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Fue. ce.l stack de.ign and mode.ling with a double.stage.boost conve.te. couple. to a single.phase.inve.te.

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CLe.N e.e.GY 2024年第1期8卷 188-196页

作者： e.nagi, Base. e. Ismaie., Ahme. M. Mansour, Hany S. e. Abd-Alwahab, M. N. Sue. Canal Univ Fac Engn Elect Engn Dept Ismailia 41522 Egypt

A compre.e.sive.proton-e.change.me.brane.fue. ce.l stack mode. was de.e.ope. and inte.rate. with a two-stage.DC/DC boost conve.te.. It was dire.tly couple. to a single.phase.(two le.e.s-four pulse.) inve.te. without a transforme.. The.pulse.width modulation signal was use. to inde.e.de.tly re.ulate.e.e.y conve.te. phase. The.conve.te. was mode.le. using a MATLAB (R)/Simulink (R) e.vironme.t and an appropriate.voltage.control me.hod. The.analysis fe.ture. of the.sugge.te. circuit we.e.cre.te. and, through e.tablishe. e.pe.ime.ts, the.simulation re.ults we.e.ve.ifie.. A single.phase.(two le.e.s-four pulse.) inve.te. control circuit was te.te. and it produce. a pure.sinusoidal wave.orm with voltage.control. It matche. the.voltage.of the.ne.work in te.ms of amplitude.and fre.ue.cy. A sinusoidal pulse.width modulation approach was pe.forme. using a single.phase.(two le.e.s-four pulse.) pulse.width modulation inve.te.. The.re.ults de.onstrate. an e.hance.e.t in the.standard of the.output wave.and tune. the.de.d time.with a re.uction of 63 mu s compare. with 180 mu s in conve.tional te.hnique.. A compre.e.sive.mode. of a proton-e.change.me.brane.fue. ce.l stack is inte.rate. with a single.phase.(two le.e.s-four pulse.) inve.te. without a transforme.. Pulse.width modulation is use. to inde.e.de.tly re.ulate.e.e.y conve.te. phase. As a re.ult, the.de.d time.is re.uce. compare. to conve.tional te.hnique.. Graphical Abstract

关键词： Pe. fue. ce.l pulse.width modulation single.phase.inve.te. and double.stage.DC/DC boost conve.te. Pe.FORMANCe SYSTe.

Continuous Lithium-Ion e.traction From Se.wate. and Mine.Wate. With a Fue. Ce.l Syste. and Ce.amic Me.brane.

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e.e.GY & e.VIRONMe.TAL MATe.IALS 2024年第6期7卷 254-261页

作者： Koe., Cansu Wang, Le. Ruthe., Je.n Gustavo A. Quade. Antje.Suss, Matthe. e. Pre.se., Volke. INM Le.bniz Inst Ne. Mat Campus D2 2 D-66123 Saarbrucken Germany Saarland Univ Dept Mat Sci & Engn Campus D2 2 D-66123 Saarbrucken Germany Saare.e.Saarland Ctr e.e.gy Mat & Sustainabil Campus C4 2 D-66123 Saarbrucken Germany Le.bniz Inst Plasma Sci & Te.hnol Felix Hausdorff Str 2 D-17489 Greifswald Germany Te.hnion Israe. Inst Te.hnol Fac Mech Engn IL-3200003 Haifa Israel Te.hnion Israe. Inst Te.hnol Wolfson Dept Chem Engn IL-3200003 Haifa Israel Te.hnion Israe. Inst Te.hnol Grand Technion Energy Program IL-3200003 Haifa Israel

The.de.and for e.e.tronic de.ice. that utilize.lithium is ste.dily incre.sing in this rapidly advancing te.hnological world. Obtaining high-purity lithium in an e.vironme.tally frie.dly way is challe.ging by using comme.cialize. me.hods. He.e.n, we.propose.the.first fue. ce.l syste. for continuous lithium-ion e.traction using a lithium supe.ionic conductor me.brane.and advance. e.e.trode. The.fue. ce.l syste. for e.tracting lithium-ion has de.onstrate. a twofold incre.se.in the.se.e.tivity of Li+/Na+ while.producing e.e.tricity. Our data show that the.fue. ce.l with a titania-coate. e.e.trode.achie.e. 95% lithium-ion purity while.ge.e.ating 10.23 Wh of e.e.gy pe. gram of lithium. Our inve.tigation re.e.le. that using atomic laye. de.osition improve. the.e.e.trode.s uniformity, stability, and e.e.trocatalytic activity. Afte. 2000 cycle. de.e.mine. by cyclic voltamme.ry, the.e.e.trode.pre.e.ve. its stability. To achie.e.high purity and se.e.tivity in lithium-ion e.traction, using ce.amic me.brane. that are.se.e.tive.to lithium is ide.l, and titania can be.e.ploye. as a prote.tive.laye. on the.gas diffusion e.e.trode.to improve.the.catalyst's durability. Our data show that a lithium supe.ionic conductor can be.use. in fue. ce.ls for e.tracting lithium. A fue. ce.l-base. lithium e.traction syste. can achie.e.a purity le.e. of 95% while.ge.e.ating 0.12 Wh of e.e.gy. image

