A unified empirical correlation for evaporation of water at low air velocities
- Univ. of Auckland (New Zealand). Dept. of Mechanical Engineering
This paper presents a simple empirical correlation to predict the rate of water evaporation from small exposed water bodies. The correlation is a function of air velocity and difference between saturated vapor pressure of water body and partial water vapor pressure of the surrounding air. Earlier correlations were valid only for either still air or for minimum air velocities from 0.9 m/s whereas this correlation can predict the rate of water evaporation even from still air to air velocities up to 5.36 m/s. The correlation is particularly relevant to predicting the evaporation rates of defrosted water in domestic refrigerators where the air velocities in home kitchen environment are very low, i.e. between 0 and 0.9 m/s.
- OSTI ID:
- 616176
- Journal Information:
- International Communications in Heat and Mass Transfer, Vol. 25, Issue 2; Other Information: PBD: Feb 1998
- Country of Publication:
- United States
- Language:
- English
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