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Johnson-Matthey Diffuser Characterization Testing

P. J. Foster, J. E. Klein, H. T. Sessions, G. A. Morgan

Fusion Science and Technology / Volume 54 / Number 2 / Pages 591-594

August 2008

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A diffuser/permeator commercially fabricated by Johnson-Matthey was purchased for characterization testing at the Savannah River National Laboratory (SRNL). A test system was fabricated to test not only feed and bleed flows and pressures, but also permeate pressure for flows up to 20 sLPM. The tests described in this paper consider the effect of various inert gas types, feed gas compositions, methods for temperature control, and varying tube pressure on permeation of H2 through the Pd/Ag tubes.

 
 
 
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