Turbulence and the stability of molecular clouds
Turbulence and the stability of molecular clouds
复制标题
分子云的湍流和稳定性
DOI：
10.1086/158533
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发表时间：
1980
期刊：
影响因子：
--
通讯作者：
R. Fleck
中科院分区：
文献类型：
--
作者：
R. Fleck
分子云内部的湍流速度场可以使分子云稳定，防止引力坍缩。我们认为，来自银河系自转差异的能量可以维持星际介质中的湍流。星际湍流的特征衰减时间被认为是近似。10/sup 10/年。巨大分子云中星星形成的速率和效率反映了湍流的随机性。
Molecular clouds may be stabilized against gravitational collapse by the turbulent velocity field within them. It is suggested that the energy derived from differential galactic rotation can maintain the turbulent flow in the interstellar medium. The characteristic decay time for interstellar turbulence is found to be approx.10/sup 10/ years. The rate and efficiency of star formation in giant molecular clouds reflect the stochastic nature of turbulence.