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Coupling of Ra.S a.d BEM Solvers for Simula.ion of Propeller Behind the Hull in Full a.pended Model

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China.Ocea. Engineering 2024年第3期38卷 424-438页

作者： Sa.ed najafi Mehdi POURMOSTa.a.LIU Peng-fei Ira.ia. Na.iona. Institute for Ocea.ogra.hy a.d a.mospheric Science(INIOa.) Tehran 14155-4781Iran Depa.tment of Ma.itime Engineering Amir Kabir University of TechnologyTehran 15875-4413Iran Ma.ine Offshore and Subsea TechnologySchool of EngineeringNewcastle UniversityNewcastle upon TyneNE17RUUK

To design a.propeller for ship power pla.t,the intera.tion between ship hull a.d propeller must be ta.en into *** ma.n concern is to a.ply the wa.e effect of ship stern on the propeller *** this pa.er,a.coupled BEM(Bounda.y Element Method)/Ra.S(Renolds-a.era.ed Na.ier−Stokes)solver is used to simula.e propeller behind the hull in the self-propulsion *** motiva.ion of this work is to develop a.pra.tica. tool to design ma.ine propulsion system without suffering long computa.iona. *** unstea.y bounda.y element method which is a.so known a. pa.el method is chosen to estima.e the propeller *** wa.es a.e trea.ed using a.time ma.ching wa.e a.ignment ***,a.Ra.S code coupled with VoF equa.ion is developed to consider the ship motions a.d wa.e field effects in the problem.a.coupling a.gorithm is developed to intercha.ge ship wa.e field to the potentia. flow solver a.d propeller thrust to the Ra.S *** on the difference between hull resista.ce a.d the propeller thrust,a.PI controller is developed to compute the propeller RPM in every time *** of the solver is ca.ried out using the towing ta.k test report of a.50 m ocea.ogra.hy resea.ch *** fa.tor a.d trust deduction coefficient a.e estima.ed ***,the wa.e rollup pa.tern of the propeller in open wa.er is compa.ed with the propeller in rea. wa.e field.

关键词： Ra.S BEM coupled method ship propeller self-propulsion wa.e sheet pa.tern

Eva.ua.ing innova.ion ecosystem resiliency using a.ent-ba.ed modeling a.d systems dyna.ics

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Journa. of Sa.ety Science a.d Resilience 2024年第2期5卷 204-221页

作者： Soheila.a.di Mehdi Ya.da.i Esma.il najafi Depa.tment of Industria. Engineering Science and Research BranchIslamic Azad UniversityTehranIran Depa.tment of Industria. Engineering Qazvin BranchIslamic Azad UniversityQazvinIran

Eva.ua.ing the resilience of the innova.ion ecosystem to ma.nta.n its performa.ce,in the sense of resista.ce to disruption a.d recovery a.ter it,ha. recently received more *** studies ha.e been conducted to model different ecosystems a.d eva.ua.e their ***,modeling the innova.ion ecosystem from a.holistic perspective a.d performing a.qua.tita.ive a.sessment of its resilience ha.e received less *** pa.er models the innova.ion ecosystem holistica.ly a.d eva.ua.es its resilience index using a.qua.tita.ive a.proa.h through five ma.n *** the first step,a.ca.e study rela.ed to the innova.ion ecosystem of Ira.'s Ministry of Energy,ca.led the Power Innova.ion Ecosystem,is modeled by combining system dyna.ics a.d a.ent-ba.ed *** va.ida.ing the model in the second step,the disruption of the loss of experts is investiga.ed in the third step,a.d a.l possible a.tions to recover ea.h a.tor a.e *** the fourth step,the performa.ce of the ecosystem is simula.ed before a.d a.ter the disruption using the da.a.ga.hered in the previous ***,resilience is ca.cula.ed in two different wa.s in the fifth *** improvement solutions a.e a.so suggested when considering tha. the resilience index of the innova.ion ecosystem is a. a.medium *** resea.ch ma. a.sist policyma.ers in observing the resilience level of the innova.ion ecosystem ba.ed on the proposed *** a.plying stra.egic cha.ges to this model,they ca. determine the effects of their policies a.d ma.e the most a.propria.e decisions to increa.e the resilience of the innova.ion ecosystem.

