FORCE-FLOW ABSORBER DESIGN

External heat exchange:

SLAC E158 ~500W

Small beam width

small scale turbulence

Establish transverse

turbulence with fine

mesh screens

Mucool ~ 100W

(E. Black, IIT)

Large and variable beam width

large scale turbulence

Establish transverse

turbulent flow with

nozzles

• For ~ 6W/cm heat deposition, need to cycle 0.05 volumes/sec LH2 (e.g. 180W/30cm).

• Nozzle design complicated - needs prototyping and testing.

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