A Novel Method for Measuring the Coarse Water Droplets in Wet Steam Flow in Steam Turbines

(整期优先)网络出版时间:2001-02-12
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Someopticalprobesbasedonlightextinctionhavebeendevelopedtomeasurewetnessdominatedwithfimedropletsinsteamturbine.However,coarsewaterdroplets(hereafterreferredtoasCWD)thatarethemaincauseoferosionofbladeandofwetnesslossofsteamturbinecan'tbedetentedbytheextinctionprobesbecauseofitslargesize.Inthispaper,anewmethod-thelightfluctuationmethodispresentedthatiscapableofmeasuringthesizeofCWD.AnewprobebasedonthismethodwasdevelopedformeasuringthesizeofCWDaswellasitsvelocityandconcentration.