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A holistic approach to improving safety.for battery.energy.storage sy.tems

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Journal of Energy.Chemistry 2024年第5期92卷 422-439页

作者： James Close Jonathan E.Barnard y.M.John Chew Semali Perera Department of Chemical Engineering Centre for DigitalManufacturing&DesignUniversity of BathBath BA27AYUK ioMosaic International Limited 16-18 Queen SquareBath BA12HNUK

The integration of battery.energy.storage sy.tems(BESS)throughout our energy.chain poses concerns regarding safety.especially.since batteries have high energy.density.and numerous BESS failure events have *** spread adoption will only.increase the prevalence of these failure events unless there is a step change in the management and design of *** understand the causes of failure,the main challenges of BESS safety.are *** consequences and failure events are discussed,including specific focus on the chain of events causing thermal runaway.and a case study.of a BESS explosion in Surprise Arizona is *** on the technology.and past events,a paradigm shift is required to improve BESS *** this review,a holistic approach is *** combines currently.adopted approaches including battery.cell testing,lumped cell mathematical modelling,and calorimetry.alongside additional measures taken to ensure BESS safety.including the requirement for computational fluid dy.amics and kinetic modelling,assessment of installation level testing of the full BESS sy.tem and not simply.a single cell battery.test,hazard and lay.rs of protection analy.is,gas chromatography.and composition *** holistic approach proposed in this study.aims to address challenges of BESS safety.and form the basis of a paradigm shift in the safety.management and design of these sy.tems.

关键词： Energy.storagesy.tems Process safety Battery.safety Thermal safety

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Investigations of nuclear chirality.at iThemba LABS

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Frontiers of phy.ics 2024年第2期19卷 7-38页

作者： R.A.Bark E.A.Lawrie C.Liu S.y.Wang iThemba Laboratory.for Accelerator Based Sciences National Research FoundationP.O.Box 722Somerset-West 7129South Africa Department of Phy.ics University of the Western CapePrivate Bag X177535BellvilleSouth Africa Shandong Provincial Key.Laboratory.of Optical Astronomy.and Solar-Terrestrial Environment Institute of Space SciencesShandong UniversityWeihai 264209China

Progress in the studies of chirality.in atomic nuclei at iThemba LABS is *** regions of chirality.around mass 80 and 190 have been discovered using the AFRODITE array.specifically.in the nuclei^(74)As,^(78,80,82)Br,^(81)Kr,and^(193,194,198)*** phenomena have been observed,including multiple chiral bands in the same nucleus,the coexistence of octupole correlations and nuclear chirality.and the coexistence of pseudo spin and nuclear *** best example of chiral degeneracy.to date was found in ^(194)*** level scheme of ^(106)Ag has been revisited and interpreted in terms of two-and four-quasiparticle *** using the particle-rotor model have shown that the fingerprints of chirality.in the two-quasiparticle sy.tem only.can occur in an idealised model *** sy.tems with a higher number of quasiparticles,the calculations showed that nuclear chirality.can persist.

关键词： chirality high-spin states particle-rotor model

Search for production of dark fermion candidates in association with heavy.neutral gauge boson decay.ng to dimuon in proton-proton collisions at√s=8 TeV using CMS open data

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Chinese Phy.ics C 2024年第4期48卷 6-13页

作者： y.Mahmoud H.Abdallah M.T.Hussein S.Elgammal Centre for theoretical phy.ics The British University in EgyptEgypt Phy.ics Department Faculty of ScienceCairo UniversityEgypt

In this study.we conducted a search for dark matter using a part of the data recorded by.the CMS experiment during run-I of the LHC in 2012 with a center of mass energy.of 8 TeV and an integrated luminosity.of 11.6 fb−*** data were gathered from the CMS open *** matter,in the framework of the simplified model(mono-Z′),can be produced from proton-proton collisions in association with a new hy.othetical gauge boson,Z′.Thus,the search was conducted in the dimuon plus large missing transverse momentum *** benchmark scenario of mono-Z′,which is known as light vector,was used for interpreting the CMS open *** evidence of dark matter was observed,and exclusion limits were set on the masses of dark matter and Z′at 95%confidence level.

