p late -t ype d ivertor 3d p rinting x.r. wang d. navaei aries-pathways project meeting...
TRANSCRIPT
PLATE-TYPE DIVERTOR 3D
PRINTING
X.R. Wang
D. Navaei
ARIES-Pathways Project Meeting
Gaithersburg, MD
May 31-June 1, 2012
HE-COOLED W PLATE-TYPE DIVERTOR CONCEPT
Plate size: 20 cm (tor.)x 100 cm(pol.) Impinging-jet cooling Allowable heat flux ~9 MW/m2
~750 plate units for a power plant like the ARIES-AT(~0.55 million finger unit)
Design features:
(the poloidal length is not scaled)
ODS-steelcartridge
W front plate W side plates
700 ͦC10 MPa
He
800 ͦCͦ He
rad.
tor.
pol.
rad.
W back plate
FABRICATION
Brazing the front, side and back plates together to form 9 identical channels
Brazing the transition jointsand sliding the cartridges into the channels
Exploded view of the plate-type divertor ½ of the plate
50 cm
20 cm
PRINTED MODULES
Only one cartridge has been printed this time, and need 8 cartridges more. Printing time: ~51 hours Material cost:~$250 3D printer cost: $25 per hour (for ucsd rate) x 51 hours=~$1275 (free for us)
Side and back plate Front plate
Transition joints 3D printing assemblyCartridge
Printing scale: ½ of ~20 cm (tor.) x 50 cm (pol.) plate
25 cm
10 cm
12.5 cm
25 cm
10 cm