Search Results - "Source term"

Research on radiological consequences analysis of reactor control rod ejection accident based on peak radial average fuel enthalpy rise

Authors: Jie Mao Qiliang Mei Shengqin Gao et al.

Source: International Journal of Advanced Nuclear Reactor Design and Technology, Vol 7, Iss 3, Pp 257-263 (2025)

Subject Terms: Fuel rod gap release fraction, Source term, TK9001-9401, Reactor control rod ejection accident, Nuclear engineering. Atomic power, Offsite radiological consequence, Radial average fuel enthalpy rise

Access URL: https://doaj.org/article/eab2722901e2448db0acfc993acc848b

Impact of revised RG 1.183 on source terms and radiological consequences of rod ejection accident for the HRP1000 reactor

Authors: Yichen Chen Changdong Lu Zewu Zhao et al.

Source: International Journal of Advanced Nuclear Reactor Design and Technology, Vol 7, Iss 3, Pp 250-256 (2025)

Subject Terms: Rod ejection accidents, Radiological consequences, Source term, TK9001-9401, Nuclear engineering. Atomic power

Access URL: https://doaj.org/article/e868ec49b7fa43648d73ba0d45a264c2

Many wrong models approach to localise an odour source in turbulence with static sensors

Authors: Piro, Lorenzo Heinonen, Robin A. Cencini, Massimo et al.

Source: Journal of Turbulence. 26:153-173

Subject Terms: many wrongs principle, Physics - Atmospheric and Oceanic Physics, source term estimation, 13. Climate action, Physics - Data Analysis, Statistics and Probability, Bayesian inference, turbulence, Atmospheric and Oceanic Physics (physics.ao-ph), Fluid Dynamics (physics.flu-dyn), FOS: Physical sciences, Physics - Fluid Dynamics, sensors, Data Analysis, Statistics and Probability (physics.data-an)

File Description: application/pdf

Access URL: http://arxiv.org/abs/2407.08343

Qualitative properties of solutions to the viscoelastic beam equation with damping and logarithmic nonlinear source terms

Authors: Gao Yanchao Pan Bingbai

Source: Advances in Nonlinear Analysis, Vol 14, Iss 1, Pp 8831-8854 (2025)

Subject Terms: viscoelastic term, damping term, logarithmic source term, decay estimation, blow-up, 35a01, 35a02, 35d30, 35g31, 46e35, Analysis, QA299.6-433

File Description: electronic resource

Relation: https://doaj.org/toc/2191-950X

Access URL: https://doaj.org/article/0c2dc551ea4a4e1da7d9ab0716b0f8b2

Preliminary study on the postulated siting accident source term of integrated small reactor

Authors: Dawei Sun Shengqin Gao Liang Zhai et al.

Source: International Journal of Advanced Nuclear Reactor Design and Technology, Vol 7, Iss 1, Pp 1-6 (2025)

Subject Terms: Source term, TK9001-9401, Nuclear engineering. Atomic power, Postulated siting accident, Integrated small reactor

Access URL: https://doaj.org/article/c3e8c3790565401b8138162de47ab037

Major Achievements of the EC MUSA Project

Authors: Herranz, L. E. Beck, S. Sánchez-Espinoza, V. H. et al.

Source: Nuclear Technology. :1-11

Subject Terms: Technology, ddc:600, UaSA, Severe accident analysis, uncertainty and sensitivity analyses, source term

Silent Sources on a Surface for the Helmholtz Equation and Decomposition of \({L^2}\) Vector Fields: Silent sources on a surface for the Helmholtz equation and decomposition of \(L^2\) vector fields

Authors: L. Baratchart H. Haddar C. Villalobos Guillén

Source: SIAM Journal on Mathematical Analysis. 57:682-713

Subject Terms: 101028 Mathematical modelling, Inverse problems for PDEs, Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation, inverse problems, Applications of functional analysis in optimization, convex analysis, mathematical programming, economics, silent sources, 101028 Mathematische Modellierung, source term in divergence form, Helmholtz equation, Applications of functional analysis to differential and integral equations, decomposition of vector fields

File Description: application/xml

Source reconstruction via deposition measurements of an undeclared radiological atmospheric release

Authors: Stijn Van Leuven Pieter De Meutter Johan Camps et al.

