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Home / Publications / Journals / Fusion Science and Technology / Volume 41 / Number 3P1 / Pages 209-213

Removal of Mode 10 Surface Ripples in ICF Pams Shells

B.W.McQuillan, M. Takagi

Fusion Science and Technology / Volume 41 / Number 3P1 / May 2002 / Pages 209-213

Technical Paper / Fourteenth Target Fabrication Specialists' Meeting

Plastic spherical shells made by microencapsulation show a surface roughness over modes within the range 7–20, generically termed “the mode 10 problem.” The roughness mode number corresponds with theoretical models of Marangoni convection cells formed during the curing of the initial wet shells. The roughness is removed, by appropriate changes in shell processing conditions, changes guided by the understanding of Marangoni convection.

 
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