摘要
Weconductedatransientexperimentalinvestigationofsteam–waterdirectcontactcondensationintheabsenceofnoncondensiblegasinalaboratory-scalecolumnwiththeinnerdiameterof325mmandtheheightof1045mm.Weappliedanewanalysismethodforthesteamstateequationtoanalyzethemolarquantitychangeinsteamoverthecourseoftheexperimentanddeterminedthetransientsteamvariation.Wealsoinvestigatedtheinfluenceofflowratesandtemperaturesofcoolingwaterontheefficiencyofsteamcondensation.Ourexperimentalresultsshowthatappropriateincreasingofthecoolingwaterflowratecansignificantlyacceleratethesteamcondensation.Weachievedarapidincreaseinthetotalvolumetricheattransfercoefficientbyincreasingtheflowrateofcoolingwater,whichindicatedahigherthermalconvectionbetweenthesteamandthecoolingwaterwithhigherflowrates.Wefoundthatthetemperatureofcoolingwaterdidnotplayanimportantroleonsteamcondensation.Thismethodwasconfirmedtobeeffectiveforrapidrecoveringofsteam.
出版日期
2018年02月12日（中国期刊网平台首次上网日期，不代表论文的发表时间）