Source: eISSN
ATMOSPHERIC CHEMISTRY AND PHYSICS

Subject Terms: ACCIDENT, RECEPTOR MATRIX CALCULATION, AIR CONCENTRATION, Physics and Astronomy, SOURCE-TERM, INVERSION, PARTICLE DISPERSION MODEL

File Description: application/pdf

Access URL: https://acp.copernicus.org/articles/25/9199/2025/
https://egusphere.copernicus.org/preprints/2025/egusphere-2024-4057/
http://hdl.handle.net/1854/LU-01K3GBPKJ8B4KMRD2EH4WCP20Y
https://biblio.ugent.be/publication/01K3GBPKJ8B4KMRD2EH4WCP20Y
https://biblio.ugent.be/publication/01K3GBPKJ8B4KMRD2EH4WCP20Y/file/01K3GBTXJ9ZABRE56V9GWDQP4J
http://doi.org/10.5194/acp-25-9199-2025

A numerical approach to approximate the solution of a quasilinear singularly perturbed parabolic convection diffusion problem having a non-smooth source term

Authors: Ruby Vembu Shanthi Higinio Ramos

Source: AIMS Mathematics, Vol 10, Iss 3, Pp 6827-6852 (2025)

Subject Terms: standard upwind scheme, convection diffusion, QA1-939, shishkin mesh, discontinuous source term, weak interior layer, quasilinear, singular perturbation, backward euler method, Mathematics

Access URL: https://doaj.org/article/7c694ad80eff4d018c0c812230e5224e

Enhanced Reward Function Design for Source Term Estimation Based on Deep Reinforcement Learning

Authors: Junhee Lee Hongro Jang Minkyu Park et al.

Source: IEEE Access, Vol 13, Pp 87777-87792 (2025)

Subject Terms: particle filter, deep Q-network, deep reinforcement learning, reward function, Source term estimation, Bayesian inference, Electrical engineering. Electronics. Nuclear engineering, TK1-9971

Access URL: https://doaj.org/article/400def8a55bc4de2ba718d67cc472bde

Vanishing magnetic field limits of solutions to the non-isentropic Chaplygin gas magnetogasdynamics equations

Authors: Jingye Zhao Zonghua Wei Jiahui Liu et al.

Source: AIMS Mathematics, Vol 10, Iss 1, Pp 1675-1703 (2025)

Subject Terms: QA1-939, delta shock, source term, riemann problem, non-isentropic chaplygin gas magnetogasdynamics equations, Mathematics, vanishing magnetic field limits

Access URL: https://doaj.org/article/8f78fb1f129641c7a0a215d972612838

Organic Telluride Formation from Paint Solvents Under Gamma Irradiation

Authors: Pasi, Anna-Elina Foreman, Mark Ekberg, Christian

Source: Nuclear Technology. 208(11):1734-1744

Subject Terms: Severe accident, source term, fission product, tellurium

File Description: electronic

Access URL: https://research.chalmers.se/publication/530995
https://research.chalmers.se/publication/530995/file/530995_Fulltext.pdf

Quartic B-Spline Technique for Third-Order Linear Singularly Perturbed Boundary Value Problem with Discontinuous Source Term

Authors: Shilpkala T. Mane Ram Kishun Lodhi

Source: International Journal of Mathematical, Engineering and Management Sciences, Vol 10, Iss 4, Pp 1178-1191 (2025)

Subject Terms: singularly perturbed problem, reaction-diffusion type, quartic b-spline method, discontinuous source term, truncation error, Technology, Mathematics, QA1-939

File Description: electronic resource

Relation: https://www.ijmems.in/cms/storage/app/public/uploads/volumes/56-IJMEMS-24-0774-10-4-1178-1191-2025.pdf; https://doaj.org/toc/2455-7749

Access URL: https://doaj.org/article/624f22c19d7143918ea1ca7ed4470445

Current Status and Challenges in Research on Chemistry and Radionuclide Migration Behavior of High-Level Radioactive Waste Disposal

Authors: Duo ZHOU Bo WANG Cheng-ming SHANG et al.

Source: He huaxue yu fangshe huaxue, Vol 47, Iss 4, Pp 419-433 (2025)

Subject Terms: high-level radioactive waste, geological disposal, radionuclide migration, leaching source term, redox reaction, Nuclear engineering. Atomic power, TK9001-9401, Chemical technology, TP1-1185

File Description: electronic resource

Relation: https://doaj.org/toc/0253-9950

Access URL: https://doaj.org/article/a939d8fcaa1641a18db0d49b7a2a68d5

Experimental insights into the formation and characterization of iodine oxide aerosols

Authors: Mariam Manish Joshi Amruta Nakhwa et al.