关键词： dark matter large hadron collider CMS open data search for new phy.ics dark fermion

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Electron kinetic effects in back-stimulated Raman scattering bursts driven by.broadband laser pulses

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Matter and Radiation at Extremes 2024年第4期9卷 54-67页

作者： Q.K.Liu L.Deng Q.Wang X.Zhang F.Q.Meng y.P.Wang y.Q.Gao H.B.Cai S.P.Zhu Graduate School China Academy of Engineering PhysicsBeijing 100088China Institute of Applied Phy.ics and Computational Mathematics Beijing 100094China School of Nuclear Science and Technology University of Science and Technology of ChinaHefei 230026China Shanghai Institute of Laser Plasma Shanghai 201800China HEDPS Center for Applied Physics and TechnologyPeking UniversityBeijing 100871China School of Phy.ics Zhejiang UniversityHangzhou 310027China

We examine electron kinetic effects in broadband-laser-driven back-stimulated Raman scattering(BSRS)bursts using particle-in-cell *** bursts occur during the nonlinear stage,causing reflectivity.spikes and generating large numbers of hot ***-duration simulations are performed to observe burst events,and a simplified model is developed to eliminate the interference of the broadband laser’s random intensity.*** the simplified model,we isolate and characterize the spectrum of electron plasma *** spectrum changes from a sideband structure to a turbulence-like structure during the burst.A significant asy.metry.in the spectrum is *** asy.metry.is amplified and transferred to electron phase space by.high-intensity.broadband laser pulses,leading to violent vortex-merging and generation of hot *** proportion of hot electrons increases from 6.76%to 14.7%during a single violent burst *** demonstrate that kinetic effects profoundly.influence the BSRS evolution driven by.broadband lasers.

关键词： scattering kinetic simplified

Colorful facial markings are associated with foraging rates and affiliative relationships in a wild group-living cichlid fish

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Current Zoology 2024年第1期70卷 70-78页

作者： Brett M.Culbert James B.Barnett Isaac y.Ligocki Matthew G.Salena Marian y.L.Wong Ian M.Hamilton Sigal Balshine Department of Integrative Biology University of GuelphGuelphOntarioCanada Department of Psy.hology Neuroscience&BehaviourMcMaster UniversityHamiltonOntarioCanada Department of Evolution Ecologyand Organismal BiologyThe Ohio State UniversityColumbusOHUSA Department of Biology Millersville UniversityMillersvillePAUSA School of Earth Atmospheric and Life SciencesUniversity of WollongongWollongongNew South WalesAustralia Department of Mathematics The Ohio State UniversityColumbusOHUSA

Many.animals use color to signal their quality.and/or behavioral *** signals have been well studied in the contexts of competi-tion and mate choice;however,the role of these signals in nonsexual,affiliative relationships is not as well ***,we used wild social groups of the cichlid fish Neolamprologus pulcher to investigate whether the size of a brightly.colored facial patch was related to 1)individual quality.2)social dominance,and/or 3)affiliative *** with larger patches spent more time foraging and tended to perform more aggressive acts against conspecific territory.*** did not find any.evidence that the size of these y.llow patches was related to social rank or body.size,but dominant males tended to have larger patches than dominant ***,patch size had a rank-specific relationship with the number of affiliative interactions that individuals engaged *** males with large patches received fewer affiliative acts from their groupmates compared to dominant males with small ***,subordinates with large patches tended to receive more affiliative acts from their groupmates while performing fewer affiliative acts *** together,our results suggest that patch size reflects interindividual variation in foraging effort in this cichlid fish and offer some of the first evidence that colorful signals may.shape affiliative relationships withinwildsocialgroups.

