BOLTZMANN

作品数:347被引量:597H指数:10
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相关机构:华中科技大学中国空气动力研究与发展中心中国科学院武汉大学更多>>
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Continuous-variable quantum secure direct communication based on N-APSK with Boltzmann-Maxwell distribution
《Chinese Physics B》2025年第3期85-93,共9页Zheng-Wen Cao Yu-Jie Zhang Geng Chai Zhang-Tao Liang Xin-Lei Chen Lei Wang Yu-Jie Wang 
Project supported by the National Natural Science Foundation of China(Grant Nos.62071381 and 62301430);Shaanxi Fundamental Science Research Project for Mathematics and Physics(Grant No.23JSY014);Scientific Research Plan Project of Shaanxi Education Department Natural Science Special Project(Grant No.23JK0680);Young Talent Fund of Xi’an Association for Science and Technology(Grant No.959202313011)。
Continuous-variable quantum secure direct communication(CVQSDC)with Gaussian modulation(GM)demands a considerable quantity of random numbers during the preparation process and encodes them separately on the quadrature...
关键词:quantum secure direct communication discrete-modulation amplitude phase shift keying Boltzmann-Maxwell distribution 
大密度比气泡在多孔介质通道内上升行为的三维介观数值模拟
《物理学报》2025年第5期97-109,共13页赵兹卿 严裕 娄钦 
国家自然科学基金(批准号:52376068,51976128);上海市浦江人才(批准号:22PJD047)资助的课题.
本文基于格子Boltzmann方法,使用三维数值模拟研究了复杂多孔介质中大密度比气泡运动行为,重点探讨Eötvös数(Eo)、接触角(θ)和Reynolds数(Re)耦合作用对气泡速度、形态演化及停滞现象的影响规律.研究发现,在多孔介质中,接触角增大降低...
关键词:格子 BOLTZMANN 方法 气液两相流 多孔介质 三维数值模拟 
Boltzmann-Rykov模型方程气体动理论统一算法与喷管流动
《北京航空航天大学学报》2025年第2期553-562,共10页李凡 李志辉 陈爱国 
国家自然科学基金(11325212)。
为研究气体分子转动非平衡效应对喷管内流动的影响,在气体动理论统一算法(GKUA)计算框架下,发展了分子速度分布函数层次下考虑转动能影响的喷管流动边界条件数学模型,构造了直接求解分子速度分布函数的气体动理论数值格式,数值求解了考...
关键词:气体动理论 玻尔兹曼模型方程 气体动理论统一算法 转动非平衡 喷管流动 
Pool bio-oxidation and fitting analysis of low-grade arsenic-containing refractory gold ore
《Green Chemical Engineering》2024年第4期511-518,共8页Jiafeng Li Linlin Tong Haijun Zhang Qiao Chen Hongying Yang Lingling Shen Yiqin Zhai Rongfan Yao 
supported by the Fundamental Research Funds for the Central Universities(2022QN1005)
To overcome the limitations of geography,climate,and ore characteristics on the ore beneficiation process,biooxidation studies on low-grade arsenic-bearing refractory gold ore by pool leaching were carried out,as well...
关键词:Refractory gold ore BIO-OXIDATION Pool leaching Boltzmann model 
配电网运检中基于信息矫正与Boltzmann思想的故障定位模型研究
《电工技术》2024年第23期59-62,共4页刘子琪 
为克服传统配电网运检过程中面临的复杂性和大规模性的局限,结合信息矫正与Boltzmann思想提出了一种故障定位模型,并开展了仿真分析和实际应用验证。结果表明,信息矫正与Boltzmann思想的引入使处理单个故障节点时定位时间基本在2 s以内...
