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Table 8
Sorption cooler test program.
| Configuration | |||
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| Test | Cooler | Interfaces | Verification |
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| Subsystem acceptance | Actual FM1 and FM2 coolers, PACE, and compressors joined in non-flight configuration. | Thermal simulation of the two interfaces. | Verified performance over flight-allowable temperature range for warm radiator and final pre-cooling stage. |
| FM1 CQM test | Engineering model of PACE, compressor simulated by hydrogen gas system. | Engineering model of V-groove system (no compressor). | Heat load from sorption cooler to V-grooves. |
| FM1 spacecraft bus | FM1 flight cooler. | Flight warm radiator, V-groove 1, pre-cooler thermally simulated. | Interaction of sorption cooler and warm radiator, minimum and maximum power. |
| FM2 spacecraft | FM2 flight cooler. | Actual spacecraft interfaces. | Requirements verification with full spacecraft and payload. |
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