In misc.industry.utilities.electric wrote:
| Jonathan Ball wrote:
|
|...Take a 1-foot cube, 1 x 1 x 1. The volume is 1 cubic
|foot, and the surface area is 6 square feet. An n x n
|x n cube of 2 cubic feet will have n = (approx) 1.26.
|The surface area is 6 x 1.25^2 = 9.52 sqare feet. The
|volume has doubled, but the surface area has gone up by
|LESS than twice.
|
| A lovely explanation, but larger tanks lose more heat.

But more tanks lose even more heat for the same amount of water.
Fewer larger tanks beats more smaller tanks.

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| Phil Howard KA9WGN | http://linuxhomepage.com/ http://ham.org/ |
| (first name) at ipal.net | http://phil.ipal.org/ http://ka9wgn.ham.org/ |
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