Workpackage 3: Thermal System

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Workpackage 3 Thermal System
Meeting, February 2, 2006 at EPFL
NMW
A. Bolleter, P. Müller
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Outline Presentation
First Version of test set-up Comparing
measurements and simulation Thermal System
Demonstrator Summary
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Measurement Setup
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
Setup only to test different insulations.
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3D Model
Aerogel
Viewpoint A
Wire
Stack
MicroTherm
Viewpoint A
Wire
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Simulated Temperature Distribution
Viewpoint A
Viewpoint A
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Improved Measurement Setup
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
Setup only to test different insulations.
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Thermal System Demonstrator
..for measurement with and without flow with
different insulation
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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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First test connection MICA Foturan

• Idea

MICA
Foturan

• .failed
• Something happened with MICA !?
• Only one test strip survived
• Possible improvements
• Crystallizing Foturan
• Lower temperature
• Etching step

1 hour _at_ 900C
Mechanical hand load
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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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Next Steps

• Next steps
• To improve measurements
• To design demonstrator Test open issues
• To fix dimensions of demonstrator

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Questions ?