Physical Modeling of Heated Discharges into a Stagnant River

by Patrick J. Ryan, Bechtel Civil Inc,
Adnan Alsaffar, Bechtel Civil Inc,
Mohamed Gasser, Bechtel Civil Inc,
Ibrahim Dessouki, Bechtel Civil Inc,
Ahmed Abdel Halim, Bechtel Civil Inc,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering


An alternative cooling system study was performed for the Damietta Combined Cycle Plant in Egypt. The alternatives included spray canals, helper cooling tower and once-through cooling. Factors such as capital and operating costs, maintenance and limited space on the site, led to rejection of the first two alternatives and the selection of once-through cooling. An important factor in the study was the effect of near zero river flow on the mixing zone size and on the recirculation into the intake. Analytical and physical model studies were performed to optimize the location and configuration of the intake and discharge structures.

Subject Headings: Physical models | Water discharge | Rivers and streams | Water intakes | Hydraulic models | Optimization models | Structural models | Developing countries | Egypt | Africa | Middle East | Nile River

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