further modifications to the aries t-tube divertor concept jeremy burke aries-pathways project...
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Further Modifications to the ARIES T-tube Divertor Concept
Jeremy Burke
ARIES-Pathways Project Meeting
Jan 26, 2011
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Summary of past workDesign modificationsParameter design windowsDetailed CFD analysisDetailed thermo-mechanical analysisArmor analysisNeutron irradiation effects
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Design ModificationsInner cartridge tapered from
10 mm to 2.5 mmArmor thickness varied to
determine effectSlot width varied to find
optimal
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Parameter Design Windows(Stress)
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(Pressure Drop)
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(Temperature)
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Armor Thickness
Compared two values for armor thickness
5 mm and 1 mmDetermine effects of
having more armor5 mm caused a drop in
max heat flux of ~3-5%
Neutron Irradiation
Will reduce thermal conductivity
~5-10%Want to determine how
much this effects max heat flux
Reduction of ~6% with a 10% reduction in thermal conductivity
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Current workFurther Design Modifications
Steel cartridgeFlow diverter in cartridgeDetailed tapper
Inlet/Outlet conditionsPumping power curvesJoint analysis
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Design ModificationsDBTT temp of W ~ 700 CCurrently inlet temp = 600 CModify cartridge and outer
wall design so that all materials are within proper temperature limits
Steel cartridgeFlow diverterNon-linear taper 9
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Modified Outer Wall
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Will make joint design much easier
Steel cartridge will connect directly to manifold
Inner walls removedNeed a spacer to
keep cartridge in place
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Pumping Power CurvesTested 3 cases of inlet and outlet temperatures600°C inlet – 677°C outlet623°C inlet – 700°C outlet650°C inlet – 700°C outletTapered cartridge450 micron slot1 mm armor
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Pumping Power Fraction vs. Surface Heat Flux
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Corresponding Temperature vs. Surface Heat Flux
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Joint AnalysisWith the modified outer wall and cartridge, designing
a transition joint will be much simplerWill be based on the plate jointTungstenTantalumSteel
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