Thermal sanity report

Screening-level sanity checks for the thermal model itself. Radiative protection is part of the current thermal sanity verdict and must stay green for release.

• Design signature: 9434dbaf01578074fb135f15e620cc7cfda0953da30298c00be7e7cbe7480e2c
• Overall verdict: PASS
• View-factor benchmark gate: PASS
• Hot-case target gate: PASS
• Energy-balance gate: PASS
• Transient timestep-convergence gate: PASS
• Cold-case survival/recovery gate: PASS
• Gradient-proxy gate: PASS
• EOL degradation sweep gate: PASS
• Radiative protection screen: PASS
• Cold-case detector survival heater required: 2.351 W

Hot-case closure

• hot1: PASS; optics peak 113.015 / 150.000 K, detector 91.008 / 100.000 K, bus 300.000 / 300.000 K, sunshield peak 319.485 / 330.000 K; layers: sunshield_1 319.485 K, sunshield_2 243.436 K, sunshield_3 223.563 K, sunshield_4 212.894 K
• hot2: PASS; optics peak 101.722 / 150.000 K, detector 85.631 / 100.000 K, bus 300.000 / 300.000 K, sunshield peak 298.057 / 330.000 K; layers: sunshield_1 298.057 K, sunshield_2 226.654 K, sunshield_3 206.443 K, sunshield_4 195.625 K

Steady-state residuals

• hot1: residual 0.000010 W, PASS
• hot2: residual 0.000062 W, PASS
• cold1: residual 0.000008 W, PASS
• degradation1: residual 0.000011 W, PASS

Transient convergence

• Coarse dt: 60.0 s
• Fine dt: 30.0 s
• Orbit count: 3
• Worst combined delta: 0.003201 K
• Plot: transient_convergence.svg
• detector: combined 0.001197 K, peak 0.000000 K, history 0.001197 K
• detector_mount: combined 0.002674 K, peak 0.000000 K, history 0.002674 K
• primary: combined 0.001714 K, peak 0.000000 K, history 0.001714 K
• radiator: combined 0.000993 K, peak 0.000000 K, history 0.000993 K
• secondary: combined 0.001618 K, peak 0.000000 K, history 0.001618 K
• structure: combined 0.003201 K, peak 0.000000 K, history 0.003201 K

Cold-case survival and recovery

• Scenario: transient1 from hot1 over 5 orbits at 30.0 s steps.
• Last-orbit detector minimum: 90.825 K against survival minimum 90.000 K (margin 0.825 K).
• Max required detector heater power in the last orbit: 0.000 / 7.000 W; applied peak 0.000 W; last-orbit heater energy 0.000 Wh.
• Cold-soak recovery starts from 82.559 K in cold1 and reaches the survival threshold in 450.0 s (limit 900.0 s).
• Plots: cold_case_transient.svg, cold_case_recovery.svg

Gradient proxies

• hot1: PASS; detector_mount_to_metering_structure 0.607261 K, primary_to_metering_structure 2.481789 K, secondary_to_metering_structure 0.341212 K
• hot2: PASS; detector_mount_to_metering_structure 0.551976 K, primary_to_metering_structure 1.271635 K, secondary_to_metering_structure 0.115631 K
• cold1: PASS; detector_mount_to_metering_structure 1.456093 K, primary_to_metering_structure 0.858399 K, secondary_to_metering_structure 0.241729 K
• degradation1: PASS; detector_mount_to_metering_structure 0.262687 K, primary_to_metering_structure 2.905941 K, secondary_to_metering_structure 0.424632 K

Degradation sweep

• Cases checked: 30
• Worst case: degradation_sweep_sa85.0_ev1.50_b0.0
• Worst primary: 130.014720 K
• Worst secondary: 127.016167 K
• Worst detector: 99.075221 K
• Worst optics margin: 19.985280 K
• Worst detector margin: 0.924779 K
• Uses coating EOL values: True
• Applied conductance multiplier: 0.950
• Artifacts: degradation_sweep_cases.csv, degradation_sweep_envelope.png

Radiative protection

• Protected nodes solar-blocked: PASS
• Radiator Earth-view limit: PASS; effective 0.000000
• Telescope Earth-view limit: PASS; effective 0.000000
• Screened sun angles: 85.0, 95.0, 110.0, 125.0, 135.0