Publication: Precision density and viscosity measurement using two cantilevers with different widths
dc.contributor.coauthor | Kılınç, Necmettin | |
dc.contributor.coauthor | Yaralıoğlu, G. G. | |
dc.contributor.department | Department of Electrical and Electronics Engineering | |
dc.contributor.department | Department of Mechanical Engineering | |
dc.contributor.department | Graduate School of Sciences and Engineering | |
dc.contributor.kuauthor | Çakmak, Onur | |
dc.contributor.kuauthor | Ermek, Erhan | |
dc.contributor.kuauthor | Ürey, Hakan | |
dc.contributor.schoolcollegeinstitute | College of Engineering | |
dc.contributor.schoolcollegeinstitute | College of Sciences | |
dc.contributor.schoolcollegeinstitute | GRADUATE SCHOOL OF SCIENCES AND ENGINEERING | |
dc.date.accessioned | 2024-11-10T00:03:00Z | |
dc.date.issued | 2015 | |
dc.description.abstract | Weintroduceanovelmethodforfastmeasurementofliquidviscosityanddensityusingtwocantilevers withdifferentgeometries.Ourmethodcanbeusedforreal-timemonitoringinlabonchipsystemsand offerhighaccuracyforalargerangeofdensitiesandviscosities.Themeasurementprincipleisbasedon trackingtheoscillationfrequenciesoftwocantileverswithaphase-lockedloop(PLL)andcomparingwith referencemeasurementswithaknownfluid.Asetofequationsandasimplealgorithmisdevelopedto relatethedensityandtheviscositytothefrequencyshiftsofthecantilevers.Wefoundthattheeffectof thedensityandtheviscositycanbewellseparatedifcantilevershavedifferentwidths.Intheexperiments, twoNickelmicrocantilevers(widths25 mand100 m,length:200 m,thickness:1.75 m)werefully immersedintheliquidandthetemperaturewascontrolled.TheactuationwasusinganexternalelectrocoilandtheoscillationsweremonitoredusinglaserDopplervibrometer.Thus,electricalconnectionsto thecantileversarenotrequired,enablingmeasurementsalsoinconductiveliquids.ThePLLisusedto setthephasedifferenceto90◦betweentheactuatorandthesensor.Calibrationmeasurementswere performedusingglycerolandethyleneglycolsolutionswithknowndensitiesandviscosities.Themeasurementerrorwiththenewmethodwaslowerthan3%indensityintherange995–1150kg/m3and 4.6%inviscosityintherange0.935–4mPa.s.Basedonthesignal-to-noiseratio,theminimumdetectable differenceintheviscosityis1 Pa.sandthedensityis0.18kg/m3.Furtherimprovementsintherange andtheaccuracyarepossibleusing3ormorecantileverswithdifferentgeometries. | |
dc.description.indexedby | WOS | |
dc.description.indexedby | Scopus | |
dc.description.openaccess | NO | |
dc.description.publisherscope | International | |
dc.description.sponsoredbyTubitakEu | N/A | |
dc.description.volume | 232 | |
dc.identifier.doi | 10.1016/j.sna.2015.05.024 | |
dc.identifier.issn | 0924-4247 | |
dc.identifier.quartile | Q2 | |
dc.identifier.scopus | 2-s2.0-84931259629 | |
dc.identifier.uri | https://doi.org/10.1016/j.sna.2015.05.024 | |
dc.identifier.uri | https://hdl.handle.net/20.500.14288/16249 | |
dc.identifier.wos | 361408000016 | |
dc.language.iso | eng | |
dc.relation.ispartof | Sensors and Actuators A-Physical | |
dc.subject | Engineering | |
dc.subject | Electrical electronic engineering | |
dc.subject | Instruments | |
dc.subject | Instrumentation | |
dc.title | Precision density and viscosity measurement using two cantilevers with different widths | |
dc.type | Journal Article | |
dspace.entity.type | Publication | |
local.contributor.kuauthor | Çakmak, Onur | |
local.contributor.kuauthor | Ermek, Erhan | |
local.contributor.kuauthor | Ürey, Hakan | |
local.publication.orgunit1 | GRADUATE SCHOOL OF SCIENCES AND ENGINEERING | |
local.publication.orgunit1 | College of Sciences | |
local.publication.orgunit1 | College of Engineering | |
local.publication.orgunit2 | Department of Mechanical Engineering | |
local.publication.orgunit2 | Department of Electrical and Electronics Engineering | |
local.publication.orgunit2 | Graduate School of Sciences and Engineering | |
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