Scott Norville wrote: > > The water vapor is the most heat-reactive and the dryness of the > nitrogen fill is probably what would make any difference in tire heating/ > pressure. In the long run the lack of oxygen would help preserve the tire; > If there is enough water present that some of it is liquid at a plausible temperature, it will cause a greater temperature-pressure effect than the P-T relationship from the standard gas laws. The change in vapor pressure of water with temperature is significant; the warmer it is, the more it changes from liquid to gas, effectively increasing the number of moles of gas in the tire. Larry A. |
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