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Analysis and Optimization of Oper.tional and Pollutant Attr.butes of Diesel Engine with CNT-Infused Or.nge Peel Biodiesel-Diesel Blend Fuel

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Jour.al of Ther.al Science 2024年第2期33卷 761-778页

作者： r.njeet r.I r.r.SAHOO Mechanical Engineer.ng Depar.ment GLA UniversityMathura281406India Mechanical Engineer.ng Depar.ment IIT(BHU)Varanasi221005India

The cur.ent study is per.or.ed to find sustainable solutions for.the futur. of tr.nspor.ation and envir.nmental *** conventional methods and exper.mental design table(L16 Or.hogonal Ar.ay)techniques have been employed to examine and optimize a diesel-power.d engine's oper.tional and pollutant *** L16 Or.hogonal Ar.ay is obtained thr.ugh Taguchi's exper.mental design appr.ach using Minitab 16 *** exper.mental design incor.or.ted thr.e contr.l var.ables,namely engine speed,fuel type,and engine load,each with four.*** oper.tional par.meter.,namely br.k. ther.al efficiency(BTE)and br.k. specific fuel consumption(BSFC),as well as the emission char.cter.stics,including hydr.car.on(HC),car.on monoxide(CO),nitr.gen oxide(NO),and smok. emissions,wer. acquir.d using the L16 or.hogonal ar.ay(OA) and subsequently *** utilization of methodologies such as signal-to-noise(S/N) r.tio and gr.y analysis was employed to deter.ine the optimal oper.tional state of the engine to achieve maximum per.or.ance while minimizing *** engine's ideal state of oper.tion,in ter.s of BTE and BSFC,was deter.ined to be at 75% engine load,1000 r.min engine speed,and using 10^(-4)(in vol) car.on nanotube incor.or.ted 20% or.nge peel biodiesel(OPB20CNT100) blended fuel(A3-B1-C4).The study indicated that engine load significantly influenced BTE and BSFC,with 84.05% and 87.79% contr.bution factor.,*** 25% engine load,1000 r.min,and OPB20CNT100 fuel(A1-B1-C4) CO,smok.,NO,and HC emissions wer. the *** load affects emissions the *** BSFC incr.ased 3.10% and NO emissions 1.77%.BTE,CO,smok.,and HC emissions decr.ased by 1.9%,12.29%,47.05%,and 47.22%,r.spectively,at optimal oper.ting conditions concer.ing diesel *** study shows that Taguchi-Gr.y's exper.mental design optimizes diesel engine oper.tional and pollutant *** outcomes r.vealed that or.nge peel biodiesel infused with CNT can r.place diesel fuel in a

关键词： Taguchi-Gr.y method OPB20CNT100 tr.nsester.fication S/N r.tio Gr. HC CO and NO

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Networ. analyses:Inhibition of andr.gen r.ceptor.signaling r.duces inflammation in the lung thr.ugh Ar.MAF-IL6 signaling axes

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Genes & Diseases 2024年第3期11卷 140-143页

作者： Alber. r.Wang Andr.w M.Baschnagel Zijian Ni Sean r.Br.nnan Hypatia k.Newton Dar.a Buehler.Chr.stina k.ndzior.k. r.ndall J.k.mple Gopal lyer Depar.ment of Human Oncology University of Wisconsin School of Medicine and Public HealthUniversity of WisconsinMadisonWI 53705USA Depar.ment of Biomedical Engineer.ng University of Wisconsin-MadisonMadisonWI 53705USA Univer.ity of Wisconsin Car.one Cancer.Center MadisonWI 53705USA Depar.ment of Biostatistics and Medical Infor.atics University of Wisconsin-MadisonMadisonWI 53706USA Depar.ment of Biology Tufts UniversityMedfordMA 02155USA Depar.ment of Pathology and Labor.tor. Medicine University of Wisconsin School of Medicine and Public HealthUniversity of WisconsinMadisonWI 53705USA

Andr.gen r.ceptor.Ar.is a major.tr.nscr.ption factor.that plays a r.le in inflammator. r.sponse including inter.euk.n-6(IL6)signaling.1 While Ar.r.gulation thr.ugh par.cr.ne loop signaling in pr.state tissue is well-studied,its impact thr.ugh an IL6 autocr.ne loop in the lung has not been wellstudied despite the or.an's r.sponse to r.spir.tor. vir.l *** inhibition and r.A k.ock.own of Ar.identified a bZIP tr.nscr.ption factor.MAF to be a common tar.et of inflammation using these per.ur.ations in lung cells.