关键词： affiliation foraging Lake Tangany.ka Neolamprologus pulcher visual signals

Decomposition solutions and B?cklund transformations of the B-ty.e and C-ty.e Kadomtsev–Petviashvili equations

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Communications in Theoretical Phy.ics 2024年第6期 36-46页

作者： Xiazhi Hao S y.Lou College of Science Zhejiang University of Technology School of Phy.ical Science and Technology Ningbo University

This paper introduces a modified formal variable separation approach, showcasing a sy.tematic and notably.straightforward methodology.for analy.ing the B-ty.e Kadomtsev–Petviashvili(BKP) equation. Through the application of this approach, we successfully.ascertain decomposition solutions, B?cklund transformations, the Lax pair, and the linear superposition solution associated with the aforementioned equation. Furthermore, we expand the utilization of this technique to the C-ty.e Kadomtsev–Petviashvili(CKP) equation, leading to the derivation of decomposition solutions, B?cklund transformations, and the Lax pair specific to this *** results obtained not only.underscore the efficacy.of the proposed approach, but also highlight its potential in offering a profound comprehension of integrable behaviors in nonlinear sy.tems. Moreover, this approach demonstrates an efficient framework for establishing interrelations between diverse sy.tems.

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An MPI parallel DEM-IMB-LBM framework for simulating fluid-solid interaction problems

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Journal of Rock Mechanics and Geotechnical Engineering 2024年第6期16卷 2219-2231页

作者： Ming Xia Liuhong Deng Fengqiang Gong Tongming Qu y.T.Feng Jin y. Hunan Key.Laboratory.of Geomechanics and Engineering Safety Xiangtan UniversityXiangtan411105China School of Civil Engineering Southeast UniversityNanjing211189China Department of Civil and Environmental Engineering Hong Kong University of Science and TechnologyHong KongChina Zienkiewicz Centre for Computational Engineering Swansea UniversitySwanseaSA18ENUK Fujian Research Center for Tunneling and Urban Underground Space Engineering Huaqiao UniversityXiamen361021China

The high-resolution DEM-IMB-LBM model can accurately.describe pore-scale fluid-solid interactions,but its potential for use in geotechnical engineering analy.is has not been fully.unleashed due to its prohibitive computational *** overcome this limitation,a message passing interface(MPI)parallel DEM-IMB-LBM framework is proposed aimed at enhancing computation *** framework utilises a static domain decomposition scheme,with the entire computation domain being decomposed into multiple subdomains according to predefined processors.A detailed parallel strategy.is employ.d for both contact detection and hy.rody.amic force *** particular,a particle ID re-numbering scheme is proposed to handle particle transitions across sub-domain *** benchmarks are conducted to validate the accuracy.and overall performance of the proposed ***,the framework is applied to simulate scenarios involving multi-particle sedimentation and submarine *** numerical examples effectively.demonstrate the robustness and applicability.of the MPI parallel DEM-IMB-LBM framework.

关键词： Discrete element method(DEM) Lattice Boltzmann method(LBM) Immersed moving boundary.IMB) Multi-cores parallelization Message passing interface(MPI) CPU Submarine landslides

Prediction of the undrained shear strength of remolded soil with non-linear regression,fuzzy.logic,and artificial neural network

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Journal of Mountain Science 2024年第9期21卷 3108-3122页

作者： y.NKÜL Kaan KARAÇOR Fatih GÜRBÜZ Ay.an BUDAK TahsinÖmür Department of Civil Engineering Faculty of Engineering and ArchitectureTokat Gaziosmanpaşa UniversityTokat 60100Türkiye Department of Civil Engineering Faculty of Engineering and ArchitectureKafkas UniversityKars 36000Türkiye Department of Civil Engineering Faculty of EngineeringGazi UniversityAnkara 06570Türkiye Ministry.of y.uth and Sports Ankara 06090Türkiye

This study.aims to predict the undrained shear strength of remolded soil samples using non-linear regression analy.es,fuzzy.logic,and artificial neural network modeling.A total of 1306 undrained shear strength results from 230 different remolded soil test settings reported in 21 publications were collected,utilizing six different measurement *** water content,plastic limit,and liquid limit were used as input parameters for fuzzy.logic and artificial neural network modeling,liquidity.index or water content ratio was considered as an input parameter for non-linear regression *** non-linear regression analy.es,12 different regression equations were derived for the prediction of undrained shear strength of remolded ***-Forward backpropagation and the TANSIG transfer function were used for artificial neural network modeling,while the Mamdani inference sy.tem was preferred with trapezoidal and triangular membership functions for fuzzy.logic *** experimental results of 914 tests were used for training of the artificial neural network models,196 for validation and 196 for *** was observed that the accuracy.of the artificial neural network and fuzzy.logic modeling was higher than that of the non-linear regression ***,a simple and reliable regression equation was proposed for assessments of undrained shear strength values with higher coefficients of determination.

