Results 11 to 20 of about 358,647 (309)

Small reactor power systems for manned planetary surface bases [PDF]

, 1987
A preliminary feasibility study of the potential application of small nuclear reactor space power systems to manned planetary surface base missions was conducted. The purpose of the study was to identify and assess the technology, performance, and safety
Bloomfield, Harvey S.
core   +2 more sources

Control Rods Reactivity Worth Measurement in a Mixed Core Heavy Water Zero Power Reactor (HWZPR) [PDF]

مجله علوم و فنون هسته‌ای, 2018
Systems related to reactivity control in a heavy water zero power reactor (HWZPR) consist of safety rod, control rod, emergency dump, and water level measurement and regulation systems.
P Kaviani, M Mashayekh, J Khorsandi, H Khalafi   +3 more
doaj   +1 more source

Analysis and comparison of the 2D/1D and quasi-3D methods with the direct transport code SHARK

Nuclear Engineering and Technology, 2022
The 2D/1D method has become the mainstream of the direct transport calculation considering the balance of accuracy and efficiency. However, the 2D/1D method still suffers from stability issues.
Chen Zhao, Xingjie Peng, Hongbo Zhang, Wenbo Zhao, Qing Li, Zhang Chen   +5 more
doaj   +1 more source

Preliminary comparative assessment of land use for the Satellite Power System (SPS) and alternative electric energy technologies [PDF]

, 1980
A preliminary comparative assessment of land use for the satellite power system (SPS), other solar technologies, and alternative electric energy technologies was conducted. The alternative technologies are coal gasification/combined-cycle, coal fluidized-
Newsom, D. E., Wolsko, T.
core   +2 more sources

Study on hydrogen stratification and erosion process in Chinese SMR containment under severe accident scenario

International Journal of Advanced Nuclear Reactor Design and Technology, 2020
During postulated severe accident, large amount of hydrogen-vapor mixture will be released into the containment and inflammable gas mixture may form. Once the gas will be ignited, the generated pressure loads can jeopardize the integrity of the internal ...
Yang Fan, Li Songwei, Zeng Wei, Qiu Zhifang, Deng Jian   +4 more
doaj   +1 more source

Membrane-based microfluidic solvent extraction of Ga-68 from aqueous Zn solutions: towards an automated cyclotron production loop

EJNMMI Radiopharmacy and Chemistry, 2023
Background The radionuclide Ga-68 is commonly used in nuclear medicine, specifically in positron emission tomography (PET). Recently, the interest in producing Ga-68 by cyclotron irradiation of [68Zn]Zn nitrate liquid targets is increasing.
Svenja Trapp, Tom Lammers, Gokce Engudar, Cornelia Hoehr, Antonia G. Denkova, Elisabeth Paulssen, Robin M. de Kruijff   +6 more
doaj   +1 more source

Study on IMC-PID Control of Once-Through Steam Generator for Small Fast Reactor

Energies, 2022
The simplification of simulation inevitably leads to model mismatch. In this paper, a once-through steam generator (OTSG) for a small lead bismuth fast reactor (SLBFR) is established and verified, and the OTSG model is simplified by three different ...
Kai Xiao, Yiliang Li, Pengcheng Yang, Ying Zhang, Yang Zhao, Xiaofei Pu   +5 more
doaj   +1 more source

Simplified Elastoplastic Fatigue Correction Factor Analysis Approach Based on Minimum Conservative Margin

Metals, 2022
ASME and RCC-M codes specify an elastoplastic fatigue analysis technique: a simplified elastoplastic fatigue analysis method based on linear elastic analysis.
Xuejiao Shao, Juan Du, Xiaolong Fu, Furui Xiong, Hui Li, Jun Tian, Xifeng Lu, Hai Xie   +7 more
doaj   +1 more source

Research and Implementation of SVDU Simulator Based on Emulation Technology

Science and Technology of Nuclear Installations, 2021
The safety video display unit (SVDU), as the display machine of the reactor protection system, performs the functions of displaying the reactor’s safety parameters and sending safety control commands.
Yanqun Wu, Mingxing Liu, Qi Chen, Xu Zhang, Xufeng Tian, Yu Zhang, Meiyuan Chen   +6 more
doaj   +1 more source

Multi-Objective Optimization Design of Radiation Shadow Shield for Space Nuclear Power With Genetic Algorithm

Frontiers in Energy Research, 2022
The radiation shadow shield of the space nuclear power is an important component to protect the electronic device at the dose plane. In this paper, design of the radiation shadow shield is first modeled as a multi-objective optimization problem, and then
Bin Liu, Huanwen Lv, Lan Li, Xiaoming Chai, Hu Xu, Yi Tan, Bangyang Xia, Cong Chen   +7 more
doaj   +1 more source