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...or more) and circulate the lake water through heat exchangers to remove heat from a district (or campus) chilled-water loop (Figure 1). Auxiliary chillers may be used to supply additional cooling as needed.
Energy Savings Potential
LSC systems realize large energy savings primarily by eliminating (or reducing) the need for chiller-based cooling. * Higher pumping loads and thermal losses in the piping runs between the lake and buildings served by the LSC offset a portion of the energy savings. For example, a LSC at Cornell University uses about 5 miles (8 km) of transmission piping that have peak thermal losses of 800 tons (2 820 kW), or about 4% of the...
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