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Claw‐type pump is one of the most promising candidates in the circulating system of the hydrogen fuel cell because of its compact structure and high reliability. In this paper, claw‐type hydrogen circulating pump with a rated flowrate of 0.4 Nm3·min−1 was designed and fabricated. An internal flow model of the claw pump was established to investigate the thermodynamic performances with air. Then, a...
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