Question

Днем при 22°С относительная влажность воздуха была 70%. Сколько воды в виде росы выделится из каждого кубического метра воздуха, если температура ночью понизилась до 12°С? Таблица плотности насыщенных паров воды приведена ниже.

Answer 1

Предполагаю при 22 С и 70 % абсолютная влажность около (16,1-12,1)*2/5+12,1 =  13,7 г/m3
предполагаю при 12 С и 100 % абсолютная влажность около (12,8-9,4)*2/5+9,4 = 10,76 г/m3
вывод - выпадет роса ~ 3 г/m3

Answer 2

1 Найдем плотность пара при 22 градусах
p = p нас* 0,7=19,4*0,7=13,58 г/ м3
2 найдем плотность пара по таблице при 12 градусах  p2=10,7г/м 3
 выделится  воды при конденсации 13,58-10,7=2,88 г  из каждого кубометра воздуха

Answer 3

Calculation of Water Condensation

To calculate the amount of water that will condense as dew from each cubic meter of air, we need to consider the change in temperature and the relative humidity.

Given: - Daytime temperature: 22°C - Daytime relative humidity: 70% - Nighttime temperature: 12°C

To calculate the amount of water that will condense, we need to determine the difference between the actual vapor pressure and the saturation vapor pressure at the lower temperature.

1. Calculate the saturation vapor pressure at the daytime temperature of 22°C. - According to the provided search results, we don't have access to the specific table of saturation vapor pressure values. Therefore, we cannot provide an exact value for the saturation vapor pressure at 22°C. However, we can use the general relationship that the saturation vapor pressure increases with temperature.

2. Calculate the saturation vapor pressure at the nighttime temperature of 12°C. - Similarly, we don't have access to the specific table of saturation vapor pressure values. However, we can assume that the saturation vapor pressure at 12°C is lower than at 22°C.

3. Calculate the actual vapor pressure at the daytime temperature of 22°C using the relative humidity. - The actual vapor pressure is the amount of water vapor present in the air at a given temperature and relative humidity. It can be calculated using the following formula:

Actual Vapor Pressure = Relative Humidity * Saturation Vapor Pressure

4. Calculate the actual vapor pressure at the nighttime temperature of 12°C using the relative humidity. - Again, we don't have access to the specific table of saturation vapor pressure values. However, we can assume that the actual vapor pressure at 12°C is lower than at 22°C due to the decrease in temperature.

5. Calculate the difference between the actual vapor pressure at 22°C and the actual vapor pressure at 12°C. - This difference represents the amount of water that will condense as dew.

Please note that without specific values for the saturation vapor pressure at 22°C and 12°C, we cannot provide an exact calculation for the amount of water that will condense. However, the general principle is that as the temperature decreases, the air's ability to hold moisture decreases, leading to condensation.

If you have access to the specific table of saturation vapor pressure values, you can use it to calculate the exact amount of water that will condense.