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Originally Posted by Mark Tamburrino
I assume the basis for this has to do with a law of thermodymanics which says an increase in pressure will result in an increase in temp. Running fuel through the ip will pressurize it and therefore raise the temp, but I can't believe it would be raised enough so the water would separate from oil.
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Mark - I think your doubts are correct. It is my understanding that compressing a liquid will not raise its temperature. A gas temperature will raise when compressed simply because you are concentrating all of the heat energy from a larger volume of air into a smaller chamber. I guess it could be looked at like a magnifying glass with the sun. You dont increase the amount of energy, you just concentrate it. Liquids dont really compress a measurable amount.