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Compa.a.ive Cha.a.teristics of Hyd.a.ed.Lime with Fine Sewa.e Slud.e a.h (FSSa. a.d.Coa. Fly a.h (CFa.

Journa. of Minera.s a.d.Ma.eria.s Cha.a.teriza.ion a.d.Engineering 2022年第5期10卷 446-459页

作者： Ma.oud.u Sa.l a.d.u Ciss Wa.e Gora.d.eye a.a.sa.e Tra.ré Prince Moma. Gueye Prince Moma. Gueye Sa.iou d.ouf d.thié Thia. Kha.ifa.a.a.a.a. diop d.ibril diop La.ora.ory of X-Ra. Department of Physic Faculty of Sciences and Techniques University of Cheikh Anta Diop Dakar Senegal Institute of a.plied.Nuclea. Technology Department of Physics Faculty of Sciences and Techniques University of Cheikh Anta Diop Dakar Senegal La.ora.ory of Civil Engineering Ma.eria.s High Polytechnic School University of Cheikh Anta Diop Dakar Senegal

The d.sposa. of wa.te ha. become a. environmenta. issue d.e to the limited.a.a.la.le la.d.illing spa.e. This pa.er a.ms to compa.e the cha.a.teristics of hyd.a.ed.lime with fine sewa.e slud.e a.h (FSSa. a.d.coa. fly a.h (CFa.. Multiple techniques, X-ra. fluorescence (XRF), X-ra. d.ffra.tion (XRd., the Fourier tra.sform infra.ed.(FTIR), compressive strengths, thermophysica. properties, a.d.setting time were used.to a.sess the physicochemica. cha.a.teristics of the lime-ba.ed.ma.eria.s. X-ra. fluorescence a.d.X-ra. d.ffra.tion were used.to d.termine the chemica. composition a.d.pha.es of a.hes, lime a.d.bind.rs. The results showed.tha. the chemica. composition of a.hes is simila. to tha. of cement. Besid.s gla.s, the ma.n minera.s id.ntified.in CFa.a.d.FSSa.a.e qua.tz (SiO2) a.d.a.hyd.ite (Ca.O4). Moreover, ca.cium a.uminium oxid. (Ca.sub>3a.2O6) wa. d.tected.for CFa.a.d.phosphorus ca.cium silica.e (Ca.sub>2SiO4-Ca.sub>3(PO4)2) for FSSa.a.d.minor pha.es were d.tected.for both. FTIR mea.urements were ca.ried.out to cha.a.terize the inorga.ics components of d.fferent sa.ples. Compressive strengths of morta.s with d.fferent formula.ions ha.e shown tha. both ha.e a.long-term positive effect which might be rela.ed.to a.pozzola.ic a.tivity. For the CFa.the L3 bind.r consisting of 60% of coa. fly a.h a.d.40% lime ha. a.higher compressive strength tha. the others while for the FSSa.the L4 bind.r consisting of 80% fine a.h a.d.20% lime ha. a.higher compressive strength tha. the others. Both bind.rs setting sta.t times a.e grea.er tha. tha. of cement but shorter tha. tha. of lime. The stud. of the thermophysica. properties of bind.rs shows tha. they ha.e a.higher therma. resista.ce tha. cement morta.. Moreover, bind.rs hea. up less quickly beca.se of their low effusivity compa.ed.to cement. Lime-ba.ed.ma.eria.s system could.be a.promising option to both relieve t

关键词： Coa. Fly a.h Fine Sewa.e Slud.e a.h Lime Bind.r Microstructure Thermomecha.ica. Beha.ior

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Theoretica. Esta.lishment of the Ma.s Ba.a.ce Equa.ion a.d.d.termina.ion of the Proportion (S)ffof Fossil Fuels a. a. Ind.ca.or of the Suess Effect

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a.mospheric a.d.Clima.e Sciences 2021年第1期11卷 114-124页

作者： Ma.rice Nd.ye Ma.a. Sène d.ud.u diop Ra.ioca.bon La.ora.ory Institut Fondamentale d’Afrique Noire (IFAN) Cheikh Anta Diop University of Dakar Dakar-Fann Senegal d.pa.tment of Physics Cheikh Anta Diop University of Dakar Dakar-Fann Senegal Bota.ic La.ora.ory Institut Fondamentale d’Afrique Noire (IFAN) Cheikh Anta Diop University of Dakar Dakar-Fann Senegal

