Meteorology for Air Pollution Control Engineers22

Meteorology for Air Pollution Control Engineers22 -...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
1 3.5 Moisture n Most of the moisture in the atmosphere is evaporated  from tropical oceans. n Fig. 5.10 (next slide) shows the overall water balance for  the world oceans and the land.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Background image of page 2
3 n The average residence time of a water molecule in the  world atmosphere is about nine days. n When a parcel of moist air is dispersed upward by solar  heating or by some mechanical disturbulence, its 
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Background image of page 4
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: temperature behavior is almost the same as that of a parcel of dry air. 4 n In Eq. (5) the M and Cp are slightly perturbed by the moisture content but the effect is small. n However, as the parcel is raised, its relative humidity, described by Eq. (6), increases. (6) water water y P Humidity Relative humidity Saturation humidity p = =...
View Full Document

{[ snackBarMessage ]}

Page1 / 4

Meteorology for Air Pollution Control Engineers22 -...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online