Launch your visions. STI Test Facility. Thermal & Vacuum Chambers

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1 Launch your visions STI Test Facility Thermal & Vacuum Chambers SpaceTech 2018

clean Ambient Pressure Testing Cleaning Area

2 Test Facility Cleanroom G1 ISO 8 Class TV Chambers Integration Areas Thermal Laboratory Laboratory clean Ambient Pressure Testing Cleaning Area (Ultrasonic Cleaning) 6 February 2018 Thermal & Vacuum Chambers 2

6 February 2018 Thermal & Vacuum Chambers 3 Vacuum Chambers (1) GTV Dimensions of Cylinder L = 2300 mm Ø = 1500 mm Body is heatable/coolable +70 C to -20 C AL Radiator Plates inside +200 C to -180 C

3 6 February 2018 Thermal & Vacuum Chambers 3 Vacuum Chambers (1) GTV Dimensions of Cylinder L = 2300 mm Ø = 1500 mm Body is heatable/coolable +70 C to -20 C AL Radiator Plates inside +200 C to -180 C Black coated (Solar Black by enbio) Temp. levels depend on setup Overheating protection Feedthroughs DN (K-, CF-, Kf-) Pressure Level p < 1E-5 mbar Roots Pump Turbo-Molecular Pump Cold Trap Additional measurements possible RGA, TQCM, optical feedthroughs Heritage GRACE-FO: LRI - FM ICARUS: Antenna for ISS - FM C-Sat: Solar Panels - FM Sentinel-3: Baffles - FM

6 February 2018 Thermal & Vacuum Chambers 4 Vacuum Chambers (2) KTV Dimensions 800 x 620 x 320 mm³ Cu Radiator Plates inside +200 C to -180 C Black coated (Solar Black by enbio) Temp.

4 6 February 2018 Thermal & Vacuum Chambers 4 Vacuum Chambers (2) KTV Dimensions 800 x 620 x 320 mm³ Cu Radiator Plates inside +200 C to -180 C Black coated (Solar Black by enbio) Temp. levels depend on setup Overheating protection Feedthroughs DN (K-, Kf-) Pressure Level p < 1E-5 mbar Scroll Pump Turbo-Molecular Pump Cold Trap Additional measurements possible RGA, TQCM, optical feedthroughs Heritage GRFO: CESS - FM Diverse Coupons: i.e. Exomars, Euclid JUICE: RIME HSL2: Optical Components

Vacuum Chambers (3) α/ɛ-tube - Solar Simulator Dimensions of Cylinder L = 925 mm Ø = 330 mm Viewport for solar simulator α/ɛ measurements possible Feedthroughs DN40 16 (Kf-) Pressure Level p <

5 Vacuum Chambers (3) α/ɛ-tube - Solar Simulator Dimensions of Cylinder L = 925 mm Ø = 330 mm Viewport for solar simulator α/ɛ measurements possible Feedthroughs DN40 16 (Kf-) Pressure Level p < 1E-5 mbar Scroll Pump Turbo-Molecular Pump Heritage GRACE-FO: CESS Equivalent of one solar constant inside chamber, considering all mirrors and viewports 6 February 2018 Thermal & Vacuum Chambers 5

Vacuum Chambers (4) TMA Chamber Dimensions 900 x 350 x 240 mm³ Made of one block aluminium Heavy and massive chamber Very homogeneous temperatures inside Heatable from outside Temperatures up to +100

6 Vacuum Chambers (4) TMA Chamber Dimensions 900 x 350 x 240 mm³ Made of one block aluminium Heavy and massive chamber Very homogeneous temperatures inside Heatable from outside Temperatures up to +100 C Overheating protection Feedthroughs Dn63 25 (K-, Kf-) Pressure Level p < 1E-5 mbar Scroll Pump Turbo-Molecular Pump With optical viewports Heritage GRACE-FO: LRI 6 February 2018 Thermal & Vacuum Chambers 6

Further Measuring TQCM Thermal-Quartzcrystal-Microbalance RGA Residual Gas

the mass of outgassed particles Success criteria for bakeout tests Operation

hardware to other don t One collects the particles and changes its frequency

the outgassed atoms Determine Helium for leackage tests Measure the partial

7 Further Measuring TQCM Thermal-Quartzcrystal-Microbalance RGA Residual Gas Analyzer Function Measuring the amount of outgassing Applications Determine the mass of outgassed particles Success criteria for bakeout tests Operation Comparing the frequency of 2 identical QC s One has a view factor onto the hardware to other don t One collects the particles and changes its frequency Functions Measures the type of atoms in the chamber Applciations Determine the outgassed atoms Determine Helium for leackage tests Measure the partial pressure of atoms Operation Mass spectrometer 6 February 2018 Thermal & Vacuum Chambers 7

) Can be flushed with dry air to avoid humidity on DUT in cold phase Chamber control Internal thermal control of

8 Ambient Pressure Chambers (1) Climate Chamber Dimensions of Test Cabin 800 x 500 x 600 mm³ Objects up to 90 kg Temperature Range -70 C to +180 C Temperature Ramp 2K/min (max.) Can be flushed with dry air to avoid humidity on DUT in cold phase Chamber control Internal thermal control of introduced air Temperature logging of DUT via PT-1000 Automatic cycling Remote Control Alarm settings for hardware protection 6 February 2018 Thermal & Vacuum Chambers 8

minutes Chamber Control TRP on device under test (driver) Temperature logging via PT-1000 Automatic

9 Ambient Pressure Chambers (2) Thermal Shock Chamber Dimensions of Test Cabin 600 x 500 x 400 mm³ For Fast Cycling & Shock Life-Cycle Tests Temperature Range -180 C to +200 C Duration per cycle 4-10 minutes Chamber Control TRP on device under test (driver) Temperature logging via PT-1000 Automatic cycling Remote control Alarm settings for hardware protection 6 February 2018 Thermal & Vacuum Chambers 9

10 Launch your visions Thank you very much for your attention If you have any further questions, feel free to get in touch with: Patrick Dieterich SpaceTech 2018

Selection of Materials and Processes for Space Use. Ruben Edeson, Mechanical Engineer, SSTD.

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