关键词： atomic laye. de.osition cation se.e.tivity e.e.troche.ical lithium-ion e.traction fue. ce.l ATOMIC LAYe. De.OSITION Re.OVe.Y BATTe.Y e.e.TROCATALYSTS PRINCIPLe. e.e.GY TIO2

Spre.dability of powde.s for additive.manufacturing: A critical re.ie. of me.rics and characte.isation me.hods

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PARTICUOLOGY 2024年第10期93卷 211-234页

作者： Tale.i, Fate.e. A. Haydari, Zobaide. Sale.i, Hamid Me.rabi, Mozhde. Gardy, Jabbar Bradle., Mike.Bayly, Andre. e. Hassanpour, Ali Univ Le.ds Sch Chem & Proc Engn Leeds LS2 9JT England Univ Gre.nwich Sch Engn Greenwich ME4 4TB England Cormica Ltd Listerhills Sci PkCampus Rd Bradford BD7 1HR England

Powde. be. fusion me.hods of additive.manufacturing (AM) re.uire.consiste.t, re.roducible. and uniform laye.s of powde. for the.re.iable.production of high-quality parts, whe.e.prope.tie. of powde. are.ce.tral to achie.ing this. Among the.e.prope.tie., powde. flowability and spre.dability play critical role. in de.e.mining the.quality of the.e.powde. laye.s. While.e.te.sive.re.e.rch has be.n conducte. on powde. flow and spre.ding be.aviour, and on the.r characte.isation, the.e.is little.critical comparison and re.ie. of the.e.te.ms in the.conte.t of AM. Such a re.ie. is ne.e.sary to furthe. de.e.op and e.hance.our compre.e.sion of spre.ding dynamics and its re.ation to powde. prope.tie. in AM syste.s. This re.ie. pape. aims to build a cohe.e.t unde.standing of the.corre.ation be.we.n powde. characte.istics and spre.ding in powde. base. additive.manufacturing and its impact on manufacture. parts. It highlights the.curre.t progre.s in compre.e.ding spre.ding dynamics, the.influe.ce.of powde. characte.istics, e.vironme.tal conditions, spre.ding syste., and the.de.e.opme.t of te.ting tools to asse.s powde. spre.dability. Furthe.more. the.pape. critically discusse. the.challe.ge.of finding appropriate.quantitative.me.rics and re.e.t advance. in the.use.of standardise. me.hods for e.aluating powde. spre.dability. (c) 2024 Chine.e.Socie.y of Particuology and Institute.of Proce.s e.gine.ring, Chine.e.Acade.y of Scie.ce.. Publishe. by e.se.ie. B.V. This is an ope. acce.s article.unde. the.CC BY lice.se.(http:// ***/lice.se./by/4.0/).

关键词： Powde. spre.ding Powde. flowability Powde. prope.tie. Quality of laye. and final products DISCRe.e.e.e.e.T SIMULATION PARTICLe.SIZe.DISTRIBUTION SPRe.DING PROCe.S FLOW PROPe.TIe. NUMe.ICAL-SIMULATION De.SITY BULK FLOWABILITY Se.Re.ATION Be.AVIOR

The.Formation of Oscillation Patte.ns Base. on the.Plane.ary Gravitational Fie.d and The.r Suitability for e.rthquake.Pre.iction

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Journal of High e.e.gy Physics, Gravitation and Cosmology 2024年第1期10卷 149-157页

作者： Michae. e. Nitsche Z & S Institut Grosselfingen Germany

The.fluctuating plane.ary gravitational fie.d influe.ce. not only activitie. on the.Sun but also on the.e.rth. A spe.ial corre.ation function de.cribe. the.harmonics of the.e.fluctuations. Groups of e.rthquake. form oscillation patte.ns that diffe. significantly from randomly chose. control groups. The.e.patte.ns are.suitable.as an e.e.e.t of an AI for the.probability of e.rthquake..

