ASTM-D7896-19TransientHot-Wire-Method/ViewModels/MeasurementResult.cs

using CommunityToolkit.Mvvm.ComponentModel;

namespace ASTM_D7896_Tester.ViewModels;

public partial class MeasurementResult : ObservableObject
{
    [ObservableProperty]
    private int _index;

    [ObservableProperty]
    private double _thermalConductivity; // W/m·K

    [ObservableProperty]
    private double _thermalDiffusivity;  // ×10⁻⁶ m²/s

    [ObservableProperty]
    private double _specificHeatCapacity;  // 比热容 J/(kg·K)

    public void CalculateVhcAndCp(double density)
    {
        CalculateVhc();  // 先计算 VHC
        if (density > 0)
            SpecificHeatCapacity = VolumetricHeatCapacity * 1000 / density; // 注意单位转换
        else
            SpecificHeatCapacity = 0;
    }

    [ObservableProperty]
    private double _volumetricHeatCapacity; // kJ/m³·K (自动计算)

    public void CalculateVhc()
    {
        if (ThermalDiffusivity > 0)
            VolumetricHeatCapacity = ThermalConductivity / (ThermalDiffusivity * 1e-6) / 1000.0;
        else
            VolumetricHeatCapacity = 0;
    }

}