Talk:Hydrogen-cooled turbo generator

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Relevance of high specific heat?[edit]

The article lists low drag, high thermal conductivity, and high specific heat as characteristics suiting hydrogen to cooling the rotor of a generator. While I can see the first two, the third is a meaningless indicator of the thermal capacity of hydrogen: it is only high because hydrogen has such a low molecular weight. If you used nitrogen in place of hydrogen the thermal capacity would be exactly the same, only drag and conductivity would suffer. Vaughan Pratt (talk) 23:50, 11 September 2016 (UTC)