tc_kappa.c File Reference

#include "pluto.h"

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Functions
void	TC_kappa (double *v, double x1, double x2, double x3, double *kappar, double *kapnor, double *phi)

Function Documentation

void TC_kappa	(	double *	v,
		double	x1,
		double	x2,
		double	x3,
		double *	kappar,
		double *	kapnor,
		double *	phi
	)

Compute thermal conduction coefficients.

Parameters

[in]	v	array of primitive variables
[in]	x1	coordinate in the X1 direction
[in]	x2	coordinate in the X2 direction
[in]	x3	coordinate in the X3 direction
[out]	kpar	pointer to the conduction coefficient in the direction of magnetic field
[out]	knor	pointer to the conduction coefficient perpendicular to magnetic field
[out]	phi	pointer to the parameter controlling the magnitude of the saturated flux.

Definition at line 3 of file tc_kappa.c.

{
  double a0, T0, a, ap, scrh;

  ap = 4.412;
  T0 = 6.05736872274111e7;
  a0 = 1.e16/pow(T0,2.5);
  a = ap/a0;

  *phi = 1.0e14;

  scrh = v[RHO] * a * pow(v[PRS]/v[RHO], 2.5) / (g_gamma - 1.0);

  *kappar = scrh;
  *kapnor = 0.0;

}

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