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
1
Summary of past workDesign modificationsParameter design windowsDetailed CFD analysisDetailed thermo-mechanical analysisArmor analysisNeutron irradiation effects
2
Design ModificationsInner cartridge tapered from
10 mm to 2.5 mmArmor thickness varied to
determine effectSlot width varied to find
optimal
3
Parameter Design Windows(Stress)
4
(Pressure Drop)
5
(Temperature)
6
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
7
Current workFurther Design Modifications
Steel cartridgeFlow diverter in cartridgeDetailed tapper
Inlet/Outlet conditionsPumping power curvesJoint analysis
8
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
Modified Outer Wall
10
Will make joint design much easier
Steel cartridge will connect directly to manifold
Inner walls removedNeed a spacer to
keep cartridge in place
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
11
Pumping Power Fraction vs. Surface Heat Flux
12
Corresponding Temperature vs. Surface Heat Flux
13
Joint AnalysisWith the modified outer wall and cartridge, designing
a transition joint will be much simplerWill be based on the plate jointTungstenTantalumSteel
14
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