关键词： Resilience index innova.ion ecosystem System dyna.ics a.ent-ba.ed modeling

Color a.d Gloss Cha.ges of a.Lignin-Ba.ed Polyuretha.e Coa.ing under a.celera.ed Wea.hering

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Journa. of Renewa.le Ma.eria.s 2024年第2期12卷 305-323页

作者： Fa.emeh Ha.sa.i Khorshidi Sa.ed Ka.emi najafi Fa.hood najafi a.tonio Pizzi Dick Sa.dberg Ra.i Behrooz Depa.tment of Wood Science a.d Technology Faculty of Natural ResourcesTarbiat Modares UniversityTehranIran Depa.tment of Resin a.d a.ditives Institute for Color Science and TechnologyP.O.Box 16765-654TehranIran LERMa. University of LorraineBlvd des AiguillettesNancy54000France Wood Science a.d Engineering LuleåUniversity of TechnologySkellefteåSweden

The purpose of this resea.ch study wa. to investiga.e the properties of polyuretha.e coa.ings ba.ed on lignin *** this purpose,the prepa.ed coa.ings were a.plied to pine wood surfa.es a.d wea.hered ***,color a.d gloss of the coa.ings were mea.ured before a.d a.ter the wea.hering *** emission sca.ning electron microscopy(FE-SEM)microgra.hs prepa.ed from the coa.ings showed tha. the a.era.e size of na.o-pa.ticles in the polyuretha.e substra.e wa. a.proxima.ely 500 *** ma.netic resona.ce(13C-NMR)spectroscopy showed tha. strong uretha.e bonds were formed in the na.o-lignin-ba.ed *** ca.orimetric a.a.ysis(DSC)test revea.ed tha. the gla.s-tra.sition tempera.ure(Tg)of lignin na.opa.ticles modified with diethylenetria.ine(DETa.wa. 112.8℃ a.d Tg of lignin na.o-pa.ticles modified with ethylenedia.ine(EDa.wa. 102.5℃,which is lower tha. the Tg of un-modified lignin(114.6℃)a.d lignin modified with DETa.126.8℃)a.d lignin modified with EDa.131.3℃).The coa.ings modified with lignin na.o-pa.ticles ha. a.grea.er cha.ge in *** lignin na.o-pa.ticles in the modified coa.ing a.e tra.ping hydroxyl ra.ica.s which reduces photoa.tivity a.d yellowing of the polyuretha.e by a.out 3 times compa.ed to unmodified polyuretha.e *** wea.hering test,the na.o-lignin-ba.ed coa.ing ha. a.rougher surfa.e with a.lower conta.t a.gle(0.78°)compa.ed to the unmodified polyuretha.e coa.ing(0.85°).

关键词： a.ina.ion propylene ca.bona.e lignin biopolymer polyuretha.e coa.ing polyol UN SDG 13

Exa.ining the Effect of Hydroa.coholic Extra.t of Dra.a.na.cinna.a.i on Sex Hormones a.d Ova.ia. a.d Uterine Tissues of Ra.s

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World Journa. of Tra.itiona. Chinese Medicine 2024年第2期10卷 213-219页

作者： Elha. najafi Ba.a.eh Ba.a.i Hoola.i a.ba. Ka.imi a.ia.gha. Pilehva.ia. Depa.tment of Cellula. Biology Genesis Evolution-Develoment Isfa.a. Pa.a.e Noor University IsfahanIran Depa.tment of a.a.omy School of MedicineTehran University of Medical SciencesTehranIran Depa.tment of Biology Group Faculty Member of Isfahan Payame Noor UniversityIsfahanIran

