramatically;itincreasedfirstandthendecreasedafterseeding.RemarkablevariationalsowasfoundintheLiquidWaterContent(LWC)andinthesizeoffogdroplet.TheDropletSizeDistribution(DSD)offogbroadenedduringtheseedingexperiments.TheDSDbecamenarrowaftertheseedingended.Afterseeding,thedropletswerefoundtobeatdifferentstagesofgrowth,resultinginatransformofDSDbetweenunimodaldistributionandbimodaldistribution.TheDSDwasunimodalbeforeseedingandthenbimodalduringtheseedingexperiment.Finally,theDSDbecameunimodallydistributedonceagain.
机构地区 不详
出版日期 2013年04月14日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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