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<strong>MEGAPIE</strong> Target Concept<br />
Liquid Metal Container<br />
• Upper Container (316L, Body of THX)<br />
• Lower Container with beam entrance window (T91)<br />
LBE Flow Control<br />
• Main Flow and Bypass Flow Guide Tubes<br />
• EMPS with inline Main Pump and Bypass Pump<br />
• Target Heat Exchanger<br />
Temperature Control<br />
• Central Rod with 20 kW Heater<br />
Outer Enclosure (2nd barrier)<br />
Target Head<br />
Upper <strong>target</strong> enclosure<br />
Lower <strong>target</strong> enclosure with beam entrance window (AlMg3)<br />
Large differential thermal expansion and high stresses due to thermal<br />
gradients (static and dynamic during beam trips)<br />
Paul Scherrer Institut • 5232 Villigen <strong>PSI</strong> BENE Workshop, DESY Nov. 2004 GF34/13
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