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2024 ANS Winter Conference and Expo
November 17–21, 2024
Orlando, FL|Renaissance Orlando at SeaWorld
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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.
Tsutomu Hoshino, Jiro Wakabayashi, Shigenori Hayashi
Nuclear Science and Engineering | Volume 23 | Number 2 | October 1965 | Pages 170-182
Technical Paper | doi.org/10.13182/NSE65-A28142
Articles are hosted by Taylor and Francis Online.
An expression different from the conventional modal expansion about space-dependent linear system kinetics is proposed. The solution is expressed in the form of a Laplace-transformed source transfer function. The Taylor expansion of the function in ‘s’ (the variable in the transformed domain) is obtained by solving the related stationary equations. The series is approximately continued to the simple form of the transfer function such as the first-order lag or the transport lag expression. In this method, it is not necessary to solve the eigenvalue problem directly. This solution contains the contribution from the higher modes and gives a practical approximation in a simple form, even if the response includes much higher modes. A numerical example is shown. This method is also applicable to general linear distributed constant systems. Some applications to coupled reactor theory and to thermalization kinetics are mentioned.