Introduction: Dra.a.na.cinna.a.i is considered a.rich source of phytochemica.s used widely in tra.itiona. medicine. In the present study, the effect of D. cinna.a.i hydra.lic extra.t on the reproductive system of fema.e ra.s wa. investiga.ed. Methods: The sa.ples were ra.domly divided into four groups(six sa.ples in ea.h group), including three trea.ment groups a.d one control group, a.d a.l sa.ples were kept a. the sa.e conditions. Hydra.lic extra.t of D. cinna.a.i a.d injected intra.eritonea.ly da.ly for 10 da.s, while physiologica. serum wa. used for injection in to the control group. a.ter 10 da.s of injection, estrogen a.d progesterone levels were mea.ured by enzyme immunoa.sa. technique. a.ter dissection, the ova.ies a.d uterine tissues were isola.ed for histologica. exa.ina.ion, a.d tissue cha.ges were ca.efully exa.ined. Results: The results revea.ed tha. the levels of estrogen a.d progesterone in experimenta. Groups 2 a.d 3 ha. a.significa.t increa.e(P a.ding tissue cha.ges, a.significa.t increa.e wa. observed in epithelia. thickness(P a.d Gra.fia. follicle(P a.d 150 mg/kg. Conclusions: Ba.ed on the results, it seems tha. D. cinna.a.i extra.t ha. a. effect on the ova.ia. follicles.

关键词： Dra.a.na.cinna.a.i herba. medicine ova.ia. tissues reproductive sex hormones

a.thermo-mecha.ica. simula.ion for the sta.ility a.a.ysis of a.horizonta. wellbore in underground coa. ga.ifica.ion

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Petroleum 2024年第2期10卷 243-253页

作者： Moha.ma.reza.Sha.ba.i Mehdi najafi Moha.ma. Fa.ehi Ma.ji Ra.in Ra.iee Depa.tment of Mining a.d Meta.lurgica. Eng. Yazd University Depa.tment of Mining Petroleum & Geophysics Eng. Shahrood University of Technology

The sta.ility a.a.ysis of horizonta. wells is essentia. for a.successful underground coa. ga.ifica.ion(UCG)opera.ion. In this pa.er, a.new 3D coupled thermo-mecha.ica. numerica. modeling is proposed for a.a.yzing the sta.ility of UCG horizonta. wells. In this model, the effect of front a.utment stresses,synga. pressure, synga. tempera.ure a.d therma. stresses is considered to predict the mud weight window a.d drilling mud pressure during UCG process. The results show tha. the roof ca.ing in UCG pa.el ha. a.grea.est impa.t on the sta.ility of horizonta. well. Moreover, when the time of coa. ga.ifica.ion is increa.ed, the well convergence increa.es a.d for more sta.ility it is necessa.y to increa.e the drilling mud pressure. This resea.ch wa. ca.ried out on the M2 coa. sea. in Ma.ino coa. deposit(Ira.).The results showed tha. the mud weight window for horizonta. well drilling is between 0 a.d 33 *** a.propria.e stress for the ma.imum sta.ility of the horizonta. well, ta.ing a.l the therma. a.d mecha.ica. pa.a.eters into a.count, is 28 MPa. The suggested numerica. method is a.comprehensive a.d consistent wa. for a.a.yzing the sta.ility of horizonta. wells in UCG sites.

关键词： Underground coa. ga.ifica.ion Thermo-mecha.ica. simula.ion Numerica. modeling Stress distribution Horizonta. well

Isoimpera.orin a.levia.es a.etic a.id-induced colitis in ra.s

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a.ia. Pa.ific Journa. of Tropica. Biomedicine 2024年第4期14卷 147-153页

作者： Sa.ed Gooda.zi a.ir Hossein a.dolgha.fa.i Behna. najafi Mosta.a.Pira.i Ha.eda.i Sa.ed Ta.a.oli Ma.sha. Ma.vi Ma.ya. Ba.eri Na.guess Ya.sa.a.ba. Ha.jia.hoondi Moha.ma. a.dolla.i Za.ra.Tofighi Medicina. Pla.ts Resea.ch Center Faculty of PharmacyTehran University of Medical SciencesTehranIran Depa.tment of Toxicology a.d Pha.ma.ology Faculty of PharmacyTehran Medical SciencesIslamic Azad UniversityTehranIran Depa.tment of Pha.ma.ognosy Faculty of PharmacyTehran University of Medical SciencesTehranIran Medicina. Pla.ts Resea.ch Center Institute of Medicinal PlantsACECRKarajIran Interna.iona. Ca.pus School of Pha.ma.y Tehran University of Medical SciencesTehranIran Toxicology a.d Disea.es group The Pharmaceutical Sciences Research CenterTehran University of Medical SciencesTehranIran Depa.tment of Toxicology a.d Pha.ma.ology Faculty of PharmacyTehran University of Medical SciencesTehranIran

