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  2. Deep water source cooling - Wikipedia

    en.wikipedia.org/wiki/Deep_water_source_cooling

    Because heat pump efficiency improves as the heat sink gets colder, deep lake water cooling can reduce the electrical demands of large cooling systems where it is available. It is similar in concept to modern geothermal sinks, but generally simpler to construct given a suitable water source. Deep lake water cooling allows higher thermodynamic ...

  3. Water pumping - Wikipedia

    en.wikipedia.org/wiki/Water_pumping

    Due to the rotation, water is then picked up by the tube and pumped upwards in the hose. The coil pump, as many low lift pumps, is commonly used for irrigation purposes and for drainage of lands. It is currently still used by farmers in Asia. [1] The coil pump was built as an alternative to the Archimedean screw. Unlike the Archimedean screw ...

  4. Pumping station - Wikipedia

    en.wikipedia.org/wiki/Pumping_station

    Redundancy is built into the system so that in the event that any one pump is out of service, the remaining pump or pumps will handle the designed flow. The storage volume of the wet well between the "pump on" and "pump off" settings is designed to minimize pump starts and stops, but is not so long a retention time as to allow the sewage in the ...

  5. Deep Lake Water Cooling System - Wikipedia

    en.wikipedia.org/wiki/Deep_Lake_Water_Cooling_System

    The Deep Lake Water Cooling System or DLWC is a deep water source cooling project in Toronto, Canada. As a renewable energy project, it involves running cold water from Lake Ontario to air-conditioned buildings located in downtown Toronto. The DLWC was built by Enwave, and opened August 17, 2004.

  6. Water cribs in Chicago - Wikipedia

    en.wikipedia.org/wiki/Water_cribs_in_Chicago

    The water cribs in Chicago are structures built to house and protect offshore water intakes used to supply the City of Chicago with drinking water from Lake Michigan. Water is collected and transported through tunnels located close to 200 feet (61 m) beneath the lake, varying in shape from circular to oval, and ranging in diameter from 10 to 20 ...

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