Nuclear Engineering and Technology最新文献

Optimizing neutron detection: The trapezium O-carborane converter 优化中子探测：梯形o -碳硼烷转炉

IF 2.6 3区工程技术

Nuclear Engineering and Technology Pub Date : 2025-09-30 DOI: 10.1016/j.net.2025.103935

Avinash Nayak, Vikas Kumar, Manoj Kumar Parida

引用次数: 0

Full core fuel burnup assessment of the ITU TRIGA Mark II research reactor using gamma spectroscopy 国际电联TRIGA Mark II型研究堆的全堆芯燃料燃耗评估

IF 2.6 3区工程技术

Nuclear Engineering and Technology Pub Date : 2025-09-27 DOI: 10.1016/j.net.2025.103941

Z. Boduroglu , A. Kaya , O. Erbay , I.A. Reyhancan , M.S. Kiziltas , T. Akyurek

引用次数: 0

Er2O3/P2O5 bismuth phosphate glass substitution: Preparation, optical, physical in nature and radiation-shielding characteristics Er2O3/P2O5磷酸铋玻璃替代品：制备、光学、物理性质及辐射屏蔽特性

IF 2.6 3区工程技术

Nuclear Engineering and Technology Pub Date : 2025-09-27 DOI: 10.1016/j.net.2025.103942

Gharam A. Alharshan , Shaaban M. Shaaban , R.A. Elsad , Shimaa Ali Said

{"title":"Er2O3/P2O5 bismuth phosphate glass substitution: Preparation, optical, physical in nature and radiation-shielding characteristics","authors":"Gharam A. Alharshan , Shaaban M. Shaaban , R.A. Elsad , Shimaa Ali Said","doi":"10.1016/j.net.2025.103942","DOIUrl":"10.1016/j.net.2025.103942","url":null,"abstract":"<div><div>In this work, a series of phosphate glasses doped with varying concentrations of erbium oxide (Er<sub>2</sub>O<sub>3</sub>) was synthesized via the melt–quench method. The samples, coded as Er-X (where X denotes the Er<sub>2</sub>O<sub>3</sub> mol% content), revealed systematic structural and optical modifications with increasing erbium concentration. Substitution of P<sub>2</sub>O<sub>5</sub> by Er<sub>2</sub>O<sub>3</sub> enhanced the density and reduced the molar volume. The optical band gap values decreased from 3.87 to 3.61 eV (direct) and from 3.65 to 3.18 eV (indirect), indicating stronger electronic interactions. Meanwhile, the electronic polarization increased from 2.27 × 10<sup>−25</sup> to 2.38 × 10<sup>−25</sup> cm<sup>3</sup>, the refractive index rose from 2.24 to 2.35, and the metallization criterion declined from 0.42 to 0.39. A reduction in optical transmittance (0.74–0.72) and an increase in reflection loss (0.146–0.162) were also observed with higher Er doping. Radiation shielding efficiency was assessed through Phy-X software and Monte Carlo simulations. The linear attenuation coefficient (LAC) increased with Er content, reaching 96.551 cm<sup>−1</sup> for Er-1.0 at 0.015 MeV, while the half-value layer (HVL) decreased to 8.193 cm at 15 MeV. These results demonstrate that erbium-enriched phosphate glasses possess enhanced shielding capability, making them promising candidates for ionizing radiation protection applications.</div></div>","PeriodicalId":19272,"journal":{"name":"Nuclear Engineering and Technology","volume":"58 2","pages":"Article 103942"},"PeriodicalIF":2.6,"publicationDate":"2025-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145270309","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Public willingness to pay for interim storage facility for spent nuclear fuel in South Korea 公众愿意为韩国乏燃料的临时储存设施买单

IF 2.6 3区工程技术

Nuclear Engineering and Technology Pub Date : 2025-09-27 DOI: 10.1016/j.net.2025.103939

