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Originally Posted by Butcher
Um, bernoulli's law states the the energy in the fluid is conserved before and after the constriction, thus there is no loss of energy according to this and so the pressure is not affected by the position of the component in the loop.
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Totally wrong I am affraid Butcher.
Not energy but mass is conserved.
Well, if you consider mass to be a form of energy (E=mc^2) then yes, you are right
If what you say was true we wouldn't need pumps in our loops. A little hand crank would be nuff to increase energy state of our WC loops and voila, perpetuum mobile (sp?) in its finest
It is a tad confusing and it took me some time to get through the lot of it. What really helps me is the fact that all systems thrive to assume the lowest energy state possible and to get ANY work done energy MUST be inserted into a system and if this work is to be sustained energy needs to be added continually I am affraid.