(湿度图)[1]的计算是非常有用的。[![在这里输入图像描述][2]][3]有很多信息和图表看上去势不可挡。你可以点击图表看大图。* 35°F ~ 2°C,略高于冰点。我们所说的温度是“干球温度”,它是显示在轴,绿色。*相对湿度显示在红色的曲线。让我们把一个十字架在室外空气的图表:[![在这里输入图像描述][4]][4]的水分含量(克水每克干空气)是显示在轴的图表。这是大约0.003或3 g /公斤。 It's called "Humidity ratio" on the chart. This ratio does not depend on the dry-bulb temperature. If you take outdoor air and raise its temperature from 35°F to 72°F (~2°C -> ~22°C), you'll land on this point: [![enter image description here][5]][5] The relative humidity is now a bit below 20%. Which, by the way, is too dry, and your [nose will probably notice][6]. [1]: https://en.wikipedia.org/wiki/Psychrometrics#Psychrometric_charts [2]: https://i.stack.imgur.com/kuvLY.png [3]: https://en.wikipedia.org/wiki/Psychrometrics#/media/File:PsychrometricChart.SeaLevel.SI.svg [4]: https://i.stack.imgur.com/aaUbM.png [5]: https://i.stack.imgur.com/wiDJm.png [6]: https://en.wikipedia.org/wiki/Thermal_comfort#Relative_humidity