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  2. Flushing trough - Wikipedia

    en.wikipedia.org/wiki/Flushing_trough

    As the water is siphoned from the trough, water is also sucked from the timing box and the water level inside the box falls rapidly, with air drawn into the timing box through a 'snorkel' vent pipe. When the timing box has been emptied of water, air flows through the timing box and into the siphon to break the siphonic action, stopping the ...

  3. Water trough - Wikipedia

    en.wikipedia.org/wiki/Water_trough

    New York Central Railroad's Empire State Express takes on water from the track pan at Palatine, New York, in 1905. A water trough (British terminology), or track pan (American terminology), is a device to enable a steam locomotive to replenish its water supply while in motion. It consists of a long trough filled with water, lying between the rails.

  4. Energy storage - Wikipedia

    en.wikipedia.org/wiki/Energy_storage

    A simple 52-gallon electric water heater can store roughly 12 kWh of energy for supplementing hot water or space heating. [92] For purely financial purposes in areas where net metering is available, home generated electricity may be sold to the grid through a grid-tie inverter without the use of batteries for storage.

  5. Solar thermal collector - Wikipedia

    en.wikipedia.org/wiki/Solar_thermal_collector

    Solar water heating systems are most likely to be cost effective for facilities with water heating systems that are expensive to operate, or with operations such as laundries or kitchens that require large quantities of hot water. Unglazed liquid collectors are commonly used to heat water for swimming pools but can also be applied to large ...

  6. Solar water heating - Wikipedia

    en.wikipedia.org/wiki/Solar_water_heating

    The tested SWH system had about 20% of the impact of an electrical water heater and half that of a gas water heater. [ 51 ] Analysing their lower impact retrofit freeze-tolerant solar water heating system, Allen et al. (qv) reported a production CO 2 impact of 337 kg, which is around half the environmental impact reported in the Ardente et al ...

  7. Energy policy of the United States - Wikipedia

    en.wikipedia.org/wiki/Energy_policy_of_the...

    Lastly, it issued a new rule to make large water heaters much more energy-efficient by 2029, cutting carbon emissions by a projected 332 million tons over 30 years, as part of the DOE's overall effort since 2020 to drive 2.5 billion tons in 30-year appliance emissions cuts. [75] [76]

  8. Concentrated solar power - Wikipedia

    en.wikipedia.org/wiki/Concentrated_solar_power

    A 2011 study by the National Renewable Energy Laboratory came to similar conclusions: for power plants with cooling towers, water consumption during operations was 3.27 m 3 /MWh (865 US gal/MWh) for CSP trough, 2.98 m 3 /MWh (786 US gal/MWh) for CSP tower, 2.60 m 3 /MWh (687 US gal/MWh) for coal, 2.54 m 3 /MWh (672 US gal/MWh) for nuclear, and ...

  9. Feedwater heater - Wikipedia

    en.wikipedia.org/wiki/Feedwater_heater

    A Rankine cycle with two steam turbines and a single open feedwater heater. A feedwater heater is a power plant component used to pre-heat water delivered to a steam generating boiler. [1] [2] [3] Preheating the feedwater reduces the irreversibilities involved in steam generation and therefore improves the thermodynamic efficiency of the system ...

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