热电发电用丁烷多孔燃烧器的燃烧特性

IF 1.5 Q3 ENGINEERING, CHEMICAL
K. F. Mustafa, S. Abdullah, M. Z. Abdullah, K. Sopian
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引用次数: 8

摘要

本研究探讨了多孔燃烧器在热电发电中的应用。用丁烷气体对多孔燃烧器进行了测试,使用了两套结构:单层陶瓷和双层氧化铝和陶瓷堆叠。在燃烧器壁上安装了6个总面积为54 cm2的PbSnTe热电(TE)模块。散热片也被添加到TE模块的冷侧。在排气和回闪极限之间改变燃料-空气当量比,并记录相应的温度、电流-电压和排放量。当等效比为0.20 ~ 0.42时,堆积的双层瓷对燃烧效率有负影响,而当等效比为0.60 ~ 0.90时,单层瓷的燃烧效率有减小的趋势。堆积多孔介质的表面温度明显高于单层多孔介质。在两种多孔介质结构中,一氧化碳排放量都是独立的,但在低燃料-空气当量比下,单层陶瓷的一氧化碳排放量有适度的减少。氮氧化物对两种结构的贫燃料-空气等效比不敏感,即使在单层瓷的富区观察到轻微的降低。发现功率输出高度依赖于温度梯度。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Combustion Characteristics of Butane Porous Burner for Thermoelectric Power Generation
The present study explores the utilization of a porous burner for thermoelectric power generation. The porous burner was tested with butane gas using two sets of configurations: single layer porcelain and a stacked-up double layer alumina and porcelain. Six PbSnTe thermoelectric (TE) modules with a total area of 54 cm2 were attached to the wall of the burner. Fins were also added to the cold side of the TE modules. Fuel-air equivalence ratio was varied between the blowoff and flashback limit and the corresponding temperature, current-voltage, and emissions were recorded. The stacked-up double layer negatively affected the combustion efficiency at an equivalence ratio of 0.20 to 0.42, but single layer porcelain shows diminishing trend in the equivalence ratio of 0.60 to 0.90. The surface temperature of a stacked-up porous media is considerably higher than the single layer. Carbon monoxide emission is independent for both porous media configurations, but moderate reduction was recorded for single layer porcelain at lean fuel-air equivalence ratio. Nitrogen oxides is insensitive in the lean fuel-air equivalence ratio for both configurations, even though slight reduction was observed in the rich region for single layer porcelain. Power output was found to be highly dependent on the temperature gradient.
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来源期刊
Journal of Combustion
Journal of Combustion ENGINEERING, CHEMICAL-
CiteScore
2.00
自引率
28.60%
发文量
8
审稿时长
20 weeks
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