GEOTHERMAL FEATURES OF THE EARTH'S LOWER MANTLE: PHONON THERMAL CONDUCTIVITY

Slawomir MAJ

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GEOTHERMAL FEATURES OF THE EARTH'S LOWER MANTLE: PHONON THERMAL CONDUCTIVITY

机译：下地幔的地热特征：声子热导率

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A modified relationship between the phonon thermal conductivity and seismic parameter Φ for silicate/oxide geomaterials is derived. The considerations are based on Debye's model of solids and on the seismic equation of state. This new relationship suggests that the phonon thermal conductivity values at the mantle/core boundary may be of about 11-14 W/m·K. Our result is in a sufficient agreement with independent laboratory data from the laser-heated diamond-anvil cell at very high pressures.

机译：推导了硅酸盐/氧化物土工材料的声子热导率与地震参数Φ之间的修正关系。这些考虑均基于Debye固体模型和地震状态方程。这种新的关系表明，在地幔/核边界处的声子热导率值可能约为11-14 W / m·K。我们的结果与在非常高的压力下来自激光加热的金刚石-砧座电池的独立实验室数据充分吻合。

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来源
《Acta Geophysica Polonica》 |2005年第2期|p.183-196|共14页
作者
Slawomir MAJ;
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作者单位

Institute of Geophysics, Polish Academy of Sciences ul. Ksiecia Janusza 64, 01-452 Warszawa, Poland;

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原文格式 PDF
正文语种 eng
中图分类地球物理学;
关键词
phonon thermal conductivity; seismic parameter Φ; lower mantle; geothermics;

机译：声子热导率;地震参数Φ;下地幔;地热;

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GEOTHERMAL FEATURES OF THE EARTH'S LOWER MANTLE: PHONON THERMAL CONDUCTIVITY

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