PHILIPPE PSAILA / SCIENCE PHOTO LIBRARY PHILIPPE PSAILA / SCIENCE PHOTO LIBRARY
Nuclear power station construction. Worker using equipment to check the quality of the construction of a steam generator for a nuclear power plant. Steam generators are cylindrical structures (over 20 metres high) used in pressurized water reactors (PWRs). Thousands of tubes will be inserted into holes in support plates like this, to form what is known as the tubing bundle. Pressurized water that has been heated by the nuclear reactor passes into these thin tubes that will be surrounded by water. The heat boils the water, forming steam that will rotate electricity-generating turbines (not seen). Photographed at the Framatome ANP facility at Chalon/Saint Marcel, France.
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