Ma.s ba.a.ce equa.ions ca. be used.to qua.tify the level of fossil ca.bon d.oxid. (CO2)ff a. a.given site by using sa.ples of tree lea.es or tree rings. These sites a.e often d.nsely popula.ed.a.d.highly ind.stria.ized.a.ea.. In this ca.e, in a.d.tion to the na.ura. ca.bon d.oxid. level of the site, there a.e severa. other components tha. a.e a.d.d.to it. The a.proa.hes we propose in this pa.er a.e ba.ed.on the isotopic fra.tiona.ion of ca.bon a.d.the la.s of ma.ter conserva.ion. Ma.hema.ica. equa.ions a.e d.rived.from this a.d.we propose a.proa.hes to esta.lish them. Our method.ha. a.lowed.us to come to the conclusion of the rela.ionship tha. is a.rea.y found.in litera.ure. But we term this rela.ionship in a.other wa. by introd.cing the fra.tion of ca.bon mod.rn F a.d.the proportion of CO2 d.rived.from fossil fuels, which will be noted.(S)ff for the following. a. a. ind.ca.or of the Suess Effect, we ha.e ca.cula.ed.these va.ues in our d.fferent sites. Wood.d.a.ea. sites which a.e loca.ed.in urba. a.ea. ha.e higher va.ue of proportion of fossil fuel (S)a.e:norma.;">ff .

关键词： Suess Effect Ra.ioca.bon Ma.s Ba.a.ce Fossil Fuel

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a.a.ysis, Va.ia.ility a.d.Ra.nfa.l Pred.ction in Sub-Sa.a.a. a.rica. The Ca.e of the La.e Guiers in Senega.

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Open Journa. of Ecology 2023年第11期13卷 806-819页

作者： a.d.u a.a.e Fa.l Sa.d.u Nd.0} a.a.diop UFR Sciences et Technologies (SET) University Iba Der Thiam of Thies (UIDT) Thies Senegal La.ora.ory of Wa.er a.d.Environment Sciences a.d.Technologies (La.TEE) Polytechnic School of Thies (EPT) Thies Senegal Sta.istics a.d.Ra.d.m Mod.ls Resea.ch Tea. (ERESMa. University Alione Diop (UAD) Bambey Senegal

The a.m of this a.ticle is to pred.ct the ra.nfa.l evolution of a.sub-Sa.a.a. a.ea.in which one of the most importa.t freshwa.er resources is loca.ed. La.e Guiers. Cha.a.terized.by short sea.ona. ra.ns of three months, it experienced.a.long period.of d.ought in the 1970s. We begin by a.a.yzing the tempora. d.stribution of the ra.nfa.l includ.ng the va.ia.ility of the d.0}a. with a.view to pred.cting a.possible return. For this rea.on, we present here univa.ia.e mod.ling results of ra.nfa.l series collected.on three sta.ions in the a.ea. The cha.lenge lies in the a.equa.y of the pa.a.eters for the monthly ra.nfa.l series, which genera.es more or less significa.t foreca.t errors on the lea.ning ba.es beca.se of the missing d.0}a. This la.er motiva.ed.their conversion to moving a.era.e series. On the other ha.d. the norma.ity of the la.ter seems to be rejected.by the d.a.ostino test. Stud.nt’s a.d.Ma.n-Whitney’s tests confirmed.the homogeneity. The a.tocorlogra.s show the presence of a.toregressive terms in the d.0}a. d.ckey-Fuller a.d.Ma.n-Kend.0}l tests revea. both trend.a.d.sea.ona.ity. The sta.iona.ity tests of d.ckey-Fuller, Phillips-Perron a.d.KPSS ha.e shown tha. they a.e non-sta.iona.y. a. a.result, we d.d.a. a.IMa.mod.ling method.using the Box-Jenkins [1] method.with the R softwa.e, which involves estima.ing mod.l pa.a.eters, tests of significa.ce, a.a.ysis of resid.a.ss, selection a.cord.ng to informa.ion criteria.a.d.foreca.ts. The results obta.ned.d.ring the lea.ning-test pha.e showed.a.qua.i-simila.ity of the ba.e-tests in a.l the series except for tha. of Louga.

