Hibiki_Ishii_nucleation_site_density.h

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#ifndef Hibiki_Ishii_nucleation_site_density_included
#define Hibiki_Ishii_nucleation_site_density_included
 
/*! @brief Nucleation site density using the Hibiki-Ishii 2003 correlation.
 *
 *         Reference: T. Hibiki, M. Ishii, "Active nucleation site density in boiling systems",
 *         International Journal of Heat and Mass Transfer, 2003.
 *
 *         The T_ref parameter is a reference temperature used in the critical cavity radius:
 *         - Hibiki model passes T_v (gas/vapor temperature)
 *         - Kommajosyula model passes Tp (wall temperature)
 *
 * @param rho_v Vapor density [kg/m^3]
 * @param rho_l Liquid density [kg/m^3]
 * @param T_ref Reference temperature for cavity radius computation [K]
 * @param p Pressure [Pa]
 * @param L_vap Latent heat of vaporization [J/kg]
 * @param T_sat Saturation temperature [K]
 * @param sigma Surface tension [N/m]
 * @param theta Contact angle [degrees]
 * @param molar_mass Molar mass [kg/mol]
 * @return Nucleation site density [sites/m^2]
 */
double Hibiki_Ishii_site_density(double rho_v, double rho_l, double T_ref, double p,
                                 double L_vap, double T_sat, double sigma,
                                 double theta, double molar_mass);
 
/*! @brief Derivative of Hibiki-Ishii nucleation site density w.r.t. T_ref.
 *
 * @return dN_sites/dT_ref [sites/m^2/K]
 */
double dT_ref_Hibiki_Ishii_site_density(double rho_v, double rho_l, double T_ref, double p,
                                        double L_vap, double T_sat, double sigma,
                                        double theta, double molar_mass);
 
#endif