本文研究了常温常压不同过量空气系数下定容燃烧弹中对点电极加载不同电压时甲烷—空气预混燃烧火焰的传播与燃烧特性.结果表明:点电极加载电压后使得火焰传播速度变快,压力峰值变大,峰值到达时间缩短.混合气φa=0.8、1 0、1.2在加载电压为-5 kV时,火焰横向传播速度分别比未加电压时增加12.6%、2.3%、9.7%,压力峰值到达时间分别比未加电压时缩短5.9、0.3、5.1 ms;加载电压为-io kV时,火焰横向传播速度分别比未加电压时增加22.2%、9.6%、24.4%,压力峰值到达时间分别比未加电压时缩短9.9、3.7、11.8 ms.
参考文献
[1] | Sang Min Lee;Cheol Soo Park;Min Suk Cha;Suk Ho Chung .Effect of Electric Fields on the Liftoff of Nonpremixed Turbulent Jet Flames[J].IEEE Transactions on Plasma Science,2005(5):1703-1709. |
[2] | S.D. Marcum;B.N. Ganguly .Electric-field-induced flame speed modification[J].Combustion and Flame,2005(1/2):27-36. |
[3] | S.H. Won;S.K. Ryu;M.K. Kim;M.S. Cha;S.H. Chung .Effect of electric fields on the propagation speed of tribrachial flames in coflow jets[J].Combustion and Flame,2008(4):496-506. |
[4] | D.L. Wisman;S.D. Marcum;B.N. Ganguly .Electrical control of the thermodiffusive instability in premixed propane-air flames[J].Combustion and Flame,2007(4):639-648. |
[5] | Cha, M. S.;Lee, Y. .Premixed Combustion Under Electric Field in a Constant Volume Chamber[J].IEEE Transactions on Plasma Science,2012(12):3131-3138. |
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