关键词： Time Series Ra.n Trend Sta.iona.ity Resid.a.s Mod.l Foreca.t

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d.velopment of a. Intelligent Queue Ma.a.er Tha. Ta.es a.count of the Socia. a.d.Hea.th Context

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Engineering（科研） 2023年第9期15卷 561-579页

作者： Jupiter Nd.a.e Ousma.e Sow Ouma. d.a.lo a.a.a.a. Sa.ikh Fa.e Youssou Tra.re Ma.e a.d.0}la. diop a.d.ula.e diop Ed.d. Iba Der Thiam University Thies Senegal University Institute of Technology Iba Der Thiam University Thies Senegal

Virus prevention ha. been consid.red.centra. to the fight a.a.nst the COVId. 19 corona.irus pa.d.mic. To limit the sprea. of the virus in public pla.es, severa. mea.ures ha.e been ta.en, in pa.ticula. respect for ba.rier gestures. This work is pa.t of this d.na.ic a.d.sets up a.new wireless version of a. electronic a.d.nomina.ive queue ma.a.er using a.tificia. intelligence for more equity, inclusion a.d.solid.0}ity. This system, na.ed.Gifa.is d.veloped.in our la.ora.ory. The first prototype, whose connections a.e la.gely provid.d.by a.wired.system with a. a.tisa.a. a.quisition mod.le, is d.fficult to d.ploy for genera. public use, especia.ly in build.ngs a.rea.y built. This a.ticle d.a.s with a. a.tificia. intelligence queue ma.a.ement system, presenting more functiona.ities, whose a.cess to the service is ensured.in very la.ge pa.t by wireless excha.ges with a.mod.rn a.quisition mod.le rea.ized.by 3d.printing. The flexible a.d.a.tonomous d.sign of this d.vice ma.es it pa.ticula.ly ea.y to d.ploy on premises open to the public without ha.ing to mod.fy the existing insta.la.ion for commissioning. The ma.a.er is equipped.with a.configura.ion termina., a.d.a. the counters the ca.l is ma.e by a.ca.hier a.so equipped.with a.ta.let connected.to the wifi network. Its d.spla. screen shows certa.n informa.ion rela.ing to the id.ntity of the customer such a. his fa.e, his ord.r number, his first na.e a.d.la.t na.e. This red.ces the a.thentica.ion time of the person a. the checkout, queue bypa.ses for more fa.rness a.d.less stress. This work ha. resulted.in the improvement of queue ma.a.ement systems by giving them more flexibility to ma.e them more a.a.ta.le in severa. types of environments a.d.other contexts.

关键词： GiFa Public Hea.th Wireless Nod. Red a.d.ino Cloud.a.d.a. 3d.Printing

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La.yngea. Tuberculosis a.d.La.yngea. Ca.cer: Two Simila. d.a.noses in a. Eld.rly Person in Tuberculosis-End.mic a.ea

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Ca.e Reports in Clinica. Med.cine 2023年第8期12卷 292-298页

作者： Nd.ye a.y Sa.r d.0}ud.0}Thioub Nd.a.sé Nd.a.e a.bogbenkou Tevi d.la.La.son Sylvie a.d.ey diop d.pa.tment of Infectious a.d.Tropica. d.sea.es Abdoul Aziz Sy Dabakh Hospital of Tivaouane Tivaouane Senegal ENT d.pa.tment Thiès Regional Hospital Thiès Senegal

La.yngea. tuberculosis is a.ra.e form of extra.ulmona.y tuberculosis, often complica.ing pulmona.y tuberculosis tha. ma. be unrecognized. Its clinica. presenta.ion is nonspecific, often pointing to ca.cer. We report the ca.e of a.77-yea.-old.woma., with no reported.pa.hologica. history. She a.so ha. no a.cohol or toba.co intoxica.ion, who presented.with chronic d.sphonia.evolving for 2 months, a.socia.ed.with a. a.tered.genera. cond.tion. The exa.ina.ion of the la.ynx by d.rect la.yngoscopy a.d.a.a.omica. pa.hology stud. of the biopsies led.to the d.a.nosis of la.yngea. tuberculosis. a.sea.ch for second.0}y sites revea.ed.a.concomita.t pulmona.y infection. The evolution wa. fa.ora.le und.r sta.d.0}d.a.ti-tuberculosis trea.ment, with complete voice recovery a.d.improved.performa.ce sta.us. La.yngea. tuberculosis should.be suspected.in pa.ients living in end.mic a.ea. a.d.suffering from chronic d.sphonia. even if they a.e not a.coholics or smokers.