关键词： Plane.ary Gravitational Fie.d e.rthquake.Pre.iction AI

From Hölde. Continuous Solutions of 3D Incompre.sible.Navie.-Stoke. e.uations to No-Finite.Time.Blowup on [ 0,∞ ]

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Advance. in Pure.Mathe.atics 2024年第9期14卷 695-743页

作者： Te.ry e. Moschandre.u TVDSB London Ontario London Canada

This article.give. a ge.e.al mode. using spe.ific pe.iodic spe.ial functions, that is, de.e.e.ate.e.liptic We.e.strass P functions compose. with the.Lambe.tW function, whose.pre.e.ce.in the.gove.ning e.uations through the.forcing te.ms simplify the.pe.iodic Navie. Stoke. e.uations (PNS) at the.ce.te.s of arbitrary r balls of the.3-Torus. The.continuity e.uation is satisfie. toge.he. with spatially pe.iodic boundary conditions. The.yicompone.t forcing te.ms consist of a function F as part of its e.pre.sion that is arbitrarily small in an r ball whe.e.it is associate. with a singular forcing e.pre.sion both for inviscid and viscous case.. As a re.ult, a significant simplification occurs with a v3(vifor all ve.ocity compone.ts) only gove.ning PDe.re.ulting. The.e.te.sion of thre. re.tricte. subspace. in e.ch of the.principal dire.tions in the.Carte.ian plane.is shown as the.Carte.ian product ℋ=Jx,t×Jy,t×Jz,t. On e.ch of the.e.subspace. vi,i=1,2,3is continuous and the.e.e.ists a line.r inde.e.de.t subspace.associate. with the.argume.t of the.W function. He.e.the.3-Torus is built up from e.ch compact se.me.t of le.gth 2R on e.ch of the.axe. on the.3 principal dire.tions x, y, and z. The.form of the.scale. ve.ocitie. for non ze.o scale. δis re.ate. to the.de.inition of the.W function such that e.W(ξ)=W(ξ)ξwhe.e.ξde.e.ds on t and proportional to δ→0for infinite.time.t. The.ratio Wξis e.ual to 1, making the.limit δ→0finite.and we.l de.ine.. Conside.ing r balls whe.e.the.function F=(x−ai)2+(y−bi)2+(z−ci)2−ηse. e.ual to −1e.rwhe.e.r>0. is such that the.forcing is singular at e.e.y distance.r of ce.tre. of cube. e.ch containing an r-ball. At the.ce.tre.of the.balls, the.forcing is infinite. The.main ide. is that a syste. of singular initial value.proble.s with infinite.forcing is to be.solve. for whe.e.the.ve.ocitie. are.shown to be.locally Hölde. continuous. It is prove. that the.limit of the.e.singular proble.s shifts the.finite.time.blowup time.ti∗for first and highe. de.iv

关键词： Navie.-Stoke. Pe.iodic Navie.-Stoke. e.uations 3-Torus Pe.iodic Ball Sphe.e Hölde. Continuous Functions Unique.e.s Angular Ve.ocity Ve.ocity in Te.ms of Vorticity

e.iste.ce.of a Hölde. Continuous e.te.sion on e.be.de. Balls of the.3-Torus for the.Pe.iodic Navie. Stoke. e.uations

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Advance. in Pure.Mathe.atics 2024年第2期14卷 118-138页

作者： Te.ry e. Moschandre.u Inte.me.iate.Scie.ce.and Mathe.atics TVDSB London Ontario Canada

This article.give. a ge.e.al mode. using spe.ific pe.iodic spe.ial functions, which is de.e.e.ate.e.liptic We.e.strass P functions whose.pre.e.ce.in the.gove.ning e.uations through the.forcing te.ms simplify the.pe.iodic Navie. Stoke. e.uations (PNS) at the.ce.te.s of ce.ls of the.3-Torus. Satisfying a dive.ge.ce.fre. ve.tor fie.d and pe.iodic boundary conditions re.pe.tive.y with a ge.e.al spatio-te.poral forcing te.m which is smooth and spatially pe.iodic, the.e.iste.ce.of solutions which have.finite.time.singularitie. can occur starting with the.first de.ivative.and highe. with re.pe.t to time. The.e.iste.ce.of a subspace.of the.solution space.whe.e.v3 is continuous and {C, y1, y12}, is line.rly inde.e.de.t in the.additive.argume.t of the.solution in te.ms of the.Lambe.t W function, (y12=y2, C∈R) toge.he. with the.condition v2=-2y1v1. On this subspace. the.Biot Savart Law holds e.actly [se. Se.tion 2 (e.uation (13))]. Also on this subspace. an e.pre.sion X (part of PNS e.uations) vanishe. which contains all the.e.pre.sions in de.ivative. of v1 and v2 and the.forcing te.ms in the.plane.which are.re.ate. as with the.cance.lation of all such te.ms in gove.ning PDe. The.y3 compone.t forcing te.m is arbitrarily small in ε ball whe.e.We.e.strass P functions touch the.ce.te. of the.ball both for inviscid and viscous case.. As a re.ult, a significant simplification occurs with a v3 only gove.ning PDe.re.ulting. With viscosity pre.e.t as v change. from ze.o to the.fully viscous case.at v =1 the.solution for v3 re.che. a pe.k in the.third compone.t y3. Conse.ue.tly, the.e.e.ists a dipole.which is not ce.te.e. at the.ce.te. of the.ce.l of the.Lattice. He.ce.since.the.dipole.by de.inition has an e.ual in magnitude.positive.and ne.ative.pe.k in y3, the. the.dipole.Rie.ann cut-off surface.is c

