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  2. Dewatering - Wikipedia

    en.wikipedia.org/wiki/Dewatering

    Dewatering / d iː ˈ w ɔː t ər ɪ ŋ / is the removal of water from a location. This may be done by wet classification, centrifugation , filtration , or similar solid-liquid separation processes , such as removal of residual liquid from a filter cake by a filter press as part of various industrial processes.

  3. Thermodynamic cycle - Wikipedia

    en.wikipedia.org/wiki/Thermodynamic_cycle

    Two primary classes of thermodynamic cycles are power cycles and heat pump cycles. Power cycles are cycles which convert some heat input into a mechanical work output, while heat pump cycles transfer heat from low to high temperatures by using mechanical work as the input. Cycles composed entirely of quasistatic processes can operate as power ...

  4. Thermodynamic process - Wikipedia

    en.wikipedia.org/wiki/Thermodynamic_process

    An example of a cycle of idealized thermodynamic processes which make up the Stirling cycle. A quasi-static thermodynamic process can be visualized by graphically plotting the path of idealized changes to the system's state variables. In the example, a cycle consisting of four quasi-static processes is shown.

  5. Water cycle - Wikipedia

    en.wikipedia.org/wiki/Water_cycle

    When water evaporates, it takes up energy from its surroundings and cools the environment. When it condenses, it releases energy and warms the environment. These heat exchanges influence the climate system. The evaporative phase of the cycle purifies water because it causes salts and other solids picked up during the cycle to be left behind.

  6. Thermochemical cycle - Wikipedia

    en.wikipedia.org/wiki/Thermochemical_cycle

    Using a work input equals to a fraction f of the heat input is equivalent relative to the choice of the reactions to operate a pure similar thermochemical cycle but with a hot source with a temperature increased by the same proportion f. Naturally, this decreases the heat-to-work efficiency in the same proportion f. Consequently, if one want a ...

  7. Working fluid selection - Wikipedia

    en.wikipedia.org/wiki/Working_fluid_selection

    The choice of working fluids is known to have a significant impact on the thermodynamic as well as economic performance of the cycle. A suitable fluid must exhibit favorable physical, chemical, environmental, safety and economic properties such as low specific volume (high density), viscosity, toxicity, flammability, ozone depletion potential (ODP), global warming potential (GWP) and cost, as ...

  8. Hydrothermal circulation - Wikipedia

    en.wikipedia.org/wiki/Hydrothermal_circulation

    Hydrothermal circulation in the oceans is the passage of the water through mid-oceanic ridge systems.. The term includes both the circulation of the well-known, high-temperature vent waters near the ridge crests, and the much-lower-temperature, diffuse flow of water through sediments and buried basalts further from the ridge crests. [3]

  9. Endoreversible thermodynamics - Wikipedia

    en.wikipedia.org/wiki/Endoreversible_thermodynamics

    Novikov engine showing irreversible heat transfer between and , coupled to a Carnot cycle operating between and . [ 8 ] Consider a semi-ideal heat engine , in which heat transfer takes time, according to Fourier's law of heat conduction : Q ˙ ∝ Δ T {\displaystyle {\dot {Q}}\propto \Delta T} , but other operations happen instantly.

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