关键词： Undrained shear strength Liquidity.index Water content ratio Non-linear regression Artificial neural networks Fuzzy.logic

STCF conceptual design report (Volume 1): Phy.ics & detector

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Frontiers of phy.ics 2024年第1期19卷 1-154页

作者： M.Achasov X.C.Ai L.P.An R.Aliberti Q.An X.Z.Bai y.Bai O.Bakina A.Barny.kov V.Blinov V.Bobrovnikov D.Bodrov A.Bogomy.gkov A.Bondar I.Boy.o Z.H.Bu F.M.Cai H.Cai J.J.Cao Q.H.Cao X.Cao Z.Cao Q.Chang K.T.Chao D.y.Chen H.Chen H.X.Chen J.F.Chen K.Chen L.L.Chen P.Chen S.L.Chen S.M.Chen S.Chen S.P.Chen W.Chen X.Chen X.F.Chen X.R.Chen y.Chen y.Q.Chen H.y.Cheng J.Cheng S.Cheng T.G.Cheng J.P.Dai L.y.Dai X.C.Dai D.Dedovich A.Denig I.Denisenko J.M.Dias D.Z.Ding L.y.Dong W.H.Dong V.Druzhinin D.S.Du y.J.Du Z.G.Du L.M.Duan D.Epifanov y.L.Fan S.S.Fang Z.J.Fang G.Fedotovich C.Q.Feng X.Feng y.T.Feng J.L.Fu J.Gao y.N.Gao P.S.Ge C.Q.Geng L.S.Geng A.Gilman L.Gong T.Gong B.Gou W.Gradl J.L.Gu A.Guevara L.C.Gui A.Q.Guo F.K.Guo J.C.Guo J.Guo y.P.Guo Z.H.Guo A.Guskov K.L.Han L.Han M.Han X.Q.Hao J.B.He S.Q.He X.G.He y.L.He Z.B.He Z.X.Heng B.L.Hou T.J.Hou y.R.Hou C.y.Hu H.M.Hu K.Hu R.J.Hu W.H.Hu X.H.Hu y.C.Hu J.Hua G.S.Huang J.S.Huang M.Huang Q.y.Huang W.Q.Huang X.T.Huang X.J.Huang y.B.Huang y.S.Huang N.Hüsken V.Ivanov Q.P.Ji J.J.Jia S.Jia Z.K.Jia H.B.Jiang J.Jiang S.Z.Jiang J.B.Jiao Z.Jiao H.J.Jing X.L.Kang X.S.Kang B.C.Ke M.Kenzie A.Khoukaz I.Koop E.Kravchenko A.Kuzmin y.Lei E.Levichev C.H.Li C.Li D.y.Li F.Li G.Li G.Li H.B.Li H.Li H.N.Li H.J.Li H.L.Li J.M.Li J.Li L.Li L.Li L.y.Li N.Li P.R.Li R.H.Li S.Li T.Li W.J.Li X.Li X.H.Li X.Q.Li X.H.Li y.Li y.y.Li Z.J.Li H.Liang J.H.Liang y.T.Liang G.R.Liao L.Z.Liao y.Liao C.X.Lin D.X.Lin X.S.Lin B.J.Liu C.W.Liu D.Liu F.Liu G.M.Liu H.B.Liu J.Liu J.J.Liu J.B.Liu K.Liu K.y.Liu K.Liu L.Liu Q.Liu S.B.Liu T.Liu X.Liu y.W.Liu y.Liu y.L.Liu Z.Q.Liu Z.y.Liu Z.W.Liu I.Logashenko y.Long C.G.Lu J.X.Lu N.Lu Q.F.Lü y.Lu y.Lu Z.Lu P.Lukin F.J.Luo T.Luo X.F.Luo y.H.Luo H.J.Ly. X.R.Ly. J.P.Ma P.Ma y.Ma y.M.Ma F.Maas S.Malde D.Matvienko Z.X.Meng R.Mitchell A.Nefediev y.Nefedov S.L.Olsen Q.Ouy.ng P.Pakhlov G.Pakhlova X.Pan y.Pan E.Passemar y.P.Pei H.P.Peng L.Peng X.y.Peng X.J.Peng K.Peters S.Pivovarov E.Py.ta B.B.Qi y.Q.Qi W.B.Qian y.Qian C.F.Qiao J.J.Qin J.J.Qin L.Q.Qin X.S.Qin T.L.Qiu J.Rademacker C.F.Redmer H.y.Sang Anhui University Hefei 230039China Beihang University Beijing 100191China Budker Institute of Nuclear Phy.ics Novosibirsk 630090Russia CAS Key.Laboratory.of Theoretical Phy.ics Institute of Theoretical PhysicsChinese Academy of SciencesBeijing 100190China Cavendish Laboratory University of CambridgeJJ Thomson AveCambridge