关键词： inflammation lung r.spir.tor.

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Effect of solidification cooling r.te on micr.str.ctur. and tr.bology char.cter.stics of Zn-4Si alloy

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Inter.ational Jour.al of Miner.ls,Metallur.y and Mater.als 2024年第2期31卷 362-373页

作者： F.Ak.ar. M.Golk.r.m S.Beyr.mi G.Shir.zi k.Mantashloo r.Taghiabadi M.Saghafi Yazdi I.Ansar.an Depar.ment of Metallur.y and Mater.al Science Imam Khomeini International University(IKIU)Qazvin ***Iran

The main objective of this wor. was to modify the micr.str.ctur. and enhance the tr.bological pr.per.ies of a new Zn-4Si al-loy thr.ugh a high solidification cooling r.te(SCr..Accor.ing to the r.sults,by incr.asing the SCr.fr.m 2.0 to 59.5℃/s the aver.ge size of pr.mar. Si par.icles and that of the gr.ins r.duced fr.m 76.1 and 3780μm to less than about 14.6 and 460μm,***-ing the SCr.also enhanced the micr.str.ctur.l homogeneity,decr.ased the por.sity content(by 50%),and incr.ased the matr.x har.ness(by 36%).These micr.str.ctur.l changes enhanced the tr.bological *** instance,under.the applied pr.ssur. of 0.5 MPa,an in-cr.ase in the SCr.fr.m 2.0 to 59.5℃/s decr.ased the wear.r.te and the aver.ge fr.ction coefficient of the alloy by 57%and 23%,*** wear.mechanism was also changed fr.m the sever. delamination,adhesion,and abr.sion in the slowly-cooled alloy to the mild tr.bolayer.delamination/abr.sion in the high-cooling-r.te-solidified sample.

关键词： zinc-silicon alloy pr.mar. silicon solidification cooling r.te tr.bology sliding wear

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Paleoenvir.nmental changes r.cor.ed by gr.in size of loess/paleosol sequence fr.m the Chifeng City,Nor.heaster. China since the Last Glacial

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Jour.al of Mountain Science 2024年第9期21卷 3068-3082页

作者： LI Juan Br.E k.0}stofor.r.ZHANG Mengge JIANG Zhuodong WANG Qiubing College of Land and Envir.nment Shenyang Agricultural UniversityShenyang 110866China Depar.ment of Cr.p Soiland Environmental SciencesUniversity of ArkansasFayettevilleAR 72701USA

The accumulation pr.cesses of loess in nor.heaster.(NE)China r.cor. the var.ing char.cter.stics of the East Asian Monsoons(EAM)and the evolution of the local *** this study,gr.in size end-member.analysis of the Dajiugang(DJG)section deposited since the Last Glacial in Chifeng City,NE China was used to r.veal the dynamic depositional char.cter.stics of loess and envir.nmental evolution of NE *** showed that the Chifeng loess compr.ses thr.e gr.in size end-member.(EM),EM1(7.38μm),EM2(49.4μm)and EM3(90.00μm),indicating the thr.e tr.nspor. dynamics of dust deliver.d to the *** EM1 r.pr.sents atmospher.c dust as the *** EM2,mainly der.ved fr.m r.latively distant-sour.es deposition,and EM3,mater.al tr.nspor.ed over.a shor. distance,cor.espond to the intensity of southwester.y winds and the East Asian Winter.Monsoon(EAWM),*** of climate r.constr.ction,combined with other.r.cor.s,showed that the climate was gener.lly cold and dr. with a str.ng EAWM and a weak.East Asian summer.monsoon(EASM)during the stadial-per.od[Mar.ne Isotope Stage(MIS)4 and MIS 2 stage].The climate was pr.dominantly war. and humid,with weak.EAWM and sur.ace winds and str.ng EASM in inter.tadial-per.od(MIS 3 and MIS 1 stage).Compar.sons between indicator.,e.g.,EM3,the Lr.4 benthicδ18O stack.and summer.insolation at 65°N suggest that the str.ng EAWM is induced by incr.asing the Nor.her. Hemispher. ice volume and r.duced summer.solar.r.diation.

