Japanese Experience with Intake Designs

by Yusuf G. Mussalli, Stone & Webster Engineering, Corp, Plant Services Dep, Boston, MA, USA,
Atushi Kawabe, Stone & Webster Engineering, Corp, Plant Services Dep, Boston, MA, USA,



Document Type: Proceeding Paper

Part of: Water for Resource Development

Abstract: To diversify its power sources, Japan has operating or under construction some 37 nuclear power units. This technology and the design criteria are imported from the U. S. The power plants are primarily located along the coast relying on seawater for condenser cooling. The power plants are designed for a temperature rise across the condenser of 7 degree C (12 degree F). This results in very large cooling water flows. For example, the Ohi Nuclear Plant of 1175 Mw withdraws 75 m**3/sec (2650 cfs) of flow. Some of the successful Japanese experiences may be applied in the U. S. These include: improved screening systems, simple designs to control jellyfish, adjustable pitch blade pumps, and robotics for fouling control.

Subject Headings: Power plants | Temperature effects | Hydro power | Cooling (wastewater treatment) | Nuclear power | Steam power | Sea water | Water flow | Japan | Asia

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