Ji-Yu Kim , So-Yoon Kwak , Seung-Hoon Yoo

{"title":"Public willingness to pay for interim storage facility for spent nuclear fuel in South Korea","authors":"Ji-Yu Kim , So-Yoon Kwak , Seung-Hoon Yoo","doi":"10.1016/j.net.2025.103939","DOIUrl":"10.1016/j.net.2025.103939","url":null,"abstract":"<div><div>As temporary storage capacity for spent nuclear fuel (SNF) nears saturation, securing interim storage facilities (ISFs) has become a critical policy priority in South Korea. This study employs the contingent valuation technique to estimate households' willingness to pay (WTP) for ISF. A dichotomous choice question of whether or not to pay the offered bid was asked, and a spike model was utilized to deal with a WTP of zero. A nationwide survey of 1000 households was conducted in 2024 via one-on-one interviews, with rigorous protocols being employed to ensure methodological validity. The average monthly WTP was obtained as KRW 3244 (USD 2.37) per household, with a 95 % confidence interval of KRW 2922 to 3611 (USD 2.14 to 2.64). Extrapolating this to the national level yields an annual value of KRW 863.52 billion (USD 631.22 million). Socio-economic covariates, including income, metropolitan residency, and awareness of SNF management, exhibited statistically significantly positive effects on the possibility of stating “yes” to a given bid. These findings provide actionable insights for stakeholder-driven decision-making, thereby underscoring the social and economic feasibility of ISFs as a viable solution to the challenges surrounding the country's SNF management.</div></div>","PeriodicalId":19272,"journal":{"name":"Nuclear Engineering and Technology","volume":"58 2","pages":"Article 103939"},"PeriodicalIF":2.6,"publicationDate":"2025-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145270083","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Korean-specific dose coefficients for external environmental exposures: Water contamination 外部环境暴露的韩国特定剂量系数：水污染

IF 2.6 3区工程技术

Nuclear Engineering and Technology Pub Date : 2025-09-26 DOI: 10.1016/j.net.2025.103920

Chansoo Choi , Bangho Shin , Yumi Lee , Yeon Soo Yeom

{"title":"Korean-specific dose coefficients for external environmental exposures: Water contamination","authors":"Chansoo Choi , Bangho Shin , Yumi Lee , Yeon Soo Yeom","doi":"10.1016/j.net.2025.103920","DOIUrl":"10.1016/j.net.2025.103920","url":null,"abstract":"<div><div>The present study produced a comprehensive dataset of Korean-specific organ equivalent dose coefficients (DCs) for 29 radiosensitive organs and effective DCs for water contamination, thereby completing a series following our previous assessments for soil and air contamination. The DCs were calculated for 25 monoenergetic photons and electrons ranging from 0.01 to 8 MeV using the Mesh-type Reference Korean Phantoms (MRKPs) in combination with the Geant4 Monte Carlo radiation transport code. These monoenergetic DCs were further integrated with nuclear decay data to calculate DCs for 1252 radionuclides of 97 elements. When compared with the ICRP-144 values based on the ICRP-110 voxel phantoms, the Korean-specific effective DCs showed differences of up to 16 % for monoenergetic photons and up to a factor of six for monoenergetic electrons. For representative radionuclides, the Korean-specific values agreed within 1 % for Cs-137/Ba-137m and I-131, whereas an 18 % difference was observed for Sr-90/Y-90. These differences arise from interethnic anatomical variation as well as geometric discrepancies between the phantoms. The DCs based on the Korean reference phantoms would be more reliable in dose assessments for the Korean population under external environmental radiation exposure, contributing to the development of radiological protection and post-exposure response strategies specific to the Korean population.</div></div>","PeriodicalId":19272,"journal":{"name":"Nuclear Engineering and Technology","volume":"58 2","pages":"Article 103920"},"PeriodicalIF":2.6,"publicationDate":"2025-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145157129","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A vision-based robotic calibration system for the EAST motional Stark effect diagnostic 基于视觉的机器人EAST运动斯塔克效应诊断标定系统

IF 2.6 3区工程技术

Nuclear Engineering and Technology Pub Date : 2025-09-26 DOI: 10.1016/j.net.2025.103929

Yang Yang , Haiqing Deng , Liang Zhu , Minzhong Qi , Liansheng Du , Hao Han , Jia Fu , Yong Cheng