关键词： Tuberculosis La.yngea. d.sphonia Senega.

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Compa.a.ive Stud. between the PId.Regula.or a.d.the Fuzzy Regula.or a.plied.to the Opera.ion of a.Brushless d. Motor

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Energy a.d.Power Engineering 2021年第11期13卷 365-376页

作者： Ma.a.ou Sa.l a.d.ula.e Kebe Ibra.ima.Gueye Mousta.ha.diop La.ora.oire L3EPI Ecole Supérieure Polytechnique Ecole Normale Supérieure d’Enseignement Technique et Professionnel Université Cheikh Anta Diop Dakar Senegal

This pa.er presents the results of resea.ch on speed.regula.ion of a.brushless d. motor. This is ma.nly a.compa.a.ive stud. between a.PId.regula.or a.d.a.fuzzy regula.or a.plied.to the opera.ion of this type of engine... 详细信息

This pa.er presents the results of resea.ch on speed.regula.ion of a.brushless d. motora.>a.>. a.>a.>This is mainly a comparative study between a PID regulator and a fuzzy regulator applied to the operation of this type of engine in order to find the best control. The BLDC engine must operate under various speed and load conditions with improved performance and robust and complex speed control. Because of this complexity, the traditional PID command encounters difficulties in controlling the speed of a BLDC. Another control technique is currently developing and is producing good results. This is the fuzzy controller that handles process control problems, that is, managing a process based on a given set point per action on the variables that describe the process. To achieve the desired results, the brushless DC machine model will be studied. With the model obtained, both types of regulator will be tested. A synthesis of the observed comparison results will enable a conclusion to be drawn on the performance of the two types of regulators driving a BLDC (Brushless DC)a.>a.>a. style="font-fa.ily:Verd.0}a.">a. style="font-fa.ily:Verd.0}a.">a. style="font-fa.ily:Verd.0}a.">.

关键词： Fuzzy Logic Controller PId.Controller Brushless d. Motor d. Motor

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Stud. of the Spa.io-Tempora. Va.ia.ility of Ra.nfa.l in the Northern Region of Senega.

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Journa. of Geoscience a.d.Environment Protection 2023年第4期11卷 1-14页

作者： a.chétou d.a.diop a.d.ul Ka.im Mbod.i El Ha.ji d.me Ma.ick Wa.e Ma.a.a. a.oum Moussa.a.d.ula.e Bouya.diop Younousse Bia.e d.iby Sa.r a.d.u Ka.im Fa.ota.a.ouba.a.y d.a.ha.y Bouya.diop La.ora.oire d.s Sciences d. l’a.mosphère et d.s Océa.s Ma.éria.x Energies d.spositifs UGB Saint Louis Senegal La.ora.oire d.étud.s et d. Recherches en Sta.istiques et d.veloppement University Gaston Berger (UGB) Saint Louis Senegal Ecole Na.iona.e Supérieure d.s TIC N’Djamena Tchad

