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Tailoring fiber grating sensors for assessment of highly refractive fuels

机译:量身定制光纤光栅传感器以评估高折射燃料

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摘要

Three approaches that allow the tailoring of long period gratings based refractometric sensors for concentration measurement in fuel blends are employed to assess the fuel quality in biodiesel and biodiesel-petrodiesel blend. To allow the analysis of fuel samples with refractive index higher than fiber cladding one, the samples refractive indices were changed by thermo-optic effect and by dilution in a standard substance with low refractive index. The obtained results show the sensor can detect oil concentration in biodiesel samples with resolution as better as 0.07percent and biodiesel concentration in biodiesel-petrodiesel samples with average resolution of 0.09percent.
机译:三种方法可用于量身定制用于燃料混合物中浓度测量的基于长周期光栅的折光传感器,以评估生物柴油和生物柴油-石油柴油混合物中的燃料质量。为了分析折射率高于纤维包覆层的燃料样品,可通过热光效应和稀释到低折射率的标准物质中来改变样品的折射率。获得的结果表明,该传感器可以检测出分辨率高达0.07%的生物柴油样品中的油浓度,并检测出平均分辨率为0.09%的生物柴油-石油柴油样品中的生物柴油浓度。

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