As nuclear engineers well understand, the water in nuclear reactor containment vessels moderates the speed of the neutrons released by the uranium in order to sustain the chain reaction, and carries ...

Countercurrent flow limitations (CCFL) represent a critical safety and operational consideration in pressurised water reactors (PWRs). In these systems, opposing flows of coolant and vapour within ...

The first two main coolant pumps for the Sanmen AP1000 plant are on their way back to China after repair work and re-testing, China's State Nuclear Power Technology Corp (SNPTC) has announced. The ...

The first of four main pumps for China's ACP100 small modular reactor demonstration project has passed factory acceptance tests and been shipped to the construction site at the Changjiang on the ...

A nuclear reactor is a device that generates heat through a controlled release of energy from splitting the atoms of certain elements. In nuclear power plants, the heat produces steam, which drives ...

Although the concept of nuclear fission is a simple and straightforward one, the many choices for fuel types, fuel design, reactor configurations, coolant types, neutron moderator or reflector types, ...