Enter the outdoor temperature (C), the solar radiation absorptivity, the extra infrared radiation (W/m^2), and the heat transfer coefficient (W/m^2-k) and the global solar irradiance (W/m^2) into the Sol-Air Temperature Calculator. The calculator will evaluate the Sol-Air Temperature.
- All Temperature Calculators
- Radiant Heat Calculator
- Mixed Air Temperature Calculator
- Sidewalk Temperature Calculator
Sol-Air Temperature Formula
The following formula is used to calculate the Sol-Air Temperature.
Tsa = To + (a*I - Q) / h
Variables:
- Tsa is the Sol-Air Temperature (C)
- To is the outdoor temperature (C)
- a is the solar radiation absorptivity
- I is the global solar irradiance (W/m^2)
- Q is the extra infrared radiation (W/m^2)
- h is the heat transfer coefficient for radiation (W/m^2-K)
How to Calculate Sol-Air Temperature?
The following steps outline how to calculate the Sol-Air Temperature.
- First, determine the outdoor temperature (C).
- Next, determine the solar radiation absorptivity.
- Next, determine the global solar irradiance (W/m^2).
- Next, gather the formula from above = Tsa = To + (a*I – Q) / h.
- Finally, calculate the Sol-Air Temperature.
- After inserting the variables and calculating the result, check your answer with the calculator above.
Example Problem:
Use the following variables as an example problem to test your knowledge.
outdoor temperature (C) = 4
solar radiation absorptivity = 59
global solar irradiance (W/m^2) = 122
extra infrared radiation (W/m^2) = 20
heat transfer coefficient for radiation (W/m^2-K) =100
Tsa = To + (a*I – Q) / h = ?
