Fossil-fuel Power Station - Combined Heat and Power

Combined Heat and Power

Combined heat and power (CHP), also known as cogeneration, is the use of a power station to provide both electric power and process heat or district heating. While rejecting heat at a higher than normal temperature to enable building heating lowers overall plant electric power efficiency, the extra fuel burnt is more than offset by the reduction in fossil fuel that would otherwise be used for heating buildings. This technology is widely practiced in for example Denmark, other Scandinavian countries and parts of Germany. Calculations show that CHPDH is the cheapest method of carbon emissions reductions.

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Heat Exchanger - In Nature - Birds, Fish, Marine Mammals
... in biological systems "Countercurrent" heat exchangers occur naturally in the circulation system of fish, whales and other marine mammals ... veins from the skin carrying cold blood, causing the warm arterial blood to exchange heat with the cold venous blood ... This reduces the overall heat loss in cold waters ...

Famous quotes containing the words power, combined and/or heat:

    With an eye made quiet by the power
    Of harmony, and the deep power of joy,
    We see into the life of things.
    William Wordsworth (1770–1850)

    Today we all speak, if not the same tongue, the same universal language. There is no one center, and time has lost its former coherence: East and West, yesterday and tomorrow exist as a confused jumble in each one of us. Different times and different spaces are combined in a here and now that is everywhere at once.
    Octavio Paz (b. 1914)

    I have a blood bolt
    and I have made it mine.
    With this man I take in hand
    his destiny and with this gun
    I take in hand the newspapers and
    with my heat I will take him.
    Anne Sexton (1928–1974)