The densities of three biodiesel fuels at temperatures up to 300 deg C

R. E. Tate; K. C. Watts; C. A. W. Allen

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The densities of three biodiesel fuels at temperatures up to 300 deg C

机译：三种生物柴油燃料在高达300摄氏度的温度下的密度

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摘要

In order to obtain the densities of biodiesel fuels at temperatures up to 300 deg C, a capacitance type liquid level meter was designed to measure the increase in volume of 50 ml of three commercial biodiesel fuels over the temperature range of 20-300 deg C. Densities were measured for methyl esters of canola and soy and ethyl esters offish-oil. The frequency output from the meter was linear with temperature and liquid level. Frequencies were recorded in kHz to within three decimal places and had sensitivities of 0.040 kHz/ deg C and - 2.740 kHz/cm for temperature and submergence depth, respectively. Derived densities were found to be linear with temperature over the measured range. Used in this fashion, the level meter can be considered a precise densitometer with a repeatability of 1 percent.

机译：为了获得在高达300摄氏度的温度下生物柴油燃料的密度，设计了一种电容式液位计，以测量在20-300摄氏度的温度范围内三种工业生物柴油燃料在50毫升中体积的增加。测量低芥酸菜子和大豆的甲酯和鱼油的乙酯的密度。仪表输出的频率与温度和液位成线性关系。频率以kHz记录到小数点后三位以内，其温度和浸入深度的灵敏度分别为0.040 kHz /℃和-2.740 kHz / cm。发现在测量范围内，得出的密度与温度呈线性关系。以这种方式使用的液位计可以被认为是一种精密的密度计，其重复性为1％。

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来源
《Fuel》 |2006年第8期|p.1004-1009|共6页
作者
R. E. Tate; K. C. Watts; C. A. W. Allen;
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作者单位

Department of Biological Engineering, Dalhousie University, P.O. Box 1000, Halifax, NS, Canada B3J 2X4;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类燃料化学工业（总论）;
关键词
Biodiesel; Density; Temperature;

机译：生物柴油密度温度;

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The densities of three biodiesel fuels at temperatures up to 300 deg C

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