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

using CommunityToolkit.Mvvm.ComponentModel;
using System.Diagnostics;   // 添加命名空间

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

        // 日志：记录计算前的参数
        Debug.WriteLine($"[MeasurementResult] 计算比热容 - 密度: {density} kg/m³, 体积热容: {VolumetricHeatCapacity} kJ/(m³·K)");

        if (density > 0)
        {
            SpecificHeatCapacity = VolumetricHeatCapacity * 1000 / density;
            Debug.WriteLine($"[MeasurementResult] 计算得到比热容: {SpecificHeatCapacity} J/(kg·K)");
        }
        else
        {
            SpecificHeatCapacity = 0;
            Debug.WriteLine($"[MeasurementResult] 警告: 密度无效 (density={density})，比热容设为0");
        }
    }

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

    public void CalculateVhc()
    {
        Debug.WriteLine($"[MeasurementResult] 计算体积热容 - 热导率: {ThermalConductivity} W/(m·K), 热扩散率: {ThermalDiffusivity} ×10⁻⁶ m²/s");

        if (ThermalDiffusivity > 0)
        {
            VolumetricHeatCapacity = ThermalConductivity / (ThermalDiffusivity * 1e-6) / 1000.0;
            Debug.WriteLine($"[MeasurementResult] 计算得到体积热容: {VolumetricHeatCapacity} kJ/(m³·K)");
        }
        else
        {
            VolumetricHeatCapacity = 0;
            Debug.WriteLine($"[MeasurementResult] 警告: 热扩散率为0，体积热容设为0");
        }
    }
}