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首页> 外文期刊>Experimental Thermal and Fluid Science: International Journal of Experimental Heat Transfer, Thermodynamics, and Fluid Mechanics >Mesoscale combustion: a first step towards liquid fueled batteries
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Mesoscale combustion: a first step towards liquid fueled batteries

机译：中尺度燃烧：迈向液体燃料电池的第一步

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摘要

The development of a liquid fueled mesoscale catalytic combustor is presented, based on the coupling of multiplexed electrosprays for liquid fuel dispersion and a stack of catalytic grids. The grids act as a compact catalytic reactor for combustion initiation, stabilization and enhanced conversion, as well as ground electrodes for the electrospray. The combustor has a volume on the order of few cm(3) and operates on various fuels, including JP8 jet fuel, which is electrosprayed at a flow rate on the order of 10 g/h and equivalence ratios varying from 0.35 to 0.70. Temperatures in the range 900-1300 K are achieved with a +/-5% uniformity over the top circular surface of the burner. Using gas chromatographic analysis of the exhaust gases, a combustion efficiency in excess of 97% is estimated. This estimate was confirmed by exhaust gas composition measurements by photoionization mass spectrometry for operation with dodecane, the most abundant component of JP8. These measurements showed that alkenes and aldehydes are the major hydrocarbon products and that there is no significant molecular growth chemistry. The capability of the system to burn cleanly and efficiently even notoriously polluting fuels was demonstrated. (C) 2004 Elsevier Inc. All rights reserved.
机译：提出了一种基于液体燃料的中尺度催化燃烧器的开发方法，该方法基于用于液体燃料分散的多路电喷雾与催化栅堆的耦合。格栅充当用于燃烧引发，稳定化和增强转化的紧凑型催化反应器，以及电喷雾的接地电极。该燃烧器的容积约为几cm（3），可使用各种燃料（包括JP8喷气燃料）运行，JP8喷气燃料以10 g / h的流量电喷雾，当量比从0.35到0.70不等。在燃烧器的顶部圆形表面上以+/- 5％的均匀度实现900-1300 K范围内的温度。使用废气的气相色谱分析，燃烧效率估计超过97％。该估计值是通过用光电离质谱法测量废气成分而确定的，该废气成分是使用JP8含量最高的十二烷进行操作的。这些测量表明，烯烃和醛是主要的烃产物，并且没有明显的分子生长化学。证明了该系统具有清洁，有效燃烧甚至污染严重的燃料的能力。 （C）2004 Elsevier Inc.保留所有权利。

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