Three-Dimensional Temperature Model for Shallow Lakes

by James C. Uzzell, Jr., Engr.; The Johns Hopkins Univ., Applied Physics Lab., Laurel, Md.,
M. Necati Ozisik, Prof.; Dept. of Mech. and Aerospace Engrg., North Carolina State Univ., Raleigh, N.C.,

Serial Information: Journal of the Hydraulics Division, 1978, Vol. 104, Issue 12, Pg. 1635-1645

Document Type: Journal Paper


A pseudo three-dimensional time-dependent analytical model is developed for the prediction of temperature distribution in lakes resulting from thermal discharges. For the special case of lakes having a uniform depth, rectangular geometry and a constant axial velocity explicit analytical solutions are presented. Sample calculations are performed to demonstrate the effects of the time variation of the thermal loading, different types of boundary conditions, circulation velocities, and eddy conductivity coefficients on the surface temperature distribution along the lake as a function of time.

Subject Headings: Three-dimensional models | Temperature distribution | Thermal analysis | Temperature effects | Shallow water | Lakes | Thermal pollution | Velocity distribution

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