关键词:配电网 运检 信息矫正 Boltzmann思想 故障定位 
Surface tension effects on Rayleigh-Taylor instability in nonideal fluids:A multiple-relaxation-time discrete Boltzmann study
《Science China(Physics,Mechanics & Astronomy)》2024年第12期87-105,共19页Feng Chen Aiguo Xu Jiahui Song Yanbiao Gan Yudong Zhang Ning Guan 
supported by the National Natural Science Foundation of China(Grant Nos.11875001,and 12172061);the Shandong Province Higher Educational Youth Innovation Science and Technology Program(Grant No.2019KJJ009);the Natural Science Foundation of Shandong Province(Grant Nos.ZR2020MA061,and ZR2022MA075);the Foundation of National Key Laboratory of Shock Wave and Detonation Physics(Grant No.JCKYS2023212003);the opening project of State Key Laboratory of Explosion Science and Technology(Beijing Institute of Technology)(Grant No.KFJJ2023-02M);the Hebei Outstanding Youth Science Foundation(Grant No.A2023409003);the Central Guidance on Local Science and Technology Development Fund of Hebei Province(Grant No.226Z7601G);the 2023 Computational Physics Key Laboratory Youth Fund Sponsored Project(Grant No.6142A05QN23001);the science foundation of NCIAE(Grant No.GFCXJJ-2023-01)。
A multi-relaxation-time discrete Boltzmann model for compressible non-ideal gases with adjustable specific heat ratio is proposed,and the impact of surface tension on Rayleigh-Taylor instability(RTI)is investigated fr...
关键词:statistical mechanics of classical fluids flow instabilities kinetic theory 
How to Predict the Temperature of the CMB Directly Using the Hubble Parameter and the Planck Scale Using the Stefan-Boltzmann Law
《Journal of Applied Mathematics and Physics》2024年第10期3552-3566,共15页Espen Gaarder Haug Stéphane Wojnow 
Based on recent progress in quantum gravity and quantum cosmology, we are also presenting a way to estimate the temperature in the cosmos, the Hubble sphere, from a relation between the Planck temperature and the Hubb...
关键词:CMB Temperature Hubble Parameter Stefan-Boltzmann Law Planck Scale 
Applying the Stefan-Boltzmann Law to a Cosmological Model (a Brief Note)
《Journal of Modern Physics》2024年第11期1717-1722,共6页Eugene Terry Tatum 
This brief note brings the reader up-to-date with the recent successes of the new Haug-Tatum cosmology model. In particular, the significance of recent proof that the Stefan-Boltzmann law applies to such a model is em...
关键词:Haug-Tatum Cosmology Stefan-Boltzmann Law Flat Space Cosmology CMB Cosmic Thermodynamics Rh = ct Cosmology Model Black Body 
GaInX_3(X=S,Se,Te):Ultra-low thermal conductivity and excellent thermoelectric performance
《Chinese Physics B》2024年第8期460-465,共6页段志福 丁长浩 丁中科 肖威华 谢芳 罗南南 曾犟 唐黎明 陈克求 
Project supported by the National Natural Science Foundation of China (Grant Nos.12104145,62201208,and 12374040)。
Seeking intrinsically low thermal conductivity materials is a viable strategy in the pursuit of high-performance thermoelectric materials.Here,by using first-principles calculations and semiclassical Boltzmann transpo...
关键词:thermoelectric performance thermal conductivity Boltzmann transport two-dimensional materials 
Discrete Boltzmann model with split collision for nonequilibrium reactive flows
《Communications in Theoretical Physics》2024年第8期164-186,共23页Chuandong Lin Kai H Luo Huilin Lai 
supported by the National Natural Science Foundation of China(under Grant Nos. U2242214, 51806116 and 91441120);the Guangdong Basic and Applied Basic Research Foundation (under Grant Nos. 2022A1515012116and 2024A1515010927);the Natural Science Foundation of Fujian Province(under Grant Nos. 2021J01652, 2021J01655);the China Scholarship Council (No. 202306380288);partly supported by the Open Research Fund of Key Laboratory of Analytical Mathematics and Applications(Fujian Normal University),Ministry of Education,China;Support from the UK Engineering and Physical Sciences Research Council under the project ‘UK Consortium on Mesoscale Engineering Sciences (UKCOMES)’(Grant No. EP/X035875/1) is gratefully acknowledged。
A multi-relaxation-time discrete Boltzmann model(DBM) with split collision is proposed for both subsonic and supersonic compressible reacting flows, where chemical reactions take place among various components. The ph...
关键词:discrete Boltzmann method reactive flow DETONATION nonequilibrium effect 
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