p late -t ype d ivertor 3d p rinting x.r. wang d. navaei aries-pathways project meeting...

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