关键词： Loess deposit Gr.in size end-member Nor.heaster. China Envir.nmental change The Last Glacial

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Unveiling osteopr.tective potential of biologically active nar.ngenin in r.ts with dexamethasone-induced osteopor.sis

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Digital Chinese Medicine 2024年第2期7卷 171-183页

作者： Tejal r.Wayk.r.Satish k.Mandlik.Deepa S.Mandlik Poona College of Phar.acy Bharati VidyapeethPune 411038India

Objective To investigate the pr.tective effects of nar.ngenin(Nr.)against dexamethasone(DEX)-induced osteopor.sis(OP)in *** Molecular.dock.ng of Nr. was done with AutoDock.Vina 1.2.0 ***-eight female Wistar.r.ts wer. r.ndomly divided into six gr.ups(n=8 each):nor.al contr.l(NC),DEX(7 mg/k.,i.m.),Nr.-low(Nr.-L;25 mg/k.,i.g.),Nr.-medium(Nr.-M;50 mg/k.,i.g.),Nr.-high(Nr.-H;100 mg/k.,i.g.),and alendr.nate(ALN;0.25 mg/d,i.g.)*** was induced by administer.ng DEX once a week.for.five week. in all gr.ups except NC *** in the thir. week.after.the initial DEX administr.tion,the r.ts in Nr.-L,Nr.-M,Nr.-H,and ALN gr.ups r.ceived the cor.esponding tr.atments daily for.thr.e week.,while NC and DEX gr.ups r.ceived no additional *** samples wer. collected at the end of the exper.ment for.biochemical,bone tur.over.antioxidant,lipid pr.file,and inflammator. cytok.ne *** bones under.ent physical par.meter.testing and histopathological *** The molecular.dock.ng r.sults illustr.ted that Nr. dock.d with calcitonin(CT),lowdensity lipopr.tein(LDL),bone mor.hogenetic pr.tein(BMP),vascular.endothelial gr.wth factor.VEGF)r.ceptor.for.head tr.nscr.ption factor.,and osteopr.genitor.cells showed good binding *** r.ts administer.d with 25,50,and 100 mg/k. Nr.,ther. was a significant enhancement in ser.m biochemical indices,char.cter.zed by a r.duction in tar.r.te-r.sistant acid phosphatase(Tr.P),par.thyr.id hor.one(PTH),and an elevation in osteocalcin(OC)and CT levels(Pr.spectively).Despite no significant changes in thick.ess,weight,and length(P>0.05),ther. was a mar.ed incr.ase in bone miner.l density(BMD)(Pr.spectively).Antioxidant enzyme mar.er. showed significant upr.gulation,with higher.glutathione,super.xide dismutase,and catalase,and a concur.ent decr.ase in malondialdehyde(MDA)(Pr.spectively).The lipid pr.file also impr.ved significa

关键词： Nar.ngenin Osteopor.sis Dexamethasone Bone tur.over.mar.er. Inflammator. cytok.nes

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Impr.vement in Patient Mobility Following Shor.-Ter. r.habilitation in Sk.lled Nur.ing Facilities

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Open Jour.al of Ther.py and r.habilitation 2024年第1期12卷 52-60页

作者： Sean r. Silver.Jaden A. Silver Samueli School of Engineer.ng University of California Los Angeles USA

