The TENDL library: Hope, reality and future
The TALYS Evaluated Nuclear Data Library (TENDL) has now 8 releases since 2008.
Considerable experience has been acquired for the production of such general-purpose …
Considerable experience has been acquired for the production of such general-purpose …
Nuclear data uncertainties for typical LWR fuel assemblies and a simple reactor core
The impact of the current nuclear data library covariances such as in ENDF/B-VII. 1, JEFF-
3.2, JENDL-4.0, SCALE and TENDL, for relevant current reactors is presented in this work …
3.2, JENDL-4.0, SCALE and TENDL, for relevant current reactors is presented in this work …
Extension of SCALE/Sampler's sensitivity analysis
F Bostelmann, D Wiarda, G Arbanas… - Annals of Nuclear …, 2022 - Elsevier
Nuclear data are a major source of uncertainties in reactor physics calculations. The
propagation of nuclear data uncertainties to important system responses is instrumental …
propagation of nuclear data uncertainties to important system responses is instrumental …
XGPT: Extending Monte Carlo Generalized Perturbation Theory capabilities to continuous-energy sensitivity functions
The XGPT method extends the Generalized Perturbation Theory capabilities of Monte Carlo
codes to continuous-energy sensitivity functions. In this work, this method is proposed as a …
codes to continuous-energy sensitivity functions. In this work, this method is proposed as a …
Sensitivity and uncertainty analysis of neutron activation source terms based on statistical sampling method
X Yu, J Zhang, Y Xiao, W Ni, J Wang - Progress in Nuclear Energy, 2024 - Elsevier
The calculation of neutron activation source terms is an essential task in the radiation of
nuclear reactors, and its sensitivity and uncertainty (S&U) analysis can help better identify …
nuclear reactors, and its sensitivity and uncertainty (S&U) analysis can help better identify …
Stochastic vs. sensitivity-based integral parameter and nuclear data adjustments
Developments in data assimilation theory allow to adjust integral parameters and cross
sections with stochastic sampling. This work investigates how two stochastic methods …
sections with stochastic sampling. This work investigates how two stochastic methods …
[HTML][HTML] Uncertainty analyses of neutron noise simulations in a zero-power reactor
A comprehensive uncertainty analysis methodology has been established for the modeling
of stationary neutron flux oscillations induced by fuel rods vibration in a zero-power reactor …
of stationary neutron flux oscillations induced by fuel rods vibration in a zero-power reactor …
Uncertainty Quantification of a Light Water Pulsed-Neutron Die-Away Experiment to Thermal Neutron Scattering Laws
Thermal neutron scattering laws are important nuclear data for many nuclear science and
engineering applications. Validation helps to ensure that a thermal neutron scattering law …
engineering applications. Validation helps to ensure that a thermal neutron scattering law …
Nuclear data uncertainty quantification in criticality safety evaluations for spent nuclear fuel geological disposal
Presently, a criticality safety evaluation methodology for the final geological disposal of
Swiss spent nuclear fuel is under development at the Paul Scherrer Institute in collaboration …
Swiss spent nuclear fuel is under development at the Paul Scherrer Institute in collaboration …
Development and application of data assimilation methods in reactor physics
DJ Siefman - 2019 - infoscience.epfl.ch
Simulations of nuclear reactor physics can disagree significantly from experimental
evidence, even when the most accurate models are used. An important part of this bias from …
evidence, even when the most accurate models are used. An important part of this bias from …