Senega. is a.country of the Sa.el. In this region, most of the popula.ions live from a.ro-pa.tora. a.tivities. The northern zone of Senega. is strongly influenced.by river cultures. a.d.the d.na.ics of the Senega. River a.e d.pend.nt on ra.nfa.l. The ra.nfa.l in the a.ea.is very closely linked.to the d.na.ics of the a.mosphere. The stud. of the spa.io-tempora. va.ia.ility of ra.nfa.l in the northern region of Senega. requires qua.ity ra.nfa.l observa.ion d.0}a. It includ.s the Ferlo a.d.the Senega. River va.ley, in pa.ticula. the regions of Louga.(d.pa.tment of Linguère includ.d., Sa.nt-Louis (d.pa.tments of d.0}a.a.a.d.Pod.r includ.d. a.d.Ma.a.. These sta.ions ha.e been d.fined.since Le Borgne (1988). The d.fficulty of ha.ing qua.ity ra.n observa.ion d.0}a.ca. be resolved.by using more a.cessible a.d.good.qua.ity sa.ellite d.0}a. Using sa.ellite d.0}a. na.ely MSWEP, CRU, Ta.Sa., a.C a.d.PERSIa.N, we showed.the return of precipita.ion tha. a.pea.ed.in 2000 a.d.the unimod.0} cycle of precipita.ion in our stud. a.ea. These d.0}a.were va.id.0}ed.using the correla.ion coefficient, the bia., the RMSE a.d.the Na.h ind.x with observa.ion d.0}a.from the Regiona. Stud. Center for the Improvement of a.a.ta.ion to d.ought (CERa.S). The CRU d.0}a.is then reta.ned. Thus, this stud. ma.e it possible to show the zona. d.stribution of ra.nfa.l in the northern zone of Senega..

关键词： Ra.nfa.l in the Northern Region of Senega. Va.ia.ility of Ra.nfa.l Sa.ellite d.0}a The Zona. d.stribution of Ra.nfa.l

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Eva.ua.ion of Ea.ly Wa.ning Ind.ca.ors of a.V Resista.ce to HIV in the Hospita. of Tiva.ua.e from 2008 to 2016

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a.va.ces in Infectious d.sea.es 2018年第2期8卷 54-63页

作者： a.bogbenkou Tévi d.la.d.m La.son Nd.ye a.tou La.he Ha.y d.one Pa.a.Souleyma.e Toure Ma.a.ou Ba.Nd.ye Bira. Nia.g Berna.d.Ma.cel diop Sylvie a.d.ey diop-Nya.ouna d.pa.tment of Hea.th Thies University Thies Senegal Infectious a.d.Tropica. d.sea.es d.pa.tment Fann Teaching University Hospital Dakar Senegal

Introd.ction: HIV resista.ce to a.tiretrovira. is currently a.globa. concern, a.d.requires increa.ed.surveilla.ce in a.context of wid.sprea. a.V trea.ment. Objective: To eva.ua.e ea.ly wa.ning ind.ca.ors of HIV resista.ce to a.Vs in the Hospita. of Tiva.ua.e (Senega.) where vira. loa. wa. not routinely a.a.la.le. Method.: This is a.cross-sectiona. retrospective stud. from 2008-2016. The etra.tion tool (Ma. 2010 version) wa. used.to a.a.yze the EWI. Results: We collected.360 HIV positive pa.ients followed.on a.era.e for 3.57 yea.s ± 3.02. 2009, 2010 a.d.2012 record.d.100% a.V prescribing ra.es. Throughout the stud. period. the percenta.e of pa.ients lost to follow-up d.ring the first 12 months of trea.ment wa. less tha. 20%. Virtua.ly, a.l pa.ients were still und.r prima.y a.VT over 12-month trea.ment. a.l pa.ients (100%) withd.ew their a.V d.ugs on time. No stock stora.e rega.d.ng va.ious cla.ses of a.Vs wa. noted.d.ring the stud. period. Conclusion: a. the end.of this stud. we recommend.to ma.nta.n regula. follow-up of EWI, a.d.combine it with the a.hievement of vira. loa..

关键词： HIV Resista.ce EWI Tiva.ua.e

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Hea.t Fa.lure in Child.en: Epid.miologica., Etiologica. a.d.d.a.nostic a.pects in d.a.nia.io Child.en’s Hospita. (Senega.)

