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Whole-system design has already proved its value in industrial engineering. More than half the world's electricity turns electric motors. The largest use of electric motors is pumping. In 1997, a major carpet manufacturer was building a factory in Shang-hai. One heat-transfer loop was designed to use fourteen pumps totaling 95 horsepower. Using whole-system design that RMI's Amory Lovins brought from Lee Eng Lock in Singapore, Dutch engineer Jan Schilham cut the power use by 92 percent to just 7 horsepower by using fat, short, straight pipes rather than skinny, long, crooked pipes. Thanks to smaller motors and pumps, total capital cost went down.
by jam on Tue Jun 28th, 2005 at 05:48:26 PM EST
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