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中文摘要：
碳黑沉积法是一种测量火焰中碳黑容积份额的新方法,它通过将热电偶快速插入到火焰中的不同位置让碳黑在热电偶节点上沉积然后利用这段时间内记录的节点温度值计算出火焰中不同位置处的碳黑容积份额,但其用于非预混乙烯火焰检测时存在三大影响因素:热电偶偶丝的导热,沉积到热电偶节点上碳黑的密度数值和碳黑颗粒团直径数值,这些参数在以往的研究中采用的都是经验数据,误差较大。该文针对这三大因素采用数值模拟的方法对他们对检测结果的影响进行了分析。发现在这3个易被忽略的因素中,偶丝导热和节点上碳黑密度对检测结果有较大影响,而碳黑颗粒团的直径数值则影响不大。
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