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dc.contributor.authorErdoğan, Maide
dc.contributor.authorÜnal, Emin
dc.contributor.authorAlkurt, Fatih Özkan
dc.contributor.authorAbdulkarim, Yadgar, I.
dc.contributor.authorDeng, Lianwen
dc.contributor.authorKaraaslan, Muharrem
dc.date.accessioned2020-11-27T12:20:58Z
dc.date.available2020-11-27T12:20:58Z
dc.date.issued2020en_US
dc.identifier.citationErdoğan, M., Ünal, E., Özkan Alkurt, F., Abdulkarim, Y.I., Deng, L., Karaaslan, M. (2020). Determination of frying sunflower oil usage time for local potato samples by using microwave transmission line based sensors. Measurement: Journal of the International Measurement Confederation, 163, art. no. 108040. https://doi.org/10.1016/j.measurement.2020.108040en_US
dc.identifier.urihttps://doi.org/10.1016/j.measurement.2020.108040
dc.identifier.urihttps://hdl.handle.net/20.500.12508/1412
dc.description.abstractAmount of oil usage time can be determined by microwave measurements instead of using complex laboratory equipments to measure oil parameters such as viscosity, base number, refractive index, acid numbers, density, water substances, etc. Microwave measurements are easy and offer clear results to indicate oil quality and lifetime. In microwave measurements, there are two main parameters: dielectric constant value "epsilon", and loss tangent value "tan delta" that can be used as indicators for identifying any material or medium which will be oil substances in our case. When the dielectric constant value "epsilon" of frying sunflower oil is measured, changes in the dielectric constant and loss tangent of the used oil relative to the unused pure sunflower oil can specify the presence of contaminant materials such as water and particles, or changes in the chemistry of the oil. In this study, we propose two different sensor structures to determine the usage amount of sunflower oil in frying. Before the sensor design, dielectric constants and loss tangent values of various time fried oil samples were measured in 4-8 GHz band. Each sensor structures designed as two port transmission line and operating in 4-8 GHz band. Designed first sensor has two advantages including the resonance shifts on return loss (S11) at around 5.45 GHz and another resonance shifts on transmission (S21) of 150 MHz, 100 MHz and 200 MHz at 4.4 GHz, at 5.4 GHz and at 7.6 GHz, respectively. The second sensor has a resonance shift only on transmission (S21) characteristic between the frequencies of 4 GHz and 6 GHz with approximately 100 MHz band. Finally, each sensor structures were fabricated and experimental measurements were conducted by using the vector network analyzer in microwave laboratory and accurate results were obtained and well match is observed with simulation results. According to experiment, proposed structures are reliable and also have advantages such as easy fabrication, low cost, high sensing performance and real time measurement. Designed sensors have higher sensing performances than its counterparts and they can be used to determine lifespan of frying oil samples in various applications. (C) 2020 Elsevier Ltd. All rights reserved.en_US
dc.language.isoengen_US
dc.publisherElsevieren_US
dc.relation.isversionof10.1016/j.measurement.2020.108040en_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectOilen_US
dc.subjectDielectricen_US
dc.subjectSensoren_US
dc.subjectTransmission lineen_US
dc.subjectMicrowaveen_US
dc.subject.classificationEngineering
dc.subject.classificationMultidisciplinary
dc.subject.classificationInstruments & Instrumentation
dc.subject.classificationRing Resonator | Microwave Sensors | Metamaterials
dc.subject.otherDielectric-properties
dc.subject.otherOptical-properties
dc.subject.otherEdible oils
dc.subject.otherTemperature
dc.subject.otherMorphology
dc.subject.otherMilk
dc.subject.otherDielectric materials
dc.subject.otherElectric lines
dc.subject.otherElectric network analyzers
dc.subject.otherMicrowave measurement
dc.subject.otherMicrowaves
dc.subject.otherParameter estimation
dc.subject.otherRefractive index
dc.subject.otherResonance
dc.subject.otherSunflower oil
dc.subject.otherContaminant materials
dc.subject.otherDielectric constant values
dc.subject.otherLaboratory equipments
dc.subject.otherMicrowave transmission line
dc.subject.otherReal time measurements
dc.subject.otherReturn losses (S11)
dc.subject.otherSensing performance
dc.subject.otherVector network analyzers
dc.subject.otherMicrowave sensors
dc.titleDetermination of frying sunflower oil usage time for local potato samples by using microwave transmission line based sensorsen_US
dc.typearticleen_US
dc.relation.journalMeasurement: Journal of the International Measurement Confederationen_US
dc.contributor.departmentMühendislik ve Doğa Bilimleri Fakültesi -- Elektrik-Elektronik Mühendisliği Bölümüen_US
dc.identifier.volume163en_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.contributor.isteauthorErdoğan, Maide
dc.contributor.isteauthorÜnal, Emin
dc.contributor.isteauthorAlkurt, Fatih Özkan
dc.contributor.isteauthorKaraaslan, Muharrem
dc.relation.indexWeb of Science - Scopusen_US
dc.relation.indexWeb of Science Core Collection - Science Citation Index Expanded


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