{"title":"A vision-based robotic calibration system for the EAST motional Stark effect diagnostic","authors":"Yang Yang , Haiqing Deng , Liang Zhu , Minzhong Qi , Liansheng Du , Hao Han , Jia Fu , Yong Cheng","doi":"10.1016/j.net.2025.103929","DOIUrl":"10.1016/j.net.2025.103929","url":null,"abstract":"<div><div>Precise calibration of Motional Stark Effect (MSE) diagnostic sightline is fundamental for reliable plasma current density measurements in EAST tokamak. This paper presents the development and experimental validation of a vision-based robotic system for automatic MSE calibration. The proposed system integrates a 6 degree-of-freedom industrial manipulator with computer vision techniques to achieve three key advancements: (1) automated measurement of sightline pose, (2) polarized light generation and alignment, and (3) synchronized acquisition of optical transmission system responses. The calibration robot system was validated by workspace simulation, test bench in laboratory and practical deployment for MSE calibration within the EAST vacuum vessel during the 2024 and 2025 experimental campaigns. Compared to traditional calibration methods (based on 2021 and 2023 campaign data), the proposed robotic calibration system demonstrates significantly improved performance, by reducing the average sightline pose measurement repeatability deviation from 12.1 mm to 2.0 mm.</div></div>","PeriodicalId":19272,"journal":{"name":"Nuclear Engineering and Technology","volume":"58 2","pages":"Article 103929"},"PeriodicalIF":2.6,"publicationDate":"2025-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145227573","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Very low cycle fatigue behavior of SA508 Gr. 1a LAS and SA312 TP316 SS in displacement-control mode cyclic loads SA508 Gr. 1a LAS和SA312 TP316 SS在位移控制模式下的极低周疲劳行为

IF 2.6 3区工程技术

Nuclear Engineering and Technology Pub Date : 2025-09-25 DOI: 10.1016/j.net.2025.103938

Sang Eon Kim , Jin Weon Kim , Jong-Sung Kim

{"title":"Very low cycle fatigue behavior of SA508 Gr. 1a LAS and SA312 TP316 SS in displacement-control mode cyclic loads","authors":"Sang Eon Kim , Jin Weon Kim , Jong-Sung Kim","doi":"10.1016/j.net.2025.103938","DOIUrl":"10.1016/j.net.2025.103938","url":null,"abstract":"<div><div>This study investigates the deformation and failure behavior of two nuclear structural materials—SA508 Gr.1a low-alloy steel (LAS) and SA312 TP316 stainless steel (SS)—in the very low cycle fatigue (VLCF) regime. Displacement-controlled cyclic tests were performed on notched round-bar specimens with two notch radii (R1.5 and R6.0), spanning both low cycle fatigue (LCF) and VLCF regimes. All tests were conducted at room temperature (RT) under quasi-static loading.</div><div>In the VLCF regime, SA312 TP316 SS exhibited pronounced cyclic hardening that intensified with smaller notch radius and larger displacement amplitude, whereas SA508 Gr.1a LAS showed negligible hardening with little sensitivity to notch radius. Even in the VLCF regime, no significant reduction in fatigue life was observed when the fatigue life exceeded 10 cycles for either material; the fatigue life could be appropriately described by the Coffin–Manson relationship established from the LCF regime. Regardless of the material type or notch radius, all specimens in the VLCF regime with more than 10 cycles failed due to surface cracking, which is a typical failure mode in the LCF regime.</div></div>","PeriodicalId":19272,"journal":{"name":"Nuclear Engineering and Technology","volume":"58 2","pages":"Article 103938"},"PeriodicalIF":2.6,"publicationDate":"2025-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145270082","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Critical assessment of turbulence prediction in square duct flow 方形管道湍流预测的临界评估

IF 2.6 3区工程技术

Nuclear Engineering and Technology Pub Date : 2025-09-23 DOI: 10.1016/j.net.2025.103937