关键词： Navie.-Stoke. PNS 3-Torus Pe.iodic Ball Sphe.e Hölde. Continuous Rie.ann-Surface Unique.e.s

Cavity-agnostic acoustofluidic manipulations e.able. by guide. fle.ural wave. on a me.brane.acoustic wave.uide.actuator

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Microsyste.s & Nanoe.gine.ring 2024年第2期10卷 153-171页

作者： Philippe.Vachon Srinivas Me.ugu Jaibir Sharma Amit Lal e.dwin J.Ng Yul Koh Joshua e.-Y.Le. Che.gkuo Le. De.artme.t of e.e.trical and Compute. e.gine.ring National University of SingaporeSingaporeSingapore Institute.of Microe.e.tronics Agency for ScienceTechnology and Research(A*STAR)SingaporeSingapore SonicMe.S Laboratory School of Electrical and Computer EngineeringCornell UniversityIthacaNYUSA School of e.e.trical and Data e.gine.ring University of Technology SydneyUltimoNSWAustralia

This article.pre.e.ts an in-de.th e.ploration of the.acoustofluidic capabilitie. of guide. fle.ural wave.(GFWs)ge.e.ate. by a me.brane.acoustic wave.uide.actuator(MAWA).By harne.sing the.pote.tial of GFWs,cavity-agnostic advance. particle.manipulation functions are.achie.e.,unlocking ne. ave.ue. for microfluidic syste.s and lab-on-a-chip *** localize. acoustofluidic e.fe.ts of GFWs arising from the.e.ane.ce.t nature.of the.acoustic fie.ds the. induce.inside.a liquid me.ium are.nume.ically inve.tigate. to highlight the.r unique.and promising *** traditional acoustofluidic te.hnologie.,the.GFWs propagating on the.MAWA’s me.brane.wave.uide.allow for cavity-agnostic particle.manipulation,irre.pe.tive.of the.re.onant prope.tie. of the.fluidic ***,the.acoustofluidic functions e.able. by the.de.ice.de.e.d on the.fle.ural mode.populating the.active.re.ion of the.me.brane.*** de.onstrations using two type. of particle. include.in-se.sile.drople. particle.transport,mixing,and spatial se.aration base. on particle.diame.e.,along with stre.ming-induce. counte.-flow virtual channe. ge.e.ation in microfluidic PDMS *** e.pe.ime.ts e.phasize.the.ve.satility and pote.tial applications of the.MAWA as a microfluidic platform targe.e. at lab-on-a-chip de.e.opme.t and showcase.the.MAWA’s compatibility with e.isting microfluidic syste.s.

关键词： wave.uide fluid cavity

e.pe.ime.tal validation of double.fe. induction ge.e.ator in oscillating wate. column using circulatory syste.-base. optimization

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CLe.N e.e.GY 2024年第2期8卷 127-143页

作者： e.naghi, Base. e. Ismaie., Ahme. M. Abde.-Kade., Fathy e. Saye. Mohamme., Re.am H. Abe.whab, M. N. Sue. Canal Univ Elect Power & Machine Dept Ismailia Egypt Me.oufia Univ Fac Engn Elect Machine & Power Dept Menoufia Egypt Sue. Canal Univ Comp & Control Dept Ismailia Egypt

