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Add HIAD heat shield tag #2951

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May 9, 2024
Merged

Add HIAD heat shield tag #2951

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31 changes: 31 additions & 0 deletions GameData/RealismOverhaul/RO_Heatshields.cfg
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Original file line number Diff line number Diff line change
Expand Up @@ -152,6 +152,37 @@
//}
}

// Apply physics properties for Inflatable shield
@PART:HAS[#heatShieldTag[Inflatable]]:FOR[RealismOverhaul_HeatShield]
{
// Nextel 440 satin yarn skin over kevlar inflatable structure
%maxTemp = 673
%skinMaxTemp = 1573
@maxTemp:NEEDS[DeadlyReentry] = 923
@skinMaxTemp:NEEDS[DeadlyReentry] = 1823
//IRVE-3 was 281 kg total
//1/2" Nextel 440 satin is 0.88 kg/m^2, (two layers 1/4" used on IRVE-3). 277 kg on 10-meter HIAD
//1 mm kevlar is 1.15 kg/m^2, about 722 kg on 10-meter HIAD
%heatShieldDensity = 0.01
%thermalMassModifier = 1.363
%skinThermalMassModifier = 1.413
%skinMassPerArea = 10.5 // 10.5kg/m^2, so 1/2 of the mass is skin mass
// Since skin conduction mults are multiplied by heatConductivity, set them relative to heatConductivity
%skinInternalConductionMult = 1.286
%skinSkinConductionMult = 1.286
%emissiveConstant = 0.87
%absorptiveConstant = 0.15

%heatConductivity = 0.0007 // default is 0.12

%heatShieldNoAblator = true


!MODULE[ModuleAblator] {}
!RESOURCE[Ablator] {}
!RESOURCE[CharredAblator] {}
}

// Apply physics properties for LEO-rated shield
// Same as Gemini for now. Best to use Mercury or Apollo directly instead of this.
@PART:HAS[#heatShieldTag[LEO]]:FOR[RealismOverhaul_HeatShield]
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14 changes: 13 additions & 1 deletion GameData/RealismOverhaul/RO_Materials.cfg
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Expand Up @@ -122,14 +122,26 @@
//Nomex/FRSI (Felt Reusable Surface Insulation)
@PART:HAS[#skinTempTag[Nomex]]:FOR[RealismOverhaul_Materials]
{
%skinMaxTemp = 644
%skinMaxTemp = 670 //reusable up to 670 K
%emissiveConstant = 0.2 //"Optimized for low emissivity"
//%skinMassPerArea = 1.0
%skinThermalMassModifier = 1.575 //multiplier, 0.80 kJ/kg-K as basis
%skinInternalConductionMult = 0.00152 //no idea what units this is in. Use Duraluminum (164 W/m-K) as reference
%skinSkinConductionMult = 0.00152
}

//Nextel 440
@PART:HAS[#skinTempTag[Nextel]]:FOR[RealismOverhaul_Materials]
{
%skinMaxTemp = 1573
%emissiveConstant = 0.87 //Assuming we reject heat at ~300-400 K
%absorptiveConstant = 0.15 //Assuming we mostly absorb heat at ~5700K (sun)
//%skinMassPerArea = 1.0
%skinThermalMassModifier = 1.413 //multiplier, 0.80 kJ/kg-K as basis
%skinInternalConductionMult = 0.0009 //no idea what units this is in. Use Duraluminum (164 W/m-K) as reference
%skinSkinConductionMult = 0.0009
}

// Ceramics
//RCC (Reinforced Carbon-Carbon)
@PART:HAS[#skinTempTag[RCC]]:FOR[RealismOverhaul_Materials]
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