Source: Frontiers in Nuclear Engineering, Vol 4 (2025)

Subject Terms: QC717.6-718.8, iodine oxides, chemical characterization, Nuclear and particle physics. Atomic energy. Radioactivity, Plasma physics. Ionized gases, iodine oxidation, source term, QC770-798, aerosols

Access URL: https://doaj.org/article/1fb5dc3dadd04bcca53cc7da38d46213

Semi-implicit-Type Order-Adaptive CAT2 Schemes for Systems of Balance Laws with Relaxed Source Term: Semi-implicit-type order-adaptive CAT2 schemes for systems of balance laws with relaxed source term

Authors: Macca E. Boscarino S.

Source: Communications on Applied Mathematics and Computation. 7:151-178

Subject Terms: Numerical methods for stiff equations, hyperbolic system of balance laws with stiff source term, Finite difference methods for initial value and initial-boundary value problems involving PDEs, Semi-implicit · Compact approximate Taylor (CAT) · Multi-dimensional optimal order detection (MOOD) · Hyperbolic system of balance laws with stiff source term, semi-implicit, FOS: Mathematics, compact approximate Taylor (CAT), Error analysis and interval analysis, Mathematics - Numerical Analysis, Numerical Analysis (math.NA), Stability and convergence of numerical methods for initial value and initial-boundary value problems involving PDEs, First-order hyperbolic equations, multi-dimensional optimal order detection (MOOD)

File Description: application/xml; application/pdf

Access URL: http://arxiv.org/abs/2309.13954
https://zbmath.org/7996404
https://doi.org/10.1007/s42967-024-00414-w
https://hdl.handle.net/20.500.11769/634829
https://doi.org/10.1007/s42967-024-00414-w

A Discrete Boltzmann Approach for Numerical Simulation of Wetting and Drying in Shallow Flows

Authors: Ting Zhang Yong Peng Yu Qian et al.

Source: Water Resources Research, Vol 61, Iss 11, Pp n/a-n/a (2025)

Subject Terms: shallow water equations, wetting and drying fronts, discrete Boltzmann method, dam‐break flow, treatments of source term, Environmental sciences, GE1-350

File Description: electronic resource

Relation: https://doaj.org/toc/0043-1397; https://doaj.org/toc/1944-7973

Access URL: https://doaj.org/article/dc847f2347754d9589e84827353fb758

Probabilistic Model Chain Methodology for evaluating radiological consequences of accidents in High-Temperature Gas-Cooled Reactor

Authors: Piotr Kopka Michał Spirzewski Piotr Darnowski

Source: Nuclear Engineering and Technology, Vol 57, Iss 11, Pp 103779- (2025)

Subject Terms: Dose analysis, Probabilistic model chain methodology, Nuclear safety analysis, Source term, JRODOS, HTGR, Nuclear engineering. Atomic power, TK9001-9401

File Description: electronic resource

Relation: http://www.sciencedirect.com/science/article/pii/S173857332500347X; https://doaj.org/toc/1738-5733

Access URL: https://doaj.org/article/70e6e0470131464dabeea055c1a5bf28

A simple accident management support tool based on source-term category using RNN-LSTM

Authors: Wonjun Choi Sung Joong Kim

Source: Nuclear Engineering and Technology, Vol 57, Iss 10, Pp 103716- (2025)

Subject Terms: Accident management support tool, Severe accident, RNN-LSTM, Source-term category, MELCOR, Severe accident management guidance, Nuclear engineering. Atomic power, TK9001-9401

File Description: electronic resource

Relation: http://www.sciencedirect.com/science/article/pii/S1738573325002840; https://doaj.org/toc/1738-5733

Access URL: https://doaj.org/article/bc1e4806b4e44a17a08e654a22b503f9

Friction and geometric source terms in a 1D augmented shallow water equations system

Authors: Valiani, A. Caleffi, V.

Source: Advances in Water Resources. 204:105055

Subject Terms: Shallow water equations, Uneven trapezoidal channel, Augmented SWE, Dam break on dry bed, Equivalent bed slope, Friction source term, Geometric source term