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Rundeck: E6TomaF40

Created: Fri May 17 03:30:39 EDT 2024

mean_molecular_speed

Module:

File: TRCHEM_master.f

Summary: Function that returs the mean molecular speed [m s-1] of a gaseous molecule with a molecular weight of mw [kg mol-1] at temperature t [K]. The equation used is v = sqrt(8 * Kb * T / (pi * mw)).
Author : Kostas Tsigaridis
Version:

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Declaration:

real*8 function mean_molecular_speed(t, mw)

Variables:

pi : used from constant

gasc : used from constant

avog : used from constant

t : real*8, intent(in)

Temperature [K]

mw : real*8, intent(in)

Molecular weight [kg mol-1]

kboltj : real*8, parameter

Boltzmann constant (=R/Na) [J K-1, or kg m2 s-2 K-1]
Initial Value = gasc/avog

smw : real*8

Single molecule weight [kg]