Abdelrahman Irbai , Osman Siddiqui , Tomasz Kwiatkowski , Afaque Shams

{"title":"Critical assessment of turbulence prediction in square duct flow","authors":"Abdelrahman Irbai , Osman Siddiqui , Tomasz Kwiatkowski , Afaque Shams","doi":"10.1016/j.net.2025.103937","DOIUrl":"10.1016/j.net.2025.103937","url":null,"abstract":"<div><div>Prandtl's secondary flows of the second kind occur when turbulent fluid flows through straight, non-circular geometries, even with a uniform axial inlet flow. A prominent example of such geometry is the square duct, where one of its applications is the square cold leg. In this work, fully developed turbulent flow in a square duct is simulated and validated with reference Direct Numerical Simulation (DNS) of a simplified pressurized thermal shock (PTS) scenario. Six turbulent models implemented in Simcenter STAR-CCM+ software were evaluated: v2-f k-ε low Re, linear k-ε low Re, linear SST k-ω, Reynolds Stress Model (RSM), and cubic constitutive relation models (Cubic k-ε low Re and Cubic SST k-ω). The results demonstrated that RSM and cubic constitutive relation models effectively capture the characteristic shape of Prandtl's secondary flow of the second kind. Furthermore, the linear standard <span><math><mrow><mi>k</mi><mo>−</mo><mi>ε</mi></mrow></math></span> with low Re provides the most accurate prediction for u<sup>+</sup> and the mean axial velocity, owing to the relatively weak secondary flow. For predicting the secondary flow velocity field itself, the cubic standard <span><math><mrow><mi>k</mi><mo>−</mo><mi>ε</mi></mrow></math></span> with low Re model exhibited the best performance.</div></div>","PeriodicalId":19272,"journal":{"name":"Nuclear Engineering and Technology","volume":"58 2","pages":"Article 103937"},"PeriodicalIF":2.6,"publicationDate":"2025-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145227571","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Nuclear energy in the age of digitization: The role of mineral resources and financial development 数字化时代的核能：矿产资源与金融发展的作用

IF 2.6 3区工程技术

Nuclear Engineering and Technology Pub Date : 2025-09-23 DOI: 10.1016/j.net.2025.103936

Jie Liu , Muhammad Hafeez , Abdul Ghafoor , Aiman Ahmed , Ousama Ben-Salha

{"title":"Nuclear energy in the age of digitization: The role of mineral resources and financial development","authors":"Jie Liu , Muhammad Hafeez , Abdul Ghafoor , Aiman Ahmed , Ousama Ben-Salha","doi":"10.1016/j.net.2025.103936","DOIUrl":"10.1016/j.net.2025.103936","url":null,"abstract":"<div><div>Nuclear energy is a low-carbon and reliable energy source, and enhancing its production is crucial for achieving a sustainable global future. The deployment of nuclear energy requires a massive initial investment. Lack of financial capital is considered the biggest hurdle in developing nuclear power plants. In addition, digital and information technologies and mineral resources could also prove vital in a transition towards a low-carbon energy framework. Against this backdrop, the analysis intends to investigate the influence of financial development, information and communication technologies, and mineral resources on nuclear energy production. The study employs the MMQR estimation approach to obtain robust estimates. The results indicate that financial development and digitalization enhance nuclear energy generation at most quantiles. Conversely, mineral resources adversely affect nuclear energy production at lower and middle quantiles. In addition, the control variables of government expenditure, trade, and CO2 emissions favorably impact nuclear energy production.</div></div>","PeriodicalId":19272,"journal":{"name":"Nuclear Engineering and Technology","volume":"58 2","pages":"Article 103936"},"PeriodicalIF":2.6,"publicationDate":"2025-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145227574","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Impact of oscilloscope connections and bandwidth on signal formation from a SiPM coupled to a LYSO scintillator for gamma spectroscopy 示波器连接和带宽对从耦合到LYSO闪烁体的SiPM信号形成的影响

IF 2.6 3区工程技术

Nuclear Engineering and Technology Pub Date : 2025-09-23 DOI: 10.1016/j.net.2025.103934

Marcelo Bender Perotoni , Georgious Konstantinou , Adelson Duarte dos Santos , Daniel Alexandre Baptista Bonifacio

引用次数: 0