Formula
The formula for is the following:
Where:
- = equivalent temperature
- = Temperature of air at pressure
- = pressure at the point (in same units as )
- = standard reference pressure (1000 mbar or 100 kPa)
- = specific gas constant for air (287 J/(kg·K))
- = specific heat of dry air at constant pressure (1004 J/(kg·K))
- = latent heat of evaporation (2400 kJ/kg {at 25 °C} to 2600 kJ/kg {at −40 °C})
- = mixing ratio of water vapor mass per mass of dry air (g/Kg or in Kg/Kg.)
Read more about this topic: Equivalent Potential Temperature
Famous quotes containing the word formula:
““It’s hard enough to adjust [to the lack of control] in the beginning,” says a corporate vice president and single mother. “But then you realize that everything keeps changing, so you never regain control. I was just learning to take care of the belly-button stump, when it fell off. I had just learned to make formula really efficiently, when Sarah stopped using it.””
—Anne C. Weisberg (20th century)
“So, if we must give a general formula applicable to all kinds of soul, we must describe it as the first actuality [entelechy] of a natural organized body.”
—Aristotle (384–323 B.C.)
“The formula for achieving a successful relationship is simple: you should treat all disasters as if they were trivialities but never treat a triviality as if it were a disaster.”
—Quentin Crisp (b. 1908)