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Division Spotlight
Robotics & Remote Systems
The Mission of the Robotics and Remote Systems Division is to promote the development and application of immersive simulation, robotics, and remote systems for hazardous environments for the purpose of reducing hazardous exposure to individuals, reducing environmental hazards and reducing the cost of performing work.
Meeting Spotlight
2024 ANS Winter Conference and Expo
November 17–21, 2024
Orlando, FL|Renaissance Orlando at SeaWorld
Standards Program
The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
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New laws offer nuclear industry incentives for existing power plant uprates
This year, the U.S. nuclear industry received a much-needed economic boost that could help preserve operating nuclear power plants and incentivize upgrades that extend their lifespan and power output.
Signed into law in 2022, the Inflation Reduction Act offers production tax credits (PTCs) for existing nuclear power plants and either PTCs or investment tax credits (ITCs) for new carbon-free generation. These credits could make power uprates—increasing the maximum power level at which a commercial plant may operate—a much more appealing option for utilities.
Amir N. Nahavandi
Nuclear Science and Engineering | Volume 14 | Number 3 | November 1962 | Pages 272-286
doi.org/10.13182/NSE62-A26217
Articles are hosted by Taylor and Francis Online.
A digital computer analysis of the loss-of-coolant accident in the primary system of a multicircuit core nuclear power plant in the event of a complete severance of a pressure or jumper tube is presented. The time-dependent mass, momentum, and energy balance differential equations are expressed in finite difference form and solved numerically on an IBM-7090 digital computer together with the equations of state, system boundary conditions, and constraints. The system mass flow rate, pressure, and enthalpy distribution are calculated together with the other important system properties as functions of time during the transient operation following the break. The application of the analysis to the Carolinas-Virginia Tube Reactor indicates that the loss-of-coolant accident could lead to flow starvation in the reactor core and steam formation in the primary pump with subsequent core damage if no corrective action were taken. The flow starvation and steam formation problems are solved by the operation of a high pressure, high capacity emergency injection pump with fast starting characteristics.