Determination of the composition of biodiesel-diesel blends using the dielectric constant

被引：9

作者：

Carvalho, Christian Diniz ^{[1
]}

Barros, Allan Kardec ^{[1
]}

Lopes, Marcus Vinicius ^{[1
]}

Silva, Fernando Carvalho ^{[1
]}

Santana, Ewaldo Eder ^{[2
]}

Mendes Sinfronio, Francisco Savio ^{[1
]}

机构：

[1] Univ Fed Maranhao, Dept Elect Engn, Ave Portugueses 1966, Sao Luis, Maranhao, Brazil

[2] Univ Estadual Maranhao, Dept Math, Sao Luis, Maranhao, Brazil

来源：

INSTRUMENTATION SCIENCE & TECHNOLOGY | 2016年 / 44卷 / 04期

关键词：

Biodiesel; blend determination; capacitance; dielectric constant; SPECTROSCOPY;

D O I：

10.1080/10739149.2015.1131714

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

There are many methods used to measure the composition of biodiesel in diesel. However, standard methods are limited by high cost and limited precision. Here is proposed a low-cost sensor to determine biodiesel in binary blends of biodiesel/diesel, using the dielectric constant. The concentrations were varied from 0-9% at frequencies from 100-2000Hz. The correlation curves between the dielectric constant and the biodiesel/diesel concentration included an adjustment factor of 0.992. Moreover, the values of the dielectric constant obtained for each blend were statistically distinct, yielding precise measurements.

引用

页码：377 / 385

页数：9

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