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CHARACTERIZATION OF CHANGES IN FUEL CONTENT AT MICROWAVE FREQUENCIES
Abstract
Fuel quality is critical to maintaining efficiency in motor vehicles. In this study, a microwave sensor that is repeatable and applicable, exhibiting high sensitivity to changes in dielectric parameters, was proposed and examined in detail, particularly for the detection of compositional changes in diesel fuel due to kerosene. The proposed reflection-based sensor performs well by achieving a reflection response value of -64.96 dB at the 4.74 GHz resonance frequency. The performance of the sensor was tested by placing samples directly covering the entire sensor surface. The reflection response of the proposed sensor was determined by adulterating the pure diesel sample with different rates of kerosene. The proposed sensor observed resonance frequency shifts of 93 MHz, 189 MHz, and 234 MHz for 10%, 20%, and 30% doped samples, respectively, indicating that the sensor can effectively distinguish these adulterations. The proposed microwave sensor shows higher performance compared to existing sensors in the literature, with a quality factor of 4740, a normalized sensitivity of 6.33%, and a Figure of Merit value of 30004.2.
Keywords
Kaynakça
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Ayrıntılar
Birincil Dil
Türkçe
Konular
Mühendislik Elektromanyetiği
Bölüm
Araştırma Makalesi
Yayımlanma Tarihi
3 Mart 2026
Gönderilme Tarihi
29 Aralık 2024
Kabul Tarihi
2 Şubat 2026
Yayımlandığı Sayı
Yıl 1970 Cilt: 29 Sayı: 1