Concentration measurements of biodiesel in engine oil and in diesel fuel

CATEGORY: DIESEL
25th International Congress on Condition Monitoring and Diagnostic Engineering, Journal of Physics: Conference Series 364 (2012)
Concentration measurements of biodiesel in engine oil and in diesel fuel
A Mäder 1,a, M Eskiner 2,a, C Burger 3,a, W Ruck 4,b, M Rossner 5,a and J Krahl 6,a
alexmaeder@me.com
eskiner@hs-coburg.de
burger@hs-coburg.de
ruck@leuphana.de
rossner@hs-coburg.de
krahl@hs-coburg.de
A University of Applied Sciences and Arts, Friedrich Str. Strasse 2, 96450 Coburg - Ger
B University of Lüneburg – Leuphana, Scharnhornstrasse 1, 2133 Lüneburg - Ger
Abstract.
Describes a method for concentration measurements of biodiesel in engine oil as well as biodiesel in diesel fuel by a measurement of the permittivity of the mixture at a frequency range from 100 Hz to 20 kHz. For this purpose a special designed measurement cell with high sensitivity was designed. The results for the concentration measurements of biodiesel in the engine oil and diesel fuel shows linearity to the measurement cell signal for the concentration of biodiesel in the engine oil between 0.5% Vol. to 10% Vol. and for biodiesel in the diesel fuel between 0% Vol. to 100% Vol. The method to measure the concentration of biodiesel in the engine oil or the concentration of biodiesel in the diesel fuel is very accurate and low concentration of about 0.5% Vol. biodiesel in engine oil or in diesel fuel can be measured with high accuracy.
Authors introduce a method for concentration measurements of biodiesel in engine oil or diesel fuel. Blends from biodiesel/diesel fuel and biodiesel/engine oil were measured at different frequencies by a special designed capacitive cell (in the following called sensor) and the concentration of biodiesel in the mixture was calculated by the measured permittivity. The method of the concentration measurement and the measurement results will be explained in detail, focused on the concentration measurements of biodiesel in engine oil. Further approaches to use the sensor´s abilities to measure the amount of biodiesel in diesel fuel will also be made and discussed in order to expand the field of application of the sensor.
Free Full Text Source: http://iopscience.iop.org/1742-6596/364/1/012018