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Subject Global Transonic Solutions of Planetary ...
Date 2016-10-17

Speech Title:Global Transonic Solutions of Planetary Atmospheric Escape Model in Hydrodynamic Region.

Time:104/11/25(三) 14:00~16:00。
Location:Gezhi Science Hall C305
Speaker:黃博峙博士 (中央大學數學系)

Spacecraft exploration of the planets in our solar system and the discovery
of exoplanets has been raised a great interest in atmospheric escape from
planetary objects. The hydrodynamic escape problem (HEP) is significant on
the study of the evolution of planetary atmospheres. In this talk, we
establish the global transonic solutions for hydrodynamic escape problem
(HEP), which is characterized by a free boundary value problem of Euler
equation with gravity and heat. The global existence of transonic solutions
to HEP is established by the generalized Glimm's method. The range of the
hydrodynamic escape region in planetary atmospheres will also be discussed.