Added more BTU based units

Common/UnitDefinitions/HeatTransferCoefficient.json

@@ -54,6 +54,18 @@
         }
       ]
     },
+    {
+      "SingularName": "BtuPerSecondSquareInchDegreeFahrenheit",
+      "PluralName": "BtusPerSecondSquareInchDegreeFahrenheit",
+      "FromUnitToBaseFunc": "{x} * ((1055.05585262 / (2.54e-2 * 2.54e-2)) * 1.8)",
+      "FromBaseToUnitFunc": "{x} / ((1055.05585262 / (2.54e-2 * 2.54e-2)) * 1.8)",
+      "Localization": [
+        {
+          "Culture": "en-US",
+          "Abbreviations": [ "Btu/(s·in²·°F)", "Btu/(in²·s·°F)", "Btu/(hr·in²·°F)", "Btu/(in²·hr·°F)" ]
+        }
+      ]
+    },
     {
       "SingularName": "CaloriePerHourSquareMeterDegreeCelsius",
       "PluralName": "CaloriesPerHourSquareMeterDegreeCelsius",

Common/UnitDefinitions/PowerDensity.json

@@ -64,6 +64,32 @@
           "Abbreviations": [ "W/l" ]
         }
       ]
+    },
+    {
+      "SingularName": "BtuPerSecondCubicInch",
+      "PluralName": "BtusPerSecondCubicInch",
+      "XmlDocRemarks": "Based on the International Table (IT) definition of the British thermal unit (BTU), where 1 BTU is defined as exactly 1055.05585262 joules (≈1.05506 kJ). See https://en.wikipedia.org/wiki/British_thermal_unit for details.",
+      "FromUnitToBaseFunc": "{x} * 1055.05585262 / (2.54e-2 * 2.54e-2 * 2.54e-2)",
+      "FromBaseToUnitFunc": "{x} / 1055.05585262 * (2.54e-2 * 2.54e-2 * 2.54e-2)",
+      "Localization": [
+        {
+          "Culture": "en-US",
+          "Abbreviations": [ "BTU/(s·in³)" ]
+        }
+      ]
+    },
+    {
+      "SingularName": "BtuPerSecondCubicFoot",
+      "PluralName": "BtusPerSecondCubicFoot",
+      "XmlDocRemarks": "Based on the International Table (IT) definition of the British thermal unit (BTU), where 1 BTU is defined as exactly 1055.05585262 joules (≈1.05506 kJ). See https://en.wikipedia.org/wiki/British_thermal_unit for details.",
+      "FromUnitToBaseFunc": "{x} * 1055.05585262 / (0.3048 * 0.3048 * 0.3048)",
+      "FromBaseToUnitFunc": "{x} / 1055.05585262 * (0.3048 * 0.3048 * 0.3048)",
+      "Localization": [
+        {
+          "Culture": "en-US",
+          "Abbreviations": [ "BTU/(s·ft³)" ]
+        }
+      ]
     }
   ]
 }

Common/UnitDefinitions/ThermalConductivity.json

@@ -39,6 +39,18 @@
           "Abbreviations": [ "BTU/(h·ft·°F)" ]
         }
       ]
+    },
+    {
+      "SingularName": "BtuPerSecondInchFahrenheit",
+      "PluralName": "BtusPerSecondInchFahrenheit",
+      "FromUnitToBaseFunc": "{x} * ((1055.05585262 / 2.54e-2) * 1.8)",
+      "FromBaseToUnitFunc": "{x} / ((1055.05585262 / 2.54e-2) * 1.8)",
+      "Localization": [
+        {
+          "Culture": "en-US",
+          "Abbreviations": [ "BTU/(s·in·°F)" ]
+        }
+      ]
     }
   ]
 }

Common/UnitEnumValues.g.json

@@ -575,7 +575,8 @@
     "WattPerSquareMeterKelvin": 3,
     "BtuPerHourSquareFootDegreeFahrenheit": 11,
     "KilocaloriePerHourSquareMeterDegreeCelsius": 8,
-    "CaloriePerHourSquareMeterDegreeCelsius": 5
+    "CaloriePerHourSquareMeterDegreeCelsius": 5,
+    "BtuPerSecondSquareInchDegreeFahrenheit": 4
   },
   "Illuminance": {
     "Kilolux": 1,
@@ -1132,7 +1133,9 @@
     "WattPerCubicFoot": 41,
     "WattPerCubicInch": 42,
     "WattPerCubicMeter": 43,
-    "WattPerLiter": 44
+    "WattPerLiter": 44,
+    "BtuPerSecondCubicFoot": 47,
+    "BtuPerSecondCubicInch": 51
   },
   "PowerRatio": {
     "DecibelMilliwatt": 1,
@@ -1489,7 +1492,8 @@
   },
   "ThermalConductivity": {
     "BtuPerHourFootFahrenheit": 1,
-    "WattPerMeterKelvin": 2
+    "WattPerMeterKelvin": 2,
+    "BtuPerSecondInchFahrenheit": 6
   },
   "ThermalResistance": {
     "DegreeCelsiusPerWatt": 10,