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Re: twojugglers post# 3330

Monday, 07/05/2004 10:57:12 AM

Monday, July 05, 2004 10:57:12 AM

Post# of 53980
Almost... cooler chamber means cooler atmosphere (air) inside the chamber. Now since cooler air holds less moisture then warm air, then less moisture can exist as gas in the chamber and more must remain as water droplets. Remember that it is the vaporization (conversion of the moisture from liquid to gas) that requires most of the energy. Dropping the chamber temperature would convert the vapour back to liquid releasing the energy back into the KDS. So by keeping the temperature of the KDS lower, there is less moisture in the gas phase and therefore the KDS should use less energy.

Furthermore, if the KDS chamber temperature increases and is now hotter then the cyclone, then we would expect to see water precipitating in the cyclone (kind of like clouds form rain when they hit cooler air around them). So I expect that as a result, the precipitated water would show up in the product...hence wetter product with higher chamber temperature.

Also remember that the KDS doesn't "dry" in the traditional sense of the word. It separates water from solid without using heat. I believe FASC/AGES refer to this as 'mechanical dewatering' instead of 'drying'

Vaporization and condensation are fairly well known concepts, I guess it just hasn't been applied to a blender before smile


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