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  2. File:Temperature-relative humidity chart - PMV method.pdf

    en.wikipedia.org/wiki/File:Temperature-relative...

    English: This chart represents the acceptable combination of air temperature and humidity values, according to the PMV/PPD method in the ASHRAE 55-2010 Standard. The representation is made on a temperature-relative humidity, instead of a standard psychrometric chart.

  3. Psychrometrics - Wikipedia

    en.wikipedia.org/wiki/Psychrometrics

    A psychrometric chart is a graph of the thermodynamic parameters of moist air at a constant pressure, often equated to an elevation relative to sea level. The ASHRAE-style psychrometric chart, shown here, was pioneered by Willis Carrier in 1904. [10] It depicts these parameters and is thus a graphical equation of state. The parameters are:

  4. Humidity - Wikipedia

    en.wikipedia.org/wiki/Humidity

    Humidity plays an important role for surface life. For animal life dependent on perspiration (sweating) to regulate internal body temperature, high humidity impairs heat exchange efficiency by reducing the rate of moisture evaporation from skin surfaces. This effect can be calculated using a heat index table, or alternatively using a similar ...

  5. Wet-bulb globe temperature - Wikipedia

    en.wikipedia.org/wiki/Wet-bulb_globe_temperature

    T w = Natural wet-bulb temperature (combined with dry-bulb temperature indicates humidity) T g = Globe thermometer temperature (measured with a globe thermometer, also known as a black globe thermometer) T d = Dry-bulb temperature (actual air temperature) Temperatures may be in either Celsius or Fahrenheit; Indoors the following formula is used:

  6. Critical relative humidity - Wikipedia

    en.wikipedia.org/wiki/Critical_relative_humidity

    Table 2: Critical relative humidities of mixtures of salts at 30°C (values are percent relative humidity). As shown, the effect of salt mixing is most dramatic in the case of ammonium nitrate with urea. This mixture has an extremely low critical relative humidity and can therefore only be used in liquid fertilisers (so called UAN-solutions).

  7. Template:Weather box - Wikipedia

    en.wikipedia.org/wiki/Template:Weather_box

    A table that displays climate trends for a specific location. Template parameters [Edit template data] This template prefers block formatting of parameters. Parameter Description Type Status width width The width of the template - use "auto" for auto width, enter a percentage for custom scaling, remove for default scaling. Default 100% Example auto String optional collapsed collapsed Enter ...

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  9. Equilibrium moisture content - Wikipedia

    en.wikipedia.org/wiki/Equilibrium_moisture_content

    At a constant relative humidity of air, the EMC will drop by about 0.5% for every increase of 10 °C air temperature. [2] The following table shows the equilibriums for a number of grains (data from [1]). These values are only approximations since the exact values depend on the specific variety of a grain. [2]

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