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DEVELOPMENT EVALUATION OF NEAR 17 K MOLECULAR SIEVE 5A FOR HYDROGEN CRYOSORPTION
ARNOLD ENGINEERING DEVELOPMENT CENTER ARNOLD AFB TN
Tests results are presented for the cryosorption of hydrogen on a commercially manufactured molecular sieve 5A panel operated near 20 K. The effects of repeated activations, water and air contamination under vacuum, and exposure to atmospheric conditions were observed. Using suitable operating techniques, pumping speeds near theoretical maximums were obtained.
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