Objective:To investiga.e the effect of isoimpera.orin on histopa.hologica. a.d biochemica. cha.ges in a.etic a.id-induced colitis ***:Colitis wa. induced by intra.olonic a.ministra.ion of a.etic a.id solution(4%v/v)in *** were divided into six groups including the sha. group,the nega.ive control group,the dexa.etha.one-trea.ed group,a.d the groups trea.ed with isoimpera.orin(0.1,1,a.d 10 mg/kg/d by ga.a.e).The trea.ments were a.ministered for three da.s a.d then colonic sta.us wa. a.sessed by ma.roscopic,histopa.hologica.,a.d biochemica. ***:Isoimpera.orin significa.tly a.levia.ed colonic da.a.e in a.dose-dependent ma.ner a.d improved histologica. cha.ges in ra.s with a.etic a.id-induced *** a.so significa.tly reduced myeloperoxida.e,TNF-α,IL-1β,a.d ma.odia.dehyde ***:Isoimpera.orin a.levia.es a.etic a.id-induced colitis in ra.s a.d ma. be a.potentia. thera.eutic a.ent for the trea.ment of colitis.

关键词： Isoimpera.orin Infla.ma.ory bowel disea.e a.etic a.id Colitis TNF-α IL-1β

Thermomecha.ica. Beha.ior of Ti-6a.-4V a.loy

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Journa. of Ma.eria.s Science & Technology 2003年第3期19卷 217-220页

作者： K.Fa.ma.esh a.najafi-zadeh Dept.of Ma.eria.s Engineering Isfahan University of TechnologyIsfahan 85154IranDept.of Materials EngineeringIsfahan University of TechnologyIsfahan 85154Iran

Ti-6a.-4V, a.ong the Ti a.loys, is the most widely used. In the present work, the beha.ior of Ti-6a.-4V a.loy ha. been investiga.ed by the unia.ia. hot isotherma. compression tests a.d a.series of dila.ometric experiments were a.so ca.ried out to determine the tra.sforma.ion tempera.ures a. different cooling ra.es. Specimens for hot compression tests were homogenized a. 1050℃ for 10 min a.d then quickly cooled to different stra.ning tempera.ures from 1050 to 850℃. Cooling ra.es were chosen fa.t enough to prevent high tempera.ure tra.sforma.ion during cooling. Compression tests were conducted a. tempera.ures from 1050 to 850℃ in steps of 50℃ a. consta.t true stra.n ra.es of 10-3 or 10-2 s-1. The a.pa.ent a.tiva.ion energy for compression in two-pha.e region wa. ca.cula.ed 420 kJ·mol-1. Pa.tia. globula.iza.ion of a.pha.e wa. observed in the specimen deformed a. low stra.n ra.es a.d a. tempera.ures nea. the tra.sforma.ion zone a.d a.nea.ed a.ter deforma.ion.

关键词： Tita.ium a.loy Hot pressing Ti-6a.-4V Dila.ometry

Neuroprotective potentia. of tra.itiona. a.urvedic Ka.ha.a.e-rela.ed neurologica. disorders:a.comprehensive litera.ure review

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Tra.itiona. Medicine Resea.ch 2024年第9期9卷 51-77页

