mirror of
https://github.com/microsoft/vcpkg.git
synced 2024-12-31 05:03:22 +08:00
49 lines
3.0 KiB
Diff
49 lines
3.0 KiB
Diff
|
diff --git a/IF97.h b/IF97.h
|
||
|
|
index 864f3a0..4e6cab5 100644
|
||
|
|
--- a/IF97.h
|
||
|
|
+++ b/IF97.h
|
||
|
|
@@ -52,7 +52,7 @@ namespace IF97
|
||
|
|
// IF97 Constants
|
||
|
|
const double Tcrit = 647.096; // K
|
||
|
|
const double Pcrit = 22.064*p_fact; // MPa*
|
||
|
|
- const double Rhocrit = 322.0; // kg/m³
|
||
|
|
+ const double Rhocrit = 322.0; // kg/m^3
|
||
|
|
const double Scrit = 4.41202148223476*R_fact; // kJ*/kg-K (needed for backward eqn. in Region 3(a)(b)
|
||
|
|
const double Ttrip = 273.16; // K
|
||
|
|
const double Ptrip = 0.000611656*p_fact; // MPa*
|
||
|
|
@@ -2394,7 +2394,7 @@ namespace IF97
|
||
|
|
// The equation is rearranged to solve for rho and turned
|
||
|
|
// into functions f(T,P,rho0) and f'(T,P,rho0) for the
|
||
|
|
// Newton-Raphson technique. Functions for
|
||
|
|
- // dphi/ddelta and d²phi/ddelta² were also required. These
|
||
|
|
+ // dphi/ddelta and d^2phi/ddelta^2 were also required. These
|
||
|
|
// additional Taylor functions are defined above.
|
||
|
|
//
|
||
|
|
double f(double T, double p, double rho0) const{
|
||
|
|
@@ -4172,7 +4172,7 @@ namespace IF97
|
||
|
|
return RegionOutput( IF97_HMASS,RegionOutputBackward(Pmax,s,IF97_SMASS),Pmax, NONE);
|
||
|
|
else {
|
||
|
|
// Determining H(s) along Tmax is difficult because there is no direct p(T,s) formulation.
|
||
|
|
- // This linear combination fit h(s)=a*ln(s)+b/s+c/s²+d is not perfect, but it's close
|
||
|
|
+ // This linear combination fit h(s)=a*ln(s)+b/s+c/s^2+d is not perfect, but it's close
|
||
|
|
// and can serve as a limit along that Tmax boundary. Coefficients in HTmaxdata above.
|
||
|
|
// There is a better way to do this using Newton-Raphson on Tmax = T(p,s), but it is iterative and slow.
|
||
|
|
double ETA = Hmax_n[0]*log(sigma) + Hmax_n[1]/sigma + Hmax_n[2]/pow(sigma,2) +Hmax_n[3];
|
||
|
|
@@ -4323,14 +4323,14 @@ namespace IF97
|
||
|
|
inline double cvmass_Tp(double T, double p){ return RegionOutput( IF97_CVMASS, T, p, NONE); };
|
||
|
|
/// Get the speed of sound [m/s] as a function of T [K] and p [Pa]
|
||
|
|
inline double speed_sound_Tp(double T, double p){ return RegionOutput( IF97_W, T, p, NONE); };
|
||
|
|
- /// Get the [d(rho)/d(p)]T [kg/m³/Pa] as a function of T [K] and p [Pa]
|
||
|
|
+ /// Get the [d(rho)/d(p)]T [kg/m^3/Pa] as a function of T [K] and p [Pa]
|
||
|
|
inline double drhodp_Tp(double T, double p){ return RegionOutput( IF97_DRHODP, T, p, NONE); };
|
||
|
|
|
||
|
|
// ******************************************************************************** //
|
||
|
|
// Transport Properties //
|
||
|
|
// ******************************************************************************** //
|
||
|
|
|
||
|
|
- /// Get the viscosity [Pa-s] as a function of T [K] and Rho [kg/m³]
|
||
|
|
+ /// Get the viscosity [Pa-s] as a function of T [K] and Rho [kg/m^3]
|
||
|
|
inline double visc_TRho(double T, double rho) {
|
||
|
|
// Since we have density, we don't need to determine the region for viscosity.
|
||
|
|
static Region1 R1; // All regions use base region equations for visc(T,rho).
|