首页> 外文期刊>The Astrophysical journal >ANISOTROPIC THERMAL CONDUCTION IN SUPERNOVA REMNANTS: RELEVANCE TO HOT-GAS FILLING FACTORS IN THE MAGNETIZED INTERSTELLAR MEDIUM
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ANISOTROPIC THERMAL CONDUCTION IN SUPERNOVA REMNANTS: RELEVANCE TO HOT-GAS FILLING FACTORS IN THE MAGNETIZED INTERSTELLAR MEDIUM

机译:超新星残渣中的各向异性热传导:与磁化星际介质中热气填充因子的关系

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摘要

We explore the importance of anisotropic thermal conduction in the evolution of supernova remnants by means of numerical simulations. The mean temperature of the bubble of hot gas is decreased by a factor of ~3 compared with simulations without thermal conduction, together with an increase in the mean density of hot gas by a similar factor. Thus, thermal conduction greatly reduces the volume of hot gas produced over the life of the remnant. This underscores the importance of thermal conduction in estimating the hot-gas filling fraction and emissivities in high-stage ions in Galactic and protogalactic interstellar media.
机译:通过数值模拟,我们探索了各向异性热传导在超新星残余演化中的重要性。与没有热传导的模拟相比,热气气泡的平均温度降低了约3倍,同时热气的平均密度也增加了类似的倍数。因此,热传导极大地减少了在剩余使用寿命内产生的热气量。这强调了热传导在估算银河系和原银河系星际介质中高级离子中的热气填充率和发射率方面的重要性。

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