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Application of mixture topological index method to predict the dynamic viscosity of the hypothetical acidic oils-based biodiesel fuels

机译:混合拓扑指数法在假设酸性油基生物柴油燃料动态粘度预测中的应用

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摘要

This work proposed a method to predict the dynamic viscosity values of the hypothetical acidic oils-based biodiesel fuels. A topological index that can formulate the molecular structural information of fatty acid methyl ester (FAME) components into dimensionless form was built from the integration and modification of the distance matrix and adjacency matrix of the molecular structure. Results show that both the caprylic acid (C8:0) and linoleic acid (C18:2) are beneficial components for reducing the biodiesel fuel's dynamic viscosity. Nine hypothetical acidic oils-based biodiesel fuels were made from the mixing of C8:0 or C18:2 with one vegetable oil at the same mass ratio, including peanut, canola, coconut, palm, soybean, com, rapeseed, sunflower and cottonseed oils, and the dynamic viscosity values of them were predicted. The dynamic viscosity values were ranged at 0.90-2.13 mPa s (with the addition of C8:0) and 2.83-4.07 mPa s (with the addition of C18:2). This investigation is expected to provide some suggestions for the selection of some components that are beneficial for reducing the product's dynamic viscosity, so that the atomization characteristic of a low-quality feed can be improved by adding some suitable components into it.
机译:这项工作提出了一种方法来预测假设的酸性油基生物柴油燃料的动态粘度值。从分子结构的距离矩阵和邻接矩阵的整合和修改,建立了可以将脂肪酸甲酯(FAME)的分子结构信息表示为无量纲形式的拓扑指数。结果表明,辛酸(C8:0)和亚油酸(C18:2)都是降低生物柴油燃料动态粘度的有益成分。九种假设的酸性油基生物柴油燃料是将C8:0或C18:2与一种植物油以相同的质量比混合而成,包括花生油,低芥酸菜籽油,椰子油,棕榈油,大豆油,玉米粉,菜籽油,向日葵油和棉籽油,并预测了它们的动态粘度值。动态粘度值的范围为0.90-2.13mPa.s(添加C8:0)和2.83-4.07mPa.s(添加C18:2)。该研究有望为某些组分的选择提供一些建议,这些组分有利于降低产品的动态粘度,从而可以通过向其中添加一些合适的组分来改善劣质饲料的雾化特性。

著录项

  • 来源
    《Renewable energy》 |2012年第2012期|p.152-158|共7页
  • 作者单位

    School of Metallurgy and Chemical Engineering, Jiangxi University of Science and Technology, Canzhou 341000, Jiangxi, China;

    School of Metallurgy and Chemical Engineering, Jiangxi University of Science and Technology, Canzhou 341000, Jiangxi, China;

    School of Metallurgy and Chemical Engineering, Jiangxi University of Science and Technology, Canzhou 341000, Jiangxi, China;

    School of Metallurgy and Chemical Engineering, Jiangxi University of Science and Technology, Canzhou 341000, Jiangxi, China;

  • 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
  • 关键词

    biodiesel; acidic oil; dynamic viscosity; mixture topological index; structure and property;

    机译:生物柴油酸性油动态粘度混合拓扑指数结构与性质;

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