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A humidifier uses a rotating disk of radius r, which is partially submerged in water. The most evaporation occurs when the exposed wetted region is maximized. Show that this happens when h (the distance from the center to the water) is equal to r/ square root (1+ pi^2)
I drew out a picture of it to help. http://community.webshots.com/photo/547 ... 7635BEEkJY.
If it's too small you may have to click on it a few times.
How would you start or do a problem like this?
I drew out a picture of it to help. http://community.webshots.com/photo/547 ... 7635BEEkJY.
If it's too small you may have to click on it a few times.
How would you start or do a problem like this?
