Configure FFT fission engines and adjust radiator properties (#2936)

GameData/RealismOverhaul/RO_Materials.cfg

@@ -176,6 +176,17 @@
 	%skinInternalConductionMult = 2.44	//no idea what units this is in. Use Duraluminum (164 W/m-K) as reference
 	%skinSkinConductionMult = 2.44
 }
+//AZ-93 over aluminum (Heat-repellent coating, high emissivity in longwave IR, low emissivity in visual light)
+@PART:HAS[#skinTempTag[AZ93]]:FOR[RealismOverhaul_Materials]
+{
+	%skinMaxTemp = 588	//~50% strength
+	%emissiveConstant = 0.98	//Assuming we reject heat at ~300-400 K
+	%absorptiveConstant = 0.25	//Assuming we mostly absorb heat at ~5700K (sun)
+	//%skinMassPerArea = 1.0
+	%skinThermalMassModifier = 1.1375	//multiplier, 0.80 kJ/kg-K as basis
+	%skinInternalConductionMult = 1.0	//no idea what units this is in. Use Duraluminum (164 W/m-K) as reference
+	%skinSkinConductionMult = 1.0
+}
 
 //	=================================================================================
 //	Apply physics properties for internal materials
@@ -284,13 +295,17 @@
 }
 
 //	=================================================================================
-//	Override emissivity (if applicable)
+//	Override emissivity/absorptivity (if applicable)
 //	=================================================================================
 //	Allow overriding default material emissivity if it's painted
 @PART:HAS[#paintEmissivityTag]:AFTER[RealismOverhaul_Materials]
 {
 	@emissiveConstant = #$paintEmissivityTag$
 }
+@PART:HAS[#paintAbsorptivityTag]:AFTER[RealismOverhaul_Materials]
+{
+	@absorptiveConstant = #$paintAbsorptivityTag$
+}
 
 //	=================================================================================
 //	Cleanup