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updated constants to 2006 CODATA recommendations

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This commit is contained in:
Dave Goodwin
2007-12-17 14:22:39 +00:00
parent a1c481ca5a
commit 355ef35537
1 changed files with 6 additions and 8 deletions
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14
Cantera/src/base/ct_defs.h
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@@ -74,11 +74,9 @@ namespace Cantera {
//@{
/// Avogadro's Number
const doublereal Avogadro = 6.022136736e26;
const doublereal Avogadro = 6.02214179e26; // /kmol
//const doublereal GasConstant = 8314.0;
/// Universal Gas Constant. 1999 CODATA value.
/// Universal Gas Constant. 2006 CODATA value.
const doublereal GasConstant = 8314.47215; // J/kmol/K
const doublereal logGasConstant = 9.025752908;
@@ -93,13 +91,13 @@ namespace Cantera {
const doublereal Boltzmann = GasConstant / Avogadro;
/// Planck's constant. Units of J-s
const doublereal Planck = 6.626068e-34; // J-s
const doublereal Planck_bar = 1.05457148e-34; // m2-kg/s
const doublereal Planck = 6.62606896e-34; // J-s
const doublereal Planck_bar = 1.05457162853e-34; // m2-kg/s
/// log(k/h)
const doublereal logBoltz_Planck = 23.7599032; // ln(k_B/h)
/// Stefan-Boltzmann constant
const doublereal StefanBoltz = 5.67e-8;
const doublereal StefanBoltz = 5.6704004e-8;
//@}
/// @name Electron Properties
@@ -114,7 +112,7 @@ namespace Cantera {
//@{
/// Permittivity of free space \f$ \epsilon_0 \f$ in F/m.
const doublereal epsilon_0 = 8.8542e-12; // Farads/m = C^2/N/m^2
const doublereal epsilon_0 = 8.85417817e-12; // Farads/m = C^2/N/m^2
/// Permeability of free space \f$ \mu_0 \f$ in N/A^2.
const doublereal permeability_0 = 4.0e-7*Pi; // N/A^2