Temperature Prediction in Stratified Reservoirs

by Wayne C. Huber, Asst. Prof.; Dept. of Envir. Engrg., Univ. of Florida, Gainesville, FL,
Donald R. F. Harleman, Prof.; Dept. of Civ. Engrg., Massachusetts Inst. of Technol., Cambridge, MA,
Patrick J. Ryan, Teaching Asst.; Dept. of Civ. Engrg., Massachusetts Inst. of Technol., Cambridge, MA,

Serial Information: Journal of the Hydraulics Division, 1972, Vol. 98, Issue 4, Pg. 645-666

Document Type: Journal Paper

Discussion: Choi Yu-Leuk (See full record)

Abstract: A differential equation is developed to describe the vertical temperature distribution in a stratified reservoir and solved numerically. Outlet temperatures are an integration of temperatures from within the withdrawal layer, the thickness of which depends upon the degree of stratification. A comparison of predicted and measured temperatures from the laboratory and field indicates that the mathematical model is capable of reproducing measured temperature profiles to within an accuracy of approximately 1°C without requiring any parameters that must be determined from prior temperature measurements. A net vertical advection is the primary mechanism by which heat is transported from the surface to the reservoir outlet.

Subject Headings: Temperature distribution | Reservoirs | Temperature effects | Water stratification | Model accuracy | Differential equations | Numerical methods |

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