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  2. Storage of wine - Wikipedia

    en.wikipedia.org/wiki/Storage_of_wine

    Wine is one of the few commodities that can improve in flavour and value with age, but it can also rapidly deteriorate if kept in inadequate conditions. The three factors that have the most direct impact on a wine's condition are light, humidity, and temperature. Historically, the storage of wine was handled by wine merchants.

  3. Wine cellar - Wikipedia

    en.wikipedia.org/wiki/Wine_cellar

    Wine cellars can be either active or passively cooled. Active wine cellars are highly insulated and need to be properly constructed. They require specialized wine cellar conditioning and cooling systems to maintain the desired temperature and humidity. In a very dry climate, it may be necessary to actively humidify the air, but in most areas ...

  4. Humidity - Wikipedia

    en.wikipedia.org/wiki/Humidity

    Although humidity is an important factor for thermal comfort, humans are more sensitive to variations in temperature than they are to changes in relative humidity. [29] Humidity has a small effect on thermal comfort outdoors when air temperatures are low, a slightly more pronounced effect at moderate air temperatures, and a much stronger ...

  5. Refrigeration - Wikipedia

    en.wikipedia.org/wiki/Refrigeration

    The Fridge Gate method is a theoretical application of using a single logic gate to drive a refrigerator in the most energy efficient way possible without violating the laws of thermodynamics. It operates on the fact that there are two energy states in which a particle can exist: the ground state and the excited state.

  6. Dilution refrigerator - Wikipedia

    en.wikipedia.org/wiki/Dilution_refrigerator

    Schematic diagram of a cryogen-free, or dry, dilution refrigerator precooled by a two-stage pulse tube refrigerator, indicated by the dotted rectangle. A 3 He/ 4 He dilution refrigerator is a cryogenic device that provides continuous cooling to temperatures as low as 2 mK , with no moving parts in the low-temperature region.

  7. Psychrometrics - Wikipedia

    en.wikipedia.org/wiki/Psychrometrics

    In this example the humidity ratio is 0.0126 kg water per kg dry air. Determining the effect of temperature change on relative humidity: For air of a fixed water composition or moisture ratio, find the starting relative humidity from the intersection of the wet and dry bulb temperature lines. Using the conditions from the previous example, the ...

  8. Solera - Wikipedia

    en.wikipedia.org/wiki/Solera

    For instance, suppose the solera consists of three barrels of wine, and half of each barrel is transferred once a year. At the end of the third year (and each subsequent year), half the third barrel is bottled. This first bottling is aged three years. The third barrel is then refilled by transferring half of the wine from the second barrel.

  9. Glossary of winemaking terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_winemaking_terms

    In this process the wine is drained into a secondary vessel, allowing the cap to settle to a bottom and loosen the seeds that are trapped in the pulps. As the wine drains, a filter captures the seeds and removes them from the wine. The wine is then returned the first vessel. Demi-muid A large oak barrel that holds 159 gallons (600 liters). In ...