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WP 3: Thermal System Strictly Confidential 1 Workpackage 3: Thermal System Meeting, February 2, 2006 at EPFL NTB INTERSTAATLICHE HOCHSCHULE FÜR TECHNIK BUCHS NMW A. Bolleter, P. Müller
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WP 3: Thermal System Strictly Confidential 2 Outline Presentation First Version of test set-up Comparing measurements and simulation Thermal System Demonstrator Summary
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WP 3: Thermal System Strictly Confidential 3 Measurement Setup Setup only to test different insulations. Tested insulation Dummy-Stack with heat source Known insulation material (MicroTherm) Positions of the measured temperatures Wire of the thermocouple Wire for the heat source Used sensors: Thermocouple Type K
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WP 3: Thermal System Strictly Confidential 4 3D Model Viewpoint A Aerogel Wire Stack MicroTherm Wire
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WP 3: Thermal System Strictly Confidential 5 Simulated Temperature Distribution Viewpoint A
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WP 3: Thermal System Strictly Confidential 6 Improved Measurement Setup Setup only to test different insulations. Tested insulation Dummy-Stack with heat source Known insulation material Positions of the measured temperatures Smaller diameter of wires to reduce heat losses along wires
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WP 3: Thermal System Strictly Confidential 7 Thermal System Demonstrator Replaceable Insulation (vacuum-insulation, wds, aerogel) Housing Dummy StackHeat Exchanger …..for measurement with and without flow with different insulation
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WP 3: Thermal System Strictly Confidential 8 Dummy Stack and Heat Exchanger Open issues: Connection MICA Foturan Adhesion conductor / heating element Connection conductor path to heating element Dimension
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WP 3: Thermal System Strictly Confidential 9 First test connection MICA Foturan ….failed Something happened with MICA !? Only one test strip survived Possible improvements Crystallizing Foturan Lower temperature Etching step Idea: Foturan MICA 1 hour @ 900°C Mechanical hand load
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WP 3: Thermal System Strictly Confidential 10 Summary Summary: Wires have great impact on the system Measurement Setup needs to be improved Design of demonstrator is done Tackling open issues Ongoing Tests
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WP 3: Thermal System Strictly Confidential 11 Next Steps Time Schedule: FebruaryMarchAprilMay DimensioningProducingTesting Design Measuring Next steps: To improve measurements To design demonstrator: Test open issues To fix dimensions of demonstrator
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WP 3: Thermal System Strictly Confidential 12 Questions ?
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