作者： Sa.vin Sa.reddini Moha.ma. Ja.a. Ema.i Ka.ema.a. Soga.d Sheikholesla.i Kosa. Chitza.-zadeh Moha.ma. Ta.a.Koucha.i Midia.Ra.hidi a.ir a.ba. Gha.erin Sha.in Sa.a.hi Gha.a. Ta.a.oli Sepehr Na.ba.hsh Tina.Ma.souria. a.efeh Ta.a.hiri Fa.iba.a.ba. Mojeni Moha.med Na.iq a.in Za.ra.Ta.eri Seyed Esma.il Sedighi Ta.a.eh Ta.ka.hva.d Pa.ha. a.ira.odi Mobina.Fa.hi Shirin Ya.hoobpoor Niloofa. Dera.i School of Medicine Tabriz University of Medical SciencesTabriz ***Iran School of Medicine Qom University of Medical SciencesQom ***Iran School of Medicine Hamadan University of Medical SciencesHamadan ***Iran School of Medicine Ahvaz Jundishapur University of Medical SciencesAhvaz ***Iran Fa.ulty of Medicine Tabriz University of Medical SciencesTabriz ***Iran School of Medicine Iran University of Medical SciencesTehran ***Iran School of Medicine Shahid Beheshti University of Medical SciencesTehran ***Iran School of Medicine Mazandaran University of Medical SciencesSari ***Iran School of Medicine Kermanshah University of Medical SciencesKermanshah ***Iran Fa.ulty of Pha.ma.y Pharmaceutical Sciences BranchIslamic Azad UniversityTehran ***Iran Depa.tment of Biology Faculty of SciencePayamNoor UniversityTehran ***Iran Fa.ulty of Medicine Islamic Azad University of Medical ScienceTehran 193951495Iran Interna.iona. Ca.pus Shahid Sadoughi University of Medical SciencesYazd ***Iran

Despite modern medicine’s a.va.cements,a.e-rela.ed neurologica. disea.es like a.zheimer’s disea.e a.d Pa.kinson’s disea.e rema.n cha.lenging due to high costs,side effects,a.d limited ***,a.tra.itiona. India. medicine system,offers Ka.ha.tea.a. a.potentia. herba. *** review explores Ka.ha.s components(ba.il(Ocimum ba.ilicum L.),bla.k pepper(Piper nigrum L.),Cinna.on(Cinna.omum verum ***),ginger(Zingiber officina.e Roscoe),a.d ra.sin(Vitis vinifera.L.))a.d their intera.tion with va.ious neurologica. *** suggest Ka.ha.exhibits a.ti-infla.ma.ory,a.tioxida.t,a.d a.tivira. properties,potentia.ly impa.ting a.zheimer’s disea.e,Pa.kinson’s disea.e,neurotoxicity,neuroinfla.ma.ion,a.d bra.n *** focusing on specific disea.e mecha.isms a.d Ka.ha.s intergra.e effects,this review a.ms to elucida.e its potentia. role in ma.a.ing a.e-rela.ed neurologica. disorders.

关键词： a.urveda Ka.ha neuroprotective neurologica. disorders tra.itiona. medicine

Ma.sive Dira. pa.ticles ba.ed on ga.ped gra.hene with Rosen-Morse potentia. in a.uniform ma.netic field

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Chinese Physics B 2024年第8期33卷 170-178页

作者： a.Ka.a.i a.ireza.a.a.i M.a.Ra.za.pour Depa.tment of Physics Ayatollah Amoli BranchIslamic Azad UniversityAmolIran

We explore the ga.ped gra.hene structure in the two-dimensiona. pla.e in the presence of the Rosen-Morse potentia. a.d a. externa. uniform ma.netic *** order to describe the corresponding structure,we consider the propa.a.ion of electrons in gra.hene a. rela.ivistic fermion qua.i-pa.ticles,a.d a.a.yze it by the wa.e functions of two-component spinors with pseudo-spin symmetry using the Dira. ***,to solve a.d a.a.yze the Dira. equa.ion,we obta.n the eigenva.ues a.d eigenvectors using the Legendre differentia. *** tha.,we obta.n the bounded sta.es of energy depending on the coefficients of Rosen-Morse a.d ma.netic potentia.s in terms of qua.tum numbers of principa. n a.d spin-orbit ***,the va.ues of the energy spectrum for the ground sta.e a.d the first excited sta.e a.e ca.cula.ed,a.d the wa.e functions a.d the corresponding proba.ilities a.e plotted in terms of coordina.es *** wha. follows,we explore the ba.d structure of ga.ped gra.hene by the modified dispersion rela.ion a.d write it in terms of the two-dimensiona. wa.e vectors K_(x) a.d K_(y).Fina.ly,the energy ba.ds a.e plotted in terms of the wa.e vectors K_(x) a.d K_(y) with a.d without the ma.netic term.

关键词： ma.sive Dira. equa.ion Rosen–Morse potentia. Legendre polynomia. ga.ped gra.hene pseudospin symmetry