Comparison of Warm Water Evaporation Equationsby Richard N. Weisman, (A.M.ASCE), Lect.; Dept. of Civ. Engrg., Univ. of Canterbury, Christchurch, New Zealand,
Serial Information: Journal of the Hydraulics Division, 1975, Vol. 101, Issue 10, Pg. 1303-1313
Document Type: Journal Paper
Errata: (See full record)
Two methods of calculating the evaporation and, using the Bowen ratio, the sensible heat flux from warm water bodies are presented and their results compared. One method is empirical in that free convective and forced convective terms are simply added. The other method is a fluid mechanical approach combining the effects of free and forced convection in a nonlinear way by the use of the Monin-Obukhov similarity theory. The comparison of results depends on the value of roughness length. A specific roughness length allows the results of the two methods to compare within several percent.
Subject Headings: Evaporation | Comparative studies | Water management | Fluid mechanics | Nonlinear analysis | Empirical equations
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