pipe_sizing.h

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#pragma once
 
#include <cmath>
#include "physics/constants.h"
 
namespace pipe_sizing {
 
inline constexpr double kCircleAreaFactor = 0.78;
 
// ============================================================
//  Pipe Sizing
// ============================================================
 
struct Input {
    double airflow              = 0.0; 
    double airline_pressure     = 0.0; 
    double design_velocity      = 0.0; 
    double atmospheric_pressure = physics::us::kAtmosphericPressurePsi; 
};
 
struct Result {
    double cross_sectional_area = 0.0; 
    double pipe_diameter        = 0.0; 
};
 
Result calculate(const Input& input);
 
} // namespace pipe_sizing