Optimization of Power Plant Cooling Water

by Liang-Tseng Fan, Prof. and Head; Dept. of Chem. Engrg., Inst. for Systems Design and Optimization, Kansas State Univ., Manhattan, KS,
Jie-Tsai Tseng, Grad. Res. Asst.; Dept. of Chem. Engrg., Inst. for Systems Design and Optimization, Kansas State Univ., Manhattan, KS,
Ching-Lai Hwang, Assoc. Prof.; Dept. of Industrial Engrg., Inst. for Systems Design and Optimization, Kansas State Univ., Manhattan, KS,


Serial Information: Journal of the Power Division, 1971, Vol. 97, Issue 4, Pg. 841-860


Document Type: Journal Paper

Abstract: The literature on dynamic mathematical models of water quality in streams and the temperature effects on DO and BOD concentrations is reviewed. The models for predicting temperature and water quality in the stream are nonlinear distributed parameter systems. A method of optimal control for distributed parameter systems is applied to the determination of an optimal cooling water discharge policy of a power plant. Such a policy permits a plant to operate at the highest possible efficiency without violating a preassigned stream quality criterion. The spatial distribution of temperature and its temporal change and their effects on the BOD and DO distributions in a stream are simultaneously determined.

Subject Headings: Water quality | Rivers and streams | Hydro power | Power plants | Temperature effects | Temperature distribution | Dynamic models | Mathematical models

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