In a hydrogen compressor, why can’t nitrogen completely seal off hydrogen?
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In hydrogen compressors, since the speed of sound in hydrogen is higher than that in nitrogen, hydrogen is more prone to reaching a critical state than nitrogen, which prevents nitrogen from completely containing hydrogen； Moreover, nitrogen is denser than hydrogen; therefore, in environments with a high hydrogen content, it may not be possible to achieve sealing even if the nitrogen pressure is high enough. ” How should this sentence be understood? Why seek guidance from those more experienced?
I’m here to learn * too. Is this a centrifugal compressor or a reciprocating one?