Joe, Yes, most of the upward pumping force of sap in trees is due to capillary action. The calculated maximum is a little over 400 feet, which is in fact the height of the highest historically recorded trees.
Edgar On Jul 24, 2013, at 10:22 PM, Joe wrote: > Suresh, > > The water travels against gravity up into the heights of the tree, but is > assisted of course by the upward-drawing force of capillary action of the > phloem and xylem tissue(s) of the tree cell structure, the conducting and > supporting tissues of the wood, respectively. > > Otherwise, 32 feet high, or about 10 meters high, would be the maximum height > that one could pump water upwards in height, even with a VACUUM at the top > end. The reason is that earth's atmospheric pressure at sea-level will > support a column of water 32 feet high, and no higher. > > Hail! > > --Joe > > > SURESH JAGADEESAN <varamtha@...> wrote: > > > > The plain water has to climb against gravitational force for a 20 > > meters height and start growing flowers, then make small form of > > coconut and keep infusing the water into it. And at the end when we > > open a coconut you see white kernel, and water. > >
