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>Radial variations of large-scale magnetohydrodynamic fluctuations in the solar wind
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Radial variations of large-scale magnetohydrodynamic fluctuations in the solar wind
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机译:太阳风中大尺度磁流体动力波动的径向变化
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摘要
Two time periods are studied for which comprehensive data coverage is available at both 1 AU using IMP-8 and ISEE-3 and beyond using Voyager 1. One of these periods is characterized by the predominance of corotating stream interactions. Relatively small scale transient flows characterize the second period. The evolution of these flows with heliocentric distance is studied using power spectral techniques. The evolution of the transient dominated period is consistent with the hypothesis of turbulent evolution including an inverse cascade of large scales. The evolution of the corotating period is consistent with the entrainment of slow streams by faster streams in a deterministic model.
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