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  2. Thermal efficiency - Wikipedia

    en.wikipedia.org/wiki/Thermal_efficiency

    For a heat engine, thermal efficiency is the ratio of the net work output to the heat input; in the case of a heat pump, thermal efficiency (known as the coefficient of performance or COP) is the ratio of net heat output (for heating), or the net heat removed (for cooling) to the energy input (external work). The efficiency of a heat engine is ...

  3. Rotary dryer - Wikipedia

    en.wikipedia.org/wiki/Rotary_dryer

    A rotary dryer is a type of industrial dryer used to reduce or minimize the moisture content of the material it is handling by bringing it into contact with a heated gas. [1] The dryer is made up of a rotating cylinder ("drum" or "shell"), a drive mechanism, and a support structure (commonly concrete posts or a steel frame).

  4. Carnot cycle - Wikipedia

    en.wikipedia.org/wiki/Carnot_cycle

    A Carnot cycle is an ideal thermodynamic cycle proposed by French physicist Sadi Carnot in 1824 and expanded upon by others in the 1830s and 1840s. By Carnot's theorem, it provides an upper limit on the efficiency of any classical thermodynamic engine during the conversion of heat into work, or conversely, the efficiency of a refrigeration system in creating a temperature difference through ...

  5. Compressed air dryer - Wikipedia

    en.wikipedia.org/wiki/Compressed_air_dryer

    The goal of having two heat exchangers is that the cold outgoing air cools down the hot incoming air and reduces the size of compressor required. At the same time the increase in the temperature of outgoing air prevents re-condensation. Some manufacturers produce "cycling dryers". These store a cold mass that cools the air when the compressor ...

  6. Flash evaporation - Wikipedia

    en.wikipedia.org/wiki/Flash_evaporation

    It is possible to use Newton's method for solving the above water equation, but there is a risk of converging to the wrong value of β; it is important to initialise the solver to a sensible initial value, such as (β max +β min)/2 (which is however not sufficient: Newton's method makes no guarantees on stability), or, alternatively, use a ...

  7. Cooling tower - Wikipedia

    en.wikipedia.org/wiki/Cooling_tower

    Adiabatic cooling towers spray water into the incoming air or onto a cardboard pad to cool the air before it passes over an air-cooled heat exchanger. Adiabatic cooling towers use less water than other cooling towers but do not cool the fluid as close to the wet bulb temperature. Most adiabatic cooling towers are also hybrid cooling towers.

  8. Ventilation (architecture) - Wikipedia

    en.wikipedia.org/wiki/Ventilation_(architecture)

    An axial belt-drive exhaust fan serving an underground car park. This exhaust fan's operation is interlocked with the concentration of contaminants emitted by internal combustion engines. Mechanical ventilation of buildings and structures can be achieved by the use of the following techniques: Whole-house ventilation; Mixing ventilation

  9. List of Saturday Night Live commercial parodies - Wikipedia

    en.wikipedia.org/wiki/List_of_Saturday_Night...

    Lesbian Period Drama — "From the makers of Portrait of a Lady on Fire and The Favourite" comes this hauntingly-lensed film featuring a cold, seaside setting, c. 1840; two straight actresses (Heidi Gardner and episode host Carey Mulligan) in the lead roles; 12 lines of dialog in a 2 1 ⁄ 2-hour run time; and "a sex scene so graphic, you'll ...

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