Models/AppConfig.cs

@@ -46,7 +46,7 @@ public class TestParameters
     public int MeasurementCount { get; set; } = 10;
     [Range(5, 300)]
     public int IntervalSeconds { get; set; } = 30;
-    public double PlatinumWireLength { get; set; } = 0.04;
+    public double PlatinumWireLength { get; set; } = 0.056; // 默认 5.6 cm
     public double PlatinumWireDiameter { get; set; } = 0.00006;
     public string ReportOutputPath { get; set; } = "Reports\\";
 
@@ -60,6 +60,18 @@ public class TestParameters
 
     public CalibrationCoefficients CalibrationCoefficients { get; set; } = new();
 
+    // 可选：强制使用固定的物性值，便于测试和校准
+    public bool UseFixedAlpha { get; set; } = false;
+    public double FixedAlpha { get; set; } = 1.4e-7; // m^2/s
+    public bool UseFixedLambda { get; set; } = false;
+    public double FixedLambda { get; set; } = 0.606; // W/(m·K)
+
+
+
+    public double FitStartTime { get; set; } = 0.01;   // 默认0.35秒，避开早期扰动
+    public double FitEndTime { get; set; } = 0.1;
+
+
 
 }