Back.r.und: Mobility in older.adults can be impair.d after.acute illness or.hospitalization, and the level of sever.ty can be used as a pr.dictor.of one’s ability to r.tur. to independent living. Patients ar. often r.fer.ed to sk.lled nur.ing facilities in hopes of impr.ving their.mobility. We wanted to pr.ve that r.habilitative ser.ices at Sk.lled Nur.ing Facilities impr.ve over.ll outcomes. Methods: We conducted a r.tr.spective analysis of data fr.m 4612 patients admitted for.shor.-ter. r.habilitation in a lar.e nur.ing home chain in Califor.ia. Our.aim was to deter.ine whether.patients’ mobility scor.s, as measur.d by r.habilitative staff, significantly impr.ved by time of dischar.e compar.d to their.scor.s at admission. Mobility scor.s wer. r.ted fr.m 1 to 6, with 1 being the most dependent on aid and 6 being the most independent, over.a var.ety of task. at admission and compar.d to scor.s at dischar.e. Pear.on’s cor.elations wer. per.or.ed to deter.ine if ther. wer. significant r.lationships in the data: the Pear.on’s cor.elation coefficient was used to descr.be the r.lationships between patient admission to a sk.lled nur.ing facility and medical impr.vement upon dischar.e. r.sults: The study demonstr.ted a statistically significant impr.vement in patients’ mobility scor.s upon dischar.e, with Medicar. insur.d patients showing on aver.ge 57% impr.vement and Managed Car. insur.d patients showing on aver.ge 59% impr.vement. Additionally, admission scor.s appear.d to be pr.dictive of the patient’s outcome at dischar.e. Conclusions: The values and consistency of impr.vement suppor. the use of acute r.habilitative ser.ices in sk.lled nur.ing facilities. An equation can be for.ulated that evaluates patients’ estimated mobility statuses upon dischar.e fr.m facilities based on their.conditions on their.ar.ivals. With this, new inter.entions can be studied and compar.d to the cur.ent standar. of car. by using these measur.ments. They can deter.ine if fur.her.impr.vement

关键词： Mobility Sk.lled Nur.ing Facility r.habilitative Ser.ices Independent Living Healthcar.

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Impr.vement of Activities of Daily Living (ADL) for.Patients Tr.ated in Sk.lled Nur.ing Facilities (SNFs)

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Open Jour.al of Ther.py and r.habilitation 2024年第1期12卷 61-69页

作者： Jaden A. Silver.Sean r. Silver Samueli School of Engineer.ng University of California Los Angeles USA

Back.r.und: Self-car. task. or.activities of daily living (ADL)’s per.or.ance ar. often disr.pted after.an older.adult sustains an injur. or.illness, which can be a deter.ining factor.for.dischar.e placement after.hospitalization, or.it can deter.ine the level of assistance r.quir.d after.dischar.e fr.m a sk.lled nur.ing facility (SNF). We believe that compr.hensive r.habilitation can impr.ve a patient’s over.ll functioning during their.shor. ter. stay in SNFs. The pur.ose of this study is to deter.ine if an individual’s level of independence impr.ved after.admission to a sk.lled nur.ing facility and pr.cur.ment of r.habilitation ser.ices. Methods: This study r.tr.spectively r.viewed 4612 nur.ing home patients in Califor.ia who under.ent r.habilitative ser.ices at sk.lled nur.ing facilities to deter.ine how the patients r.sponded to their.envir.nments, ther.py inter.entions, and any other.additional suppor.ive measur.s. The r.cor.s of patients who wer. admitted for.shor.-ter. r.habilitation wer. r.viewed in a blinded fashion, look.ng specifically at Section GG of the Minimum Data Set (MDS). Self-Car. Section GG scor.s r.cor.ed by r.habilitative staff pr.vide objective data and measur. patients’ levels of assistance that wer. r.quir.d. Each activity is scor.d fr.m 1, being completely dependent, to 6, being entir.ly independent, with var.ing levels of assistance with scor.s in between. The admission scor.s ver.us the dischar.e scor.s can be compar.d to deter.ine if a patient impr.ved their.level of functioning upon dischar.e. r.sults: Utilizing the Pear.on’s cor.elation coefficient, a str.ng cor.elation of impr.vement in ADL per.or.ance on Section GG between the admission and dischar.e scor.s was identified, implying significant impr.vement in functional independence upon dischar.e. The aver.ge per.ent impr.vement for.Managed Car. patients was ~35.4% and ~39.4% for.Medicar. patients. Conclusions: The r.sults suppor. the benefits of r.habilitation ser.ices in sk.lled n

