细胞流中的冻结锋
Frozen fronts in cellular flows
摘要：
我们目前的实验行为的反应前在有序和无序的细胞流与施加风。锋在一个链的交替涡被发现冻结（针的分界线）为广泛的施加风，增长非线性的特征强度的基础涡。空间无序流动的实验表明，冻结的前端是常见的细胞流，此外，它是不依赖于边界条件。因此，我们预计类似的钉扎在广泛的细胞流和前端生产系统。
英文摘要：
We present experiments on the behavior of reaction fronts in ordered and disordered cellular flows with imposed winds. Fronts in a chain of alternating vortices are found to freeze (pin to the separatrix) for a wide range of imposed winds that grows nonlinearly with the characteristic strength of the underlying vorticity. Experiments in spatially-disordered flows demonstrate that freezing of fronts is common to cellular flows; furthermore, it is not dependent on boundary conditions. We therefore anticipate similar pinning in a wide range of cellular flows and front-producing systems.
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