67 lines
2.2 KiB
C#
67 lines
2.2 KiB
C#
using CommunityToolkit.Mvvm.ComponentModel;
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using System.Diagnostics; // 添加命名空间
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namespace ASTM_D7896_Tester.ViewModels;
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public partial class MeasurementResult : ObservableObject
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{
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[ObservableProperty]
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private int _index;
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[ObservableProperty]
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private double _thermalConductivity; // W/m·K
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[ObservableProperty]
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private double _thermalDiffusivity; // m²/s
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[ObservableProperty]
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private double _specificHeatCapacity; // 比热容 J/(kg·K)
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public void CalculateVhcAndCp(double density)
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{
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// 1. 计算体积热容 VHC = λ / α
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// 注意：ThermalDiffusivity 已经是标准单位 m²/s，绝对不能再乘 1e-6！
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if (ThermalDiffusivity > 0)
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{
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double vhc_J = ThermalConductivity / ThermalDiffusivity; // 单位: J/(m³·K)
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VolumetricHeatCapacity = vhc_J / 1000.0; // 转换为 kJ/(m³·K)
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}
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else
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{
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VolumetricHeatCapacity = 0;
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}
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// 2. 计算比热容 Cp = VHC / ρ
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if (density > 0)
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{
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// VHC 转回 J/(m³·K) 除以密度
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SpecificHeatCapacity = (VolumetricHeatCapacity * 1000.0) / density;
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}
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else
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{
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SpecificHeatCapacity = 0;
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}
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Debug.WriteLine($"[MeasurementResult] 计算完成: VHC={VolumetricHeatCapacity:F2} kJ/(m³·K), Cp={SpecificHeatCapacity:F2} J/(kg·K)");
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}
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[ObservableProperty]
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private double _volumetricHeatCapacity; // kJ/m³·K (自动计算)
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public void CalculateVhc()
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{
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Debug.WriteLine($"[MeasurementResult] 计算体积热容 - 热导率: {ThermalConductivity} W/(m·K), 热扩散率: {ThermalDiffusivity} m²/s");
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if (ThermalDiffusivity > 0)
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{
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// VHC (kJ/(m³·K)) = (λ / α) / 1000
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VolumetricHeatCapacity = ThermalConductivity / ThermalDiffusivity / 1000.0;
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Debug.WriteLine($"[MeasurementResult] 计算得到体积热容: {VolumetricHeatCapacity} kJ/(m³·K)");
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}
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else
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{
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VolumetricHeatCapacity = 0;
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Debug.WriteLine($"[MeasurementResult] 警告: 热扩散率为0，体积热容设为0");
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}
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}
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} |