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[Thermo] Fix documentation for PDSS_SSVol polynomials

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The polynomials as implemented are cubic, not quadratic or fourth order
This commit is contained in:
Ray Speth 2017-08-13 16:19:53 -04:00
parent 822cdc7d38
commit ee663c9b37
1 changed files with 6 additions and 6 deletions
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12
include/cantera/thermo/PDSS_SSVol.h
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@ -46,7 +46,7 @@ namespace Cantera
* - This standard state model is invoked with the keyword "temperature_polynomial".
* The standard state volume is considered a function of temperature only.
* \f[
* V^o_k(T,P) = a_0 + a_1 T + a_2 T^2 + a_3 T^3 + a_4 T^4
* V^o_k(T,P) = a_0 + a_1 T + a_2 T^2 + a_3 T^3
* \f]
*
* - Temperature polynomial for the standard state density
@ -54,7 +54,7 @@ namespace Cantera
* The standard state density, which is the inverse of the volume,
* is considered a function of temperature only.
* \f[
* {\rho}^o_k(T,P) = \frac{M_k}{V^o_k(T,P)} = a_0 + a_1 T + a_2 T^2 + a_3 T^3 + a_4 T^4
* {\rho}^o_k(T,P) = \frac{M_k}{V^o_k(T,P)} = a_0 + a_1 T + a_2 T^2 + a_3 T^3
* \f]
*
* ## Specification of Species Standard State Properties
@ -176,16 +176,16 @@ private:
//! Types of general formulations for the specification of the standard
//! state volume
enum class SSVolume_Model {
//! This approximation is for a species with a quadratic polynomial in
//! This approximation is for a species with a cubic polynomial in
//! temperature
/*!
* V^ss_i = ai + bi T + ci T2
* V^ss = a_0 + a_1 T + a_2 T^2 + a_3 T^3
*/
tpoly,
//! This approximation is for a species where the density is expressed
//! as a quadratic polynomial in temperature
//! as a cubic polynomial in temperature
/*!
* V^ss_i = M_i / (ai + bi T + ci T2)
* V^ss = M / (a_0 + a_1 T + a_2 T^2 + a_3 T^3)
*/
density_tpoly
};