Page 212 - 《水资源与水工程学报》2023年第5期
P. 212
2 0 8 & ' ( ) & * + , - 2023 $
98.1%,respectively.Astheparticlesizeincreases,theeffectivefiltrationefficiencyoftheparticlegroup
alsoincreasesgradually ,indicatingthatthefiltrationefficiencyofthescreenforthecoarseparticlegroupis
significantlygreaterthanthatforthefineparticlegroup,whichfurtherprovestherationalityoftheproposed
effectivefiltrationefficiencyinthisstudy.Theresearchresultscanprovideacalculationbasisforamoreac
curateandcomprehensiveevaluationofthefiltrationeffectofthescreenfilter ,andsupplementtheinsuffi
ciencyofthecalculationmethodoffiltrationefficiencyintheexistingspecifications.
Keywords:screenfilter;filterscreen;effectivefiltrationefficiency;sandcontent;particlegroupsizedis
tribution ;prepump
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