关键词： Activities of Daily Living Sk.lled Nur.ing Facilities r.habilitation Independent Living

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Tigr.s, Euphr.tes, and Shatt Al-Ar.b r.ver.System: Histor.c and Moder. Attempts to Manage and r.stor. Ir.q’s Lifeline

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Open Jour.al of Soil Science 2024年第1期14卷 28-63页

作者： k.nneth r.y Olson David r. Speidel College of Agr.cultur.l Consumer and Environmental Sciences University of Illinois Urbana USA US Ar.y Ir.q Mosul Iraq For.ign Agr.cultur.l Ser.ice Mahmudiyah Iraq For.ign Agr.cultur.l Ser.ice Washington D.C. USA

In Ir.q, the pr.ncipal r.ver. ar. the Tigr.s, Shatt Al-Ar.b and Euphr.tes. Fr.m their.headwater.sour.es in the mountains of easter. Tür.iye, these r.ver. descend thr.ugh valleys and gor.es and flow into the uplands of Syr.a and nor.her. and centr.l alluvial plain of Ir.q. The Euphr.tes and Tigr.s r.ver. confluence to for. the Shatt Al-Ar.b r.ver.at Al-Qur.ah which flows into the Per.ian Gulf. Fr.m sour.es in the Zagr.s Mountains other.tr.butar.es join the Tigr.s fr.m the east. The Tigr.s and Euphr.tes r.ver. flow in a southeaster. dir.ction thr.ugh the centr.l plain and dischar.e into the Mesopotamian Mar.hes, which include per.anent mar.hes, lak.s, and r.par.an habitat. The r.ver. and their.tr.butar.es dr.in an ar.a of 879,790 k.2 which includes almost the entir. ar.a of Ir.q as well as land in Syr.a, Tür.iye, k.wait and Ir.n. The r.gion has histor.cal impor.ance as par. of the Fer.ile Cr.scent r.gion and wher. Mesopotamian civilization fir.t emer.ed. The post war.r.constr.ction effor.s in the Yusifiyah township, an impor.ant food pr.duction r.gion for.Baghdad, illustr.te the impor.ance of these water.r.sour.es. In addition, the advent of soil tunnels by Ir.qi insur.ents within the r.ver.ne cor.idor. will mak. r.constr.ction of this r.sour.e mor. complex. The pr.mar. objectives of this study ar. to assess lessons lear.ed, manage, and r.stor. the Tigr.s, Euphr.tes, and Shatt Al-Ar.b r.ver.system lifeline in Ir.q.

关键词： Mesopotamian Shatt Al-Ar.b Ir.q Tigr.s Euphr.tes Baghdad Soil Tunnels Yusifiyah

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In vivo and in vitr. study of r.sor.able magnesium wir.s for.medical implants:Mg purity,sur.ace quality,Zn alloying and polymer.coating

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Jour.al of Magnesium and Alloys 2024年第6期12卷 2472-2488页

