Opticalmethodologiesofferaverypreciseandaccurateapproach
tomonitorlubricantconditions.Duringthedegradationprocessof
enginelubricant,itsopticalproperties,e.g.color,transparency,refrac-
tiveindex,absorbance, etc changesignificantly.Measuringthechanges
in theopticalpropertiesandcorrelatingthemtotheactualqualityof
the lubricantallowsmonitoringtheengineandlubricantcondition.
Kumaretal. [8] studiedtheuseofacolorintensitysensortomonitor
conditionofenginelubricanton-line.Inthisstudy,theintensityof
lightemittedthroughathinlayeroflubricantwasmeasuredanda
correlationbetweensensoroutputandlubricantopticalconditionwas
found. Yinetal. [9] proposedanon-linemonitoringsystemfor
analyzingwearparticlesindieselengine lubricant.Thisresearchwork
has combinedaninductivetransducertodetectlargeferrousandnon-
ferrousweardebriswitha fiberoptictransducertomonitorthe
presenceofsmallparticlesandcontaminantlevels.
OpticalmethodologiesofferaverypreciseandaccurateapproachtomonitorlubricantconditionsDuringthedegradationprocessofenginelubricant,itsopticalproperties,e.g.color,transparency,refrac-tiveindex, absorbance, changesignificantly เป็นต้นMeasuringthechangesใน theopticalpropertiesandcorrelatingthemtotheactualqualityoflubricantallowsmonitoringtheengineandlubricantconditionKumaretal [8] studiedtheuseofacolorintensitysensortomonitorconditionofenginelubricanton-บรรทัดInthisstudy, theintensityoflightemittedthroughathinlayeroflubricantwasmeasuredandacorrelationbetweensensoroutputandlubricantopticalconditionwasพบ Yinetal [9] proposedanon-linemonitoringsystemforน้ำมันหล่อลื่น analyzingwearparticlesindieselengineThisresearchworkมี combinedaninductivetransducertodetectlargeferrousandnon-ferrousweardebriswitha fiberoptictransducertomonitorthepresenceofsmallparticlesandcontaminantlevels
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