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authorAaron LI <aly@aaronly.me>2018-11-08 18:19:54 +0800
committerAaron LI <aly@aaronly.me>2018-11-08 18:19:54 +0800
commitaf5e91235e53c60feb7245baf55660606ddf8d77 (patch)
tree08c43171d0e7dcd1c6e2ba219b8bc47409738f32 /fg21sim/configs
parent1f21e9e5a4ad8290bf53187ffe978e74ad94e50d (diff)
downloadfg21sim-af5e91235e53c60feb7245baf55660606ddf8d77.tar.bz2
clusters/halo: Adopt new method for _velocity_turb()
Adopt a new method to calculate the turbulence velocity dispersion. First, the kinetic energy released by the merger is estimated as the work done by the in-falling sub-cluster crossing the main cluster. Second, a fraction of the kinetic energy is assumed to be transferred into the turbulence. The turbulence mass is calculated as the gas mass enclosed within the turbulence region. Finally, the turbulence velocity dispersion is derived.
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