Analyzing characters of plasma wake with method of chaos dynamics

In this paper, analyzing the experiment data of multiple scanning probes in the are wind-driven hypersonic plasma hows with the chaos dynamics method, we have obtained the power spectrum, the frequency wavenumber spectral den sity, the correlation dimension and Kolmogorov entropy of the hows, respect ively. The distribution of correlation dimension and Kolmogorov entropy of the blunt cone wakes along the axis and the radius of the hows are presente d successfully in the flows. The distributions dearly show the structure of turbulence and lamination in blunt cone wakes. Using the method of minimum Kolmogorov entropy, we observed the structure of the bow shock at far wake region in the blunt cone wakes.