From 355ef35537ac53def72326ad58db40e19ffa238b Mon Sep 17 00:00:00 2001 From: Dave Goodwin Date: Mon, 17 Dec 2007 14:22:39 +0000 Subject: [PATCH] updated constants to 2006 CODATA recommendations --- Cantera/src/base/ct_defs.h | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/Cantera/src/base/ct_defs.h b/Cantera/src/base/ct_defs.h index 1fbedd40c..8d1c2c270 100755 --- a/Cantera/src/base/ct_defs.h +++ b/Cantera/src/base/ct_defs.h @@ -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