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Multi-Physics and Multi-Scale Modeling and Simulation Methods for Nuclear Reactor Application
A nuclear reactor operates in an environment where complex multi-physics and multi-scale phenomena exist, and it requires consideration of coupling among neutronics, thermal hydraulics, fuel performance, chemical dynamics, and coupling between the reactor core and first circuit. Safe, reliable, and economical operation can be achieved by leveraging high-fidelity numerical simulation, and proper considerations for coupling among different physics and required to provide powerful numerical simulation tools. In the past simplistic models for some of the physics phenomena are used, with the recent development of advanced numerical methods, software design, and high-performance computing power, the appeal of multi-physics and multi-scale modeling and simulation has been broadened.
Numerical and Experimental Studies on Small/Micro Nuclear Reactors
Future space missions and deep-sea explorations will require small/micro nuclear reactors (kWe~MWe) for power generation. Compared with conventional energy systems such as storage batteries and fossil energy, nuclear reactors are featured higher energy intensity, higher reliability, and longer lifetime. According to the coolant, the candidate small/micro nuclear reactors include the heat pipe cooled reactor, liquid metal cooled reactor, and gas-cooled reactor, most of which are still in the conceptual design stage with numerical studies and experimental research. These emerging reactors have an entirely different core structure and working principle from the existing light water reactors, which has led to an increasing need for updated simulation methods and experimental studies.
From Wang Shiwei to Liu Xiaobo
The harshness of the modern Communist regime has far exceeded that of all past despots, as the PRC’s founder Mao Zedong openly acknowledged: “What was Emperor Qin Shi Huang? He only buried 460 scholars, but we buried 46,000. During the suppression of counter-revolutionaries, didn’t we kill some counterrevolutionary intellectuals? I’ve discussed this with pro-democracy advocates: ‘You call us Qin Shi Huang as an insult, but we’ve surpassed Qin Shi Huang a hundred-fold.’ Some people curse us as dictators like Qin Shi Huang. We must categorically accept this as factually accurate. Unfortunately, you haven’t said enough and leave it to us to say the rest”. In fact, the number o...
Proceedings of the 23rd Pacific Basin Nuclear Conference, Volume 3
This is the third in a series of three volumes of proceedings of the 23rd Pacific Basin Nuclear Conference (PBNC 2022) which was held by Chinese Nuclear Society. As one in the most important and influential conference series of nuclear science and technology, the 23rd PBNC was held in Beijing and Chengdu, China in 2022 with the theme “Nuclear Innovation for Zero-carbon Future”. For taking solid steps toward the goals of achieving peak carbon emissions and carbon neutrality, future-oriented nuclear energy should be developed in an innovative way for meeting global energy demands and coordinating the deployment mechanism. It brought together outstanding nuclear scientists and technical exp...
Technical Arts in the Han Histories
While cultural literacy in early China was grounded in learning the Classics, basic competence in official life was generally predicated on acquiring several forms of technical knowledge. Recent archaeological finds have brought renewed attention to the use of technical manuals and mantic techniques within a huge range of discrete contexts, pushing historians to move beyond the generalities offered by past scholarship. To explore these uses, Technical Arts in the Han Histories delves deeply into the rarely studied "Treatises" and "Tables" compiled for the first two standard histories, the Shiji (Historical Records) and Hanshu (History of Han), important supplements to the better-known biogra...