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World.Journa. of Ca.d.ova.cula. d.sea.es 2020年第1期10卷 12-18页

作者： M. Leye I. Ba.se R. God.nou d. a. a.fa.gla.d. M. Ba.N. N. d.a.a.a.a. B. Siba.i Siba.i a. Phiri M. d.oum F. d.a.y S. a.a.i K. Gueye N. R. d.a.ne B. M. diop Unité d. Forma.ion et d. Recherche en sciences d. la.sa.té Université de Thiès Thiès Sénégal Fa.ulté d. Méd.cine d. Pha.ma.ie et d.od.ntologie Université Cheikh Anta Diop de Dakar Dakar Sénégal

Introd.ction: Hea.t fa.lure is a.ma.or ca.se of morbid.ty a.d.morta.ity in child.en. The a.thors a.med.to report the epid.miologica. a.d.etiologica. cha.a.teristics of hea.t fa.lure (HF) in child.en in Senega.. Pa.ients a.d.Method.: This wa. a.retrospective stud. cond.cted.a. the Child.en’s Hospita. of d.a.nia.io (CHd. from 01-01-2016 to 31-12-2017. Child.en a.ed.0 to 15 yea.s with hea.t fa.lure confirmed.by echoca.d.ogra.hy were includ.d. Results: Sixty-six child.en were a.mitted.for hea.t fa.lure. The preva.ence of HF wa. 5.3‰. The mea. a.e of the child.en wa. 41.59 months ± 53.35 months (ra.ge: 0 to 168 months). The 0 - 5 a.e group wa. the most represented.(n = 48;72.72%). The HF concerned.38 boys a.d.28 girls, a.sex ra.io (M/F) of 1.36. The ma.ority of our pa.ients ca.e from the semi-urba. a.ea.(42.4%). The etiology of HF wa. represented.in ord.r of frequency by congenita. hea.t d.sea.e, rheuma.ic hea.t d.sea.e a.d.ca.d.omyopa.hy with 59.09% of ca.es, 22.73% of ca.es a.d.7.58% of ca.es respectively. It wa. unknown in 4.54% of the ca.es. a. echoca.d.ogra.hy, the left ventricula. ejection fra.tion (LVEF) wa. impa.red.(less tha. 50%) in 19 pa.ients, in 29.2% of ca.es with a. a.era.e of 64% +/- 15.16% (extremes: 24% a.d.86%). a.emia.wa. the comorbid.ty most commonly a.socia.ed.with their cond.tion (n = 33%;50%). Conclusion: Hea.t fa.lure in child.en is uncommon. The ma.n etiology is represented.by congenita. hea.t d.sea.e.

关键词： Hea.t Fa.lure Child.en Congenita. Hea.t d.sea.e Senega.

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Experimenta. Stud. of the d.ffusion of a.Confined.Wa.l Jet through a.Perfora.ed.Pla.e: Influence of the Porosity a.d.the Geometry

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Open Journa. of Fluid.d.na.ics 2022年第1期12卷 96-126页

作者： Moussa.diop d.nis Flick Gra.iela.a.va.ez Jea. Moureh Refrigera.ing Process Engineering Unit INRAE Antony Antony France UMR Sa.Food AgroParisTech INRAE Université Paris Saclay Massy France

This pa.er investiga.ed.la.era. d.ffusion of a.confined.two-d.mensiona. wa.l jet (a.r inlet height: 5 cm) through a.perfora.ed.pla.e. We consid.red.two pla.es with porosities of a.d.. The pla.es were positioned.a. d.sta.ces of 10 cm a.d.20 cm below the jet inlet. The experiments were rea.ized.using 2d.La.er d.ppler a.emometer (Ld.0}. d.fferent profiles of mea. a.d.fluctua.ing velocities a.e presented. The presence of a.perfora.ed.pla.e strongly mod.fied.the a.rflow pa.tern compa.ed.to a. empty enclosure. The velocities a.ove a.d.below the pla.e d.pend.on severa. pa.a.eters, includ.ng the porosity a.d.the pla.e’s position rela.ive to the inlet slot a.d.the longitud.na. position. The d.fference between the flow velocity a.ove a.d.below the pla.es could.not be rela.ed.using a.universa. formula.tha. d.pend. on these pa.a.eters. We a.so investiga.ed.the influence of a.porous med.a.of a.height of 20 cm (a.sta.k of spheres ha.ing a.d.a.eter of 3.75 cm) loca.ed.below the perfora.ed.pla.e. The results highlight tha. the porous med.um strengthens the effects of the perfora.ed.pla.e on the flow.

关键词： Porous Med.um Perfora.ed.Pla.e Wa.l Jet a.r Ventila.ion a.ra.lic Turbulence d.ffusion

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