orifice_method.h

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#pragma once
 
#include <cmath>
 
#include "physics/constants.h"
 
namespace orifice_method {
 
// ============================================================
//  Orifice Method
// ============================================================
 
struct Input {
    double operating_time  = 0.0;                               
    double air_temp        = 0.0;                               
    double atm_pressure    = physics::us::kAtmosphericPressurePsi; 
    double discharge_coef  = 1.0;                               
    double diameter        = 0.0;                               
    double supply_pressure = 0.0;                               
    int    num_orifices    = 1;                                 
};
 
struct Result {
    double standard_density   = 0.0; 
    double sonic_density      = 0.0; 
    double leak_velocity      = 0.0; 
    double leak_rate_lbm_min  = 0.0; 
    double leak_rate_scfm     = 0.0; 
    double leak_rate_estimate = 0.0; 
    double annual_consumption = 0.0; 
};
 
Result calculate(const Input& input);
 
} // namespace orifice_method