Meteorology for Air Pollution Control Engineers11

Meteorology for Air Pollution Control Engineers11 - 3.2 Air...

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1 3.2 Air Density Change with Pressure n The basic equation of fluid statics, also called the barometric  equation, states that (2) where z = vertical distance g = acceleration due to gravity dp g dz ρ = -
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2 n The pressure at any point in the atmosphere or in the oceans or  inside the ground is that pressure needed to support the weight of  everything above that point. n If we substitute Eq. (1) in Eq. (2), we have  (3) dP P dP gMP
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Meteorology for Air Pollution Control Engineers11 - 3.2 Air...

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