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首页> 外文期刊>International journal of green energy >POOL FIRES OF BIOFUELS AND THEIR BLENDS WITH PETROLEUM DIESEL
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POOL FIRES OF BIOFUELS AND THEIR BLENDS WITH PETROLEUM DIESEL

机译：生物燃料的油污及其与石油柴油的混合物

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摘要

The combustion characteristics of pool fires of biofuels, canola methyl ester (CME), soy methyl ester (SME), and their blends with a petroleum fuel (No. 2 diesel) were studied. The fuels were burned in cups of two sizes (0.042 m and 0.057 m in diameter and 0.038 m height) that simulated convection-dominated small pool fires of liquids. Blends of CME and SME with diesel fuel were tested with biofuel concentrations of 25, 50, and 75% by volume. The mass burn rate, the fuel surface regression rate, the radiation emission from the flames, the flame temperature field, and the emission indices of CO and NOx were recorded. The fuel surface regression rate in both containers was comparable. Both the fuel mass burning rate and surface regression rate varied non-monotonically with the volume concentration of biofuel in the blend. The radiation fraction of heat release and the temperature profiles were similar for all the flames. The CO emission index decreased with the biofuel content in the fuel. The NOx emission index did not show a systematic and significant dependence on the fuel blend; however, it was smaller than that measured in the turbulent gas jet and liquid spray flames of the corresponding fuels.
机译：研究了生物燃料，低芥酸菜子甲酯（CME），大豆甲酯（SME）以及它们与石油燃料（2号柴油）的混合物的池火燃烧特性。燃料在两种尺寸（直径分别为0.042 m和0.057 m和高度0.038 m的杯子）中燃烧，以模拟以对流为主的小型液体着火。测试了CME和SME与柴油的共混物的生物燃料浓度，分别为25、50和75％（体积）。记录质量燃烧率，燃料表面退化率，火焰辐射，火焰温度场以及CO和NOx的排放指数。在两个容器中的燃料表面退化率是可比的。燃料质量燃烧速率和表面回归速率均随混合物中生物燃料的体积浓度非单调变化。对于所有火焰，放热的辐射分数和温度曲线都是相似的。 CO排放指数随着燃料中生物燃料含量的降低而降低。 NOx排放指数并未显示出对燃料混合物的系统性和显着依赖性；但是，它比相应燃料的湍流气体喷射和液体喷射火焰中所测得的要小。

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  • 来源
    《International journal of green energy》 |2014年第10期|595-610|共16页
  • 作者

    V. Tran; C. Morton; R. N. Parthasarathy; S. R. Gollahalli;

  • 作者单位

    School of Aerospace and Mechanical Engineering, University of Oklahoma, Norman, Oklahoma, USA;

    School of Aerospace and Mechanical Engineering, University of Oklahoma, Norman, Oklahoma, USA;

    School of Aerospace and Mechanical Engineering, University of Oklahoma, Norman, OK 73019, USA;

    School of Aerospace and Mechanical Engineering, University of Oklahoma, Norman, Oklahoma, USA;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Pool fires; Diesel; Biofuels; Emissions;

    机译：泳池大火;柴油机;生物燃料;排放物;

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