From e3c07b150cb9ae18c0b8ba895631bd0c5f176651 Mon Sep 17 00:00:00 2001 From: Aaron LI Date: Thu, 26 Oct 2017 20:53:45 +0800 Subject: clusters/configs: Update f_acc default to 1.0; also update descriptions --- fg21sim/configs/20-extragalactic.conf.spec | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'fg21sim/configs') diff --git a/fg21sim/configs/20-extragalactic.conf.spec b/fg21sim/configs/20-extragalactic.conf.spec index a6f5eb7..664ce0e 100644 --- a/fg21sim/configs/20-extragalactic.conf.spec +++ b/fg21sim/configs/20-extragalactic.conf.spec @@ -154,11 +154,17 @@ # The custom option to tune the turbulent acceleration timescale, which # controls the relativistic particle acceleration efficiencies. - f_acc = float(default=1.5, min=0.1, max=10) + # NOTE: The smaller this parameter, the shorter the acceleration + # timescale, therefore the more efficient the turbulent acceleration. + f_acc = float(default=1.0, min=0.1, max=10) # The fraction of cluster thermal energy originating from turbulent # dissipation, which describes the turbulence intensity in the ICM, # and determines its Mach number. + # NOTE: Currently, this parameter only determines the turbulence Mach + # number, which affects only the turbulent acceleration efficiency, + # which is also controlled by the above ``f_acc`` parameter. + # So we can just *fix* this parameter to its default value. eta_turb = float(default=0.2, min=0.1, max=1.0) # Ratio of the total energy injected into cosmic-ray electrons during -- cgit v1.2.2