The air temperature in the room is t1 = 20 ° С. The relative humidity is f = 60%. At what temperature t2
| May 30, 2021 | education
The air temperature in the room is t1 = 20 ° С. The relative humidity is f = 60%. At what temperature t2 of the air outside the window will the window panes start fogging up?
t1 = 20 ° C.
f = 60%.
t2 -?
The glasses will start to fog up when the temperature reaches the dew point temperature. At this temperature, condensation of water vapor occurs, which is in the air.
f = t2 * 100% / t1.
t2 = f * t1 / 100%.
t2 = 60% * 20 ° C / 100% = 12 ° C.
Answer: t2 = 12 ° C.
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