中山大学航空航天学院, 广东 深圳 518107
林振华(1996年生),男;研究方向:发动机燃烧;E-mail:linzhh68@mail2.sysu.edu.cn
陈钱(1983年生),男;研究方向:空气动力学与燃烧学; E-mail:chenq289@mail.sysu.edu.cn
纸质出版日期:2024-09-25,
网络出版日期:2024-07-23,
收稿日期:2024-04-06,
录用日期:2024-05-07
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林振华,陈钱.表面电弧放电等离子体激励调控稳焰器的流动与燃烧[J].中山大学学报(自然科学版)(中英文),2024,63(05):115-124.
LIN Zhenhua,CHEN Qian.Flow and combustion control by surface arc discharge plasma actuation for flameholder[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2024,63(05):115-124.
林振华,陈钱.表面电弧放电等离子体激励调控稳焰器的流动与燃烧[J].中山大学学报(自然科学版)(中英文),2024,63(05):115-124. DOI: 10.13471/j.cnki.acta.snus.ZR20240103.
LIN Zhenhua,CHEN Qian.Flow and combustion control by surface arc discharge plasma actuation for flameholder[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2024,63(05):115-124. DOI: 10.13471/j.cnki.acta.snus.ZR20240103.
针对表面电弧放电等离子体激励对稳焰器的调控问题,对表面电弧放电唯象模型的适用性进行了验证,并分析了不同激励位置和激励强度对稳焰器流场结构、燃料雾化、点火延迟以及火焰稳定性的影响。研究结果显示,不同激励位置对流场结构产生显著影响,尤其在激励能量有效集中时,形成强烈的激励区域,导致回流区膨胀,进而促进燃料雾化,减缓点火延迟及提高平均火焰温度。同时,随着激励强度的增加,回流区长度、混合效率和燃烧效率呈线性增加。
According to the control mechanism of surface arc discharge plasma actuation on the flow and combustion of flameholder, the applicability of the phenomenological model of surface arc discharge is verified. And, the effects of different actuation positions and actuation intensities on the flow field structure, fuel atomization, ignition delay and flame stability in the flameholder are systematically analyzed. The results show that different actuation positions have a significant impact on the flow field structure, especially when the actuation energy is effectively concentrated and a strong actuation region is formed, which leads to the expansion of the recirculation zone, which in turn promotes fuel atomization, slows down the ignition delay and increases the average flame temperature. At the same time, with the increase of actuation intensity, the length of the recirculation zone, the mixing efficiency and the combustion efficiency increased linearly.
蒸发式稳焰器流动燃烧表面电弧等离子体激励
flameholderflowcombustionsurface arc chargeplasma actuation
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