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Thermal Control Subsystem Passive Techniques Paints – White and Black Multi-layered Insulation 15 layers Betacloth, aluminized Kapton Dacron Netting, Kapton.

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Presentation on theme: "Thermal Control Subsystem Passive Techniques Paints – White and Black Multi-layered Insulation 15 layers Betacloth, aluminized Kapton Dacron Netting, Kapton."— Presentation transcript:

1 Thermal Control Subsystem Passive Techniques Paints – White and Black Multi-layered Insulation 15 layers Betacloth, aluminized Kapton Dacron Netting, Kapton laminate Thermal Switches Diaphragm Thin Plate Switch Between heat generators and sinks High conductance cold (mounting) plate Active Systems Solid-State controlled heaters Electrical resistance element Tayco Controller Variable Radioisotope Heater Units (VRHUs) 50 – to provide approximately 50 W Located inside 10 VRUH containers Variable Conductance Heat Pipes Aluminum with ammonia working fluid 1.27 cm diameter Axial groove composite wick Radiator with embedded heat pipes

2 Thermal Backup Slide 1

3 Thermal Backup Slide 2

4 Thermal Backup Slide 3

5 Thermal Backup Slide 4

6 Thermal Backup Slide 5

7 Thermal Backup Slide 6


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