From d27d0118baff3287d298e4c035cc984e284cd9bf Mon Sep 17 00:00:00 2001 From: Aaron LI Date: Mon, 14 Aug 2017 21:43:29 +0800 Subject: clusters/halo.py: Rewrite electron acceleration coefficient calc * Adopt the electron acceleration coefficient formula from [cassano2005] * Rename method "_tau_acceleration()" to "_chi_acceleration()", and rewrite * Add property "kT_merger" * Also save "kT_merger" and "chi" into halos data Signed-off-by: Aaron LI --- fg21sim/configs/20-extragalactic.conf.spec | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'fg21sim/configs/20-extragalactic.conf.spec') diff --git a/fg21sim/configs/20-extragalactic.conf.spec b/fg21sim/configs/20-extragalactic.conf.spec index ee58c8d..c3e27bc 100644 --- a/fg21sim/configs/20-extragalactic.conf.spec +++ b/fg21sim/configs/20-extragalactic.conf.spec @@ -73,8 +73,9 @@ # Giant radio halos for clusters with recent major mergers [[halos]] - # Intensity of the turbulence acceleration. - beta_turb = float(default=1.0, min=0.2, max=3.0) + # Roughly the fraction of turbulence energy transformed to accelerate + # the electrons, describing the efficiency of turbulence acceleration. + eta_turb = float(default=0.3, min=0.1, max=1.0) # Ratio of the total energy injected into cosmic-ray electrons during # the cluster life to its total thermal energy. -- cgit v1.2.2