Prediction of Temperature Due to Heated Discharges

by Joseph C. Cataldo, (M.ASCE), Asst. Prof. of Civ. Engrg.; The Cooper Union for the Advancement of Sci. and Art, New York, N.Y.,
Alvin S. Goodman, (F.ASCE), Prof. of Civ. Engrg.; Polytechnic Inst. of New York, Brooklyn, N.Y.,
Richard R. Zavesky, (A.M.ASCE), Formerly Research Asst.; Polytechnic Inst. of New York, Brooklyn, N.Y.,


Serial Information: Journal of the Power Division, 1978, Vol. 104, Issue 2, Pg. 199-212


Document Type: Journal Paper

Abstract: A phenomenological model has been developed for the prediction of subsurface temperature from a given set of surface isotherms due to heated effluent discharge from a thermal-electric power plant. When surface isotherms are obtained from infrared overflight measurements the model can provide estimates of subsurface isotherms. For given categories of surface discharge and lake conditions, exponential equations relating areas and temperatures along the center line of the plume for surface isotherms to areas and center line temperatures for subsurface isotherms are used to predict subsurface temperatures within approx 0.25°C (0.45°F) of the measured temperatures, for depths up to 10 ft below the surface. The data used to calibrate and verify the model are a comprehensive set of triaxial hydrothermal surveys of Lake Michigan, conducted by Argonne National Laboratories. The model is also used to predict subsurface temperatures in Lake Ontario.

Subject Headings: Temperature effects | Subsurface environment | Lakes | Power plants | Data processing | Terrain models | Thermal analysis | Lake Ontario

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