He Yafeng, Dong Lifang, Liu Weili, Wang Hongfang, Zhao Zengchao, Fan Weili
College of Physics Science & Technology, Hebei University, Baoding, 071002, China.
Phys Rev E Stat Nonlin Soft Matter Phys. 2007 Jul;76(1 Pt 2):017203. doi: 10.1103/PhysRevE.76.017203. Epub 2007 Jul 13.
We report on the observation of a white-eye pattern in an air dielectric barrier discharge. The patterned discharges undergo a development as follows: random spots-quasihexagonal pattern-hexagonal pattern (type I)-hexagonal pattern (type II)-white-eye pattern-chaos, as the voltage is increased. The spatiotemporal characteristics of the patterned discharges are investigated by using an optical method. Results show that the two discharge modes, uniform mode and filamentary mode, are actually two different spatial presentations of the same origin: the microdischarge. From the viewpoint of pattern dynamics, the white-eye pattern results from a three-wave resonance interaction.
我们报道了在空气介质阻挡放电中观察到的白眼图案。随着电压升高,图案化放电按以下方式发展:随机斑点 - 准六边形图案 - 六边形图案(I型) - 六边形图案(II型) - 白眼图案 - 混沌。通过光学方法研究了图案化放电的时空特性。结果表明,均匀模式和丝状模式这两种放电模式实际上是同一起源——微放电的两种不同空间表现形式。从图案动力学的角度来看,白眼图案是由三波共振相互作用产生的。