MECHANICAL AND THERMAL STRUCTURE OF A CYLINDRICAL PLUME IN THE EARTH'S MANTLE
MECHANICAL AND THERMAL STRUCTURE OF A CYLINDRICAL PLUME IN THE EARTH’S MANTLE作者机构：Institute of Mechanics Academia Sinica Beijing Institute of Geophysics Kiel University D-2300 Kiel West Germany Mathematical Division Medical College of Beijing
出 版 物：《Science China Chemistry》 (中国科学:化学(英文版))
年 卷 期：1985年第28卷第1期
页 面：92-100页
核心收录：
主 题：viscosity rheological chains mantle narrow cylindrical understood spots radial island
摘 要：A mantle plume is understood as a hot, narrow, upwelling flow in the earth s mantle and accompanied by an efficient transfer of mass and energy from deep to upper layer of the earth. The cylindrical plume in earth s mantle plays an important role in explaining the origin of the surface hot spots and linear island chains. From the basic hydrodynamical equations, the detailed mechanical and thermal structure of a cylindrical plume of Newtouian fluids with temperature and pressure-dependent viscosity are given in the present paper. For two sets of rheological parameters the radial profiles of upward velocity, temperature and viscosity in the plume and radiuses of the plume at various depths have been calculated.
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