CB30HEUnited Kingdom Central China Normal University Wuhan 430079China Central South University Changsha 410083China China University.of Geosciences Wuhan 430074China China University.of Mining and Technology Xuzhou 221116China École Poly.echnique Fédérale de Lausanne(EPFL) LausanneSwitzerland Fudan University Shanghai 200433China Goethe University.Frankfurt D-60325 Frankfurt am MainGermany Guangxi Normal University Guilin 541004China Guangxi Uninversity Nanning 530004China Hangzhou Institute for Advanced Study UCASHangzhou 310024China Hebei Normal University Shijiazhuang 050024China Hebei University Baoding 071002China Hefei University.of Technology Hefei 230601China Helmholtz Institute Mainz Staudinger Weg 18D-55099 MainzGermany Henan Normal University Xinxiang 453007China Henan University Kaifeng 475004China High Energy.Phy.ics Center Chung-Ang UniversitySeoul 06974Korea Higher School of Economy.11 Pokrovsky.Bulvar Moscow 109028Russia Huangshan University Huangshan 245000China Hubei University.of Automotive Technology Shiyan 442002China Hunan Normal University Changsha 410081China Hunan University.of Science and Technology Xiangtan 411201China Hunan University Changsha 410082China Indiana University BloomingtonIndiana 47405USA Inner Mongolia University Hohhot 010021China Institute of Advanced Science Facilities Shenzhen 518107China Institute of High Energy.Phy.ics Chinese Academy of SciencesBeijing 100049China Institute of Modern Phy.ics Chinese Academy of SciencesLanzhou 730000China Institute of Phy.ics Academia SinicaTaipeiTaiwan 11529China Institute of Theoretical Phy.ics Chinese Academy of SciencesBeijing 100190China Jilin University Changch

The superτ-charm facility.STCF)is an electron–positron collider proposed by.the Chinese particle phy.ics *** is designed to operate in a center-of-mass energy.range from 2 to 7 GeV with a peak luminosity.of 0.5×10^(35) cm^(–2)·s^(–1) or *** STCF will produce a data sample about a factor of 100 larger than that of the presentτ-charm factory.the BEPCII,providing a unique platform for exploring the asy.metry.of matter-antimatter(charge-parity.violation),in-depth studies of the internal structure of hadrons and the nature of non-perturbative strong interactions,as well as searching for exotic hadrons and phy.ics bey.nd the Standard *** STCF project in China is under development with an extensive R&D *** document presents the phy.ics opportunities at the STCF,describes conceptual designs of the STCF detector sy.tem,and discusses future plans for detector R&D and phy.ics case studies.

关键词： electron–positron collider tau-charm region high luminosity STCF detector conceptual design