insulated_tank_reduction.h

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#pragma once
 
namespace insulated_tank_reduction {
 
struct InsulatedTankInput {
    int    operating_hours         = 0;   
    double tank_height             = 0.0; 
    double tank_diameter           = 0.0; 
    double tank_thickness          = 0.0; 
    double tank_emissivity         = 0.0; 
    double tank_conductivity       = 0.0; 
    double tank_temperature        = 0.0; 
    double ambient_temperature     = 0.0; 
    double system_efficiency       = 1.0; 
    double insulation_thickness    = 0.0; 
    double insulation_conductivity = 0.0; 
    double jacket_emissivity       = 0.0; 
    double surface_temperature     = 0.0; 
};
 
struct InsulatedTankOutput {
    double heat_loss        = 0.0; 
    double annual_heat_loss = 0.0; 
};
 
InsulatedTankOutput calculate(const InsulatedTankInput& input);
 
InsulatedTankOutput insulatedTankHeatLoss(const InsulatedTankInput& input);
 
InsulatedTankOutput bareTankHeatLoss(const InsulatedTankInput& input);
 
double rayleighNumber(double thermal_expansion, double surface_temperature,
                      double ambient_temperature, double diameter,
                      double kin_viscosity, double thermal_diffusivity);
 
double naturalConvectionCoefficient(double rayleigh, double conductivity, double diameter);
 
} // namespace insulated_tank_reduction