On Feb 21, 2011, at 5:50 AM, Joshua Cude wrote:

One should also bear in mind that it takes only 2% steam by mass to make up 97.5% of the expelled fluid by volume. And since the steam is created in the horizontal portion, it is forced up 50 cm of pipe through liquid, which would presumably turn the liquid into a fine mist after a few minutes.


The above appears to to be a typo. It was probably meant to say: "One should also bear in mind that it takes only 2% steam by *volume* to make up 97.5% of the expelled fluid by *mass*. And since the steam is created in the horizontal portion, it is forced up 50 cm of pipe through liquid, which would presumably turn the liquid into a fine mist after a few minutes."

If x is the liquid portion by volume, then x/((x+(1-x)*0.0006)) is the portion by mass. If steam is 2% wet by volume, then x=0.02 and the portion by mass is 0.97144, or 97.14%. It then takes only 2.856% of the heat to produce the wet steam vs dry.

Best regards,

Horace Heffner
http://www.mtaonline.net/~hheffner/




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