作者： k.Tesar.J.Luňáck.vá M.Jex M.Žaloudk.vá r.Vr.ová M.Bar.oš P.k.ein L.Vištejnová J.Dušk.vá E.Filová Z.Suchar.a M.Steiner.vá S.Habr.k.Balík.A.Singh Depar.ment of Mater.als Faculty of Nuclear Sciences and Physical EngineeringCzech Technical University in PragueTrojanova 13Prague 12000Czech Republic Institute of Physics Czech Academy of SciencesNa Slovance 2Prague 18221Czech Republic Institute of Dental Medicine First Faculty of MedicineCharles University and General University Hospital in PragueKaterinská32Prague 12801Czech Republic Depar.ment of Physics Faculty of Nuclear Sciences and Physical EngineeringCzech Technical University in PragueBrehová7Prague 11519Czech Republic Depar.ment of Composites and Car.on Mater.als Institute of Rock Structure and MechanicsCzech Academy of SciencesV Holešovickách 41Prague 18209Czech Republic Institute of Anatomy First Faculty of MedicineCharles UniversityU Nemocnice 3Prague 12800Czech Republic Biomedical Center Faculty of Medicine in PilsenCharles UniversityAlej Svobody 76Pilsen 32300Czech Republic Depar.ment of Pathological Physiology Faculty of Medicine in PilsenCharles UniversityAlej Svobody 7632300 PilsenCzech Republic Depar.ment of Histology and Embr.ology Faculty of Medicine in PilsenCharles UniversityAlej Svobody 7632300 PilsenCzech Republic Institute of Pathology First Faculty of MedicineCharles University and General University Hospital in PragueStudnickova 2Prague 12800Czech Republic Depar.ment of Biomater.als and Tissue Engineer.ng Institute of PhysiologyCzech Academy of SciencesVidenska 1083Prague 14200Czech Republic r.sear.h Center.for.Str.ctur.l Mater.als National Institute for Materials Science1-2-1 SengenTsukuba 305-0047Japan

Magnesium is an excellent mater.al in ter.s of biocompatibility and its cor.osion pr.ducts can ser.e as an active sour.e for.new bone ***,localized cor.osion and H_(2)gener.tion limit the potential of Mg-based *** low-alloyed Mg-Zn wir.s can str.ngly r.duce pr.blems with lar.e H_(2)bubbles and impr.ve the mechanical pr.per.ies consider.bly while maintaining excellent long-ter. *** pick.ing and a polymer.coating can be effectively used to lower.the r.te of in vivo *** this wor.,micr.str.ctur.l,mechanical,and in vitr. char.cter.zation of 250μm and 300μm extr.ded wir.s made fr.m ultr.-pur. Mg,commer.ially pur. Mg,Mg-0.15Zn,Mg-0.4Zn and Mg-1Zn was ***,Mg-0.4Zn wir.s together.with a var.ant coated with a copolymer.of L-lactide andε-capr.lactone wer. tested in vivo on ar.ificially damaged Wistar.r.t *** on the obser.ed Mg-induced osteogenesis,polymer.coated Mg wir.s with a small addition of Zn ar. a per.pective mater.al for.bone-suppor. applications,such as cer.lage and fixation wir.s.

关键词： Magnesium r.sor.able Mg wir. Mg-Zn implant degr.dation Biocompatibility study Zn gr.in boundar. segr.gation

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EXPEr.MENTAL AND NUMEr.CAL ANALYSIS OF LAMINAr.AND LOW TUr.ULENT FLOW DISTr.BUTIONS IN INLET DIVIDING HEADEr.OF SHELL AND TUBE HEAT EXCHANGEr

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Jour.al of Hydr.dynamics 2010年第4期22卷 494-502页

作者： k.NNAN k. r.Dr.MOOr.HY r. Depar.ment of Pr.duction Engineer.ng PSG College of Technology

Flow distr.bution header. play a major.r.le in heat *** selection of header.diameter.br.nch pipe diameter.br.nch pipe spacing *** based on the designer.s exper.ence and gener.l guide *** pr.per.selection of the header.dimensions will yield unifor. flow distr.bution in heat exchanger.,which in tur. will enhance the heat exchanger.*** this wor.,the flow distr.bution in br.nch pipes and the pr.ssur. var.ation acr.ss the br.nch pipes in laminar.and low tur.ulence r.gion is studied with two models of the inlet dividing *** the numer.cal analysis has been applied,its inability to pr.dict the no flow condition thr.ugh the br.nch pipes is *** r.sults ar. pr.sented in the for. of flow r.te r.tio thr.ugh br.nch pipes and nondimensional coefficients acr.ss br.nch pipes which ar. useful to apply the existing mathematical models for.the pr.sent exper.mental setup.

关键词： shell and tube heat exchanger inlet dividing header unifor. flow distr.bution exper.mental setups numer.cal analysis

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