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首页> 外文期刊>JSME International Journal. Series B, Fluids and Thermal Engineering >Effects of Addition of Carbon Dioxide on Thermal Characteristics in Oxygen-Enriched Hydrogen Flame
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Effects of Addition of Carbon Dioxide on Thermal Characteristics in Oxygen-Enriched Hydrogen Flame

机译：二氧化碳的添加对富氧氢气火焰热特性的影响

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摘要

An experimental study has been conducted to evaluate the effects of CO{sub}2 addition on thermal behavior in oxygen-enriched hydrogen flame. Experiments were performed on flames stabilized by a co-flow swirl burner, which was mounted on top of the furnace. Several different oxidizer compositions were prepared by volumetrically replacing N{sub}2 by CO{sub}2. In a steady state, the total as well as radiative heat flux from the flame to the wall of furnace has been measured using a heat flux meter. Temperature distribution in furnace has been also measured and compared. By increasing CO{sub}2 proportion in the oxidizer, the convection became to play a more significant role rather than radiation due to heat blockage effect. Overall temperature in the furnace was seen to decrease, while the total heat flux has increased.
机译：已经进行了实验研究以评估CO {sub} 2添加对富氧氢火焰中热行为的影响。实验是通过安装在炉子顶部的并流旋流燃烧器稳定的火焰进行的。通过用CO {sub} 2置换N {sub} 2来制备几种不同的氧化剂组合物。在稳态下，已经使用热通量计测量了从火焰到炉壁的总热通量和辐射热通量。还测量并比较了炉中的温度分布。通过增加氧化剂中的CO {sub} 2比例，由于热阻隔效应，对流比辐射起着更重要的作用。观察到炉内的总温度下降，而总热通量却增加了。

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