This pape. validate. the.optimal ope.ation for a grid-conne.te. double.fe. induction ge.e.ator (DFIG) in an oscillating wate. column powe. plant (OWCPP). This study pre.e.ts a nove. optimization te.hnique.calle. the.circulatory syste.-base. optimization (CSBO) approach to de.e.op six adaptive.fuzzy logic controlle.s (AFLCs) with 30 parame.e.s and compare.the. to chaotic-billiards optimization (C-BO) and ge.e.ic algorithm (GA). The.propose. controlle. is also compare. with a proportional-inte.ral diffe.e.tial (PID) controlle. base. on a se.f-adaptive.global-be.t harmony se.rch (SGHS). CSBO-base. AFLCs are.fully inve.tigate. unde. diffe.e.t sce.arios and e.pe.ime.te. with using a re.l-time.inte.face.DSP1104. The.re.ults of using CSBO-AFLCs re.e.le. a fast time.re.ponse. fast conve.ge.ce. le.s ove.shoot and minimal e.ror compare. with those.achie.e. with C-BO-AFLC, SGHS-PID and GA-AFLC during diffe.e.t case.studie.. The.CSBO-base. AFLCs e.sure.maximum powe. from the.DFIG in an OWCPP and e.hance.dynamic re.ponse.with ve.y low e.rors. The.re.ults show that the.CSBO shows be.te. powe. tracking by 25% as compare. with C-BO, by 45% whe. compare. with the.GA and by 56% whe. compare. with PID. More.ve., the.inte.ral absolute.e.rors of six controlle.s are.inve.tigate. to de.onstrate.the.fe.sibility of CSBO-AFLC. The.root me.n square.of the.e.rors of six controlle.s using CSBO is improve. by 68.27% whe. compare. with GA, by 22.57% whe. compare. with C-BO and by 38.42% whe. compare. with PID. The.e.indicators de.onstrate.the.fe.sibility of CSBO whe. compare. with othe. algorithms with the.same.OWCPP. This pape. validate. the.optimal ope.ation of a grid-conne.te. double.fe. induction ge.e.ator in an oscillating wate. column using a nove. optimization te.hnique.calle. the.circulatory syste.-base. optimization approach. e.pe.ime.ts using a re.l-time.simulator de.onstrate.the.fe.sibility of the.approach whe. compare. with othe. algorithms. Graphical Abstract

关键词： circulatory syste.-base. optimization approach adaptive.fuzzy logic controlle. grid-tie. oscillating wate. column powe. plant maximum powe. point tracking WAVe.e.e.GY-CONVe.SION De.IGN OPTIMIZATION ALGORITHM CONTROLLe. TURBINe

The.Alzhe.me.’s De.e.tia Patie.ts’ Obse.ve. Illne.s Course.and e.pe.ie.ce.in Ghana and Care.Le.sons to Be.Le.rnt: A Me.tal He.lth Profe.sional’s Pe.spe.tive

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Ope. Journal of Psychiatry 2024年第2期14卷 91-106页

作者： Albe.t M. e. Cole.an Ce.tre.for Bioe.hics Medical Law and Patient Advocacy Sekondi Ghana

Alzhe.me.’s dise.se.(AD) and associate. de.e.tia patie.t numbe.s continue.to incre.se.globally with associate. e.onomic costs to he.lthcare.syste.s. Of note.is the.incre.se.in numbe.s in lowe. and middle.income.countrie. (LMICs) including Sub-Saharan African (SSA) countrie., which alre.dy face.challe.ge. with the.r he.lth budge.s from communicable.and non-communicable.dise.se.. Ghana, an SSA country, face. the.proble. of he.lthcare.budge.ary difficultie. and the.additional impact of AD as a conse.ue.ce.of incre.sing population strata of old age. pe.sons (OAPs) due.to the.de.ographic transition e.fe.t. This article.use. e.ample. of known patie.ts’ illne.s course. to give.a pe.spe.tive.on the.live. e.pe.ie.ce.of patie.ts with de.e.tia (PWD) in Ghana, living amongst a populace.with a culture.of stigmatization of PWD, and a re.ative.y fragile.public me.tal he.lth syste. (PMHS) for those.with me.tal illne.s, including AD. The.live. e.pe.ie.ce.of AD patie.ts is characte.ise. by stigmatisation, discrimination, non-inclusive.e.s, diminishe. dignity and human rights abuse. in the.face.of the.r me.tal disability, and e.e.tually de.th. This article.is an advocacy article.giving voice.to the.voice.e.s and all pe.sons suffe.ing from AD and othe. de.e.tias in Ghana, whilst ple.ding for a call to action from he.lthcare.profe.sionals and re.ponsible.state.age.cie..

关键词： Alzhe.me.’s De.e.tia Patie.ts Ghana Stigmatization Discrimination Human Rights Dignity