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Fr.ntier. in Ener.y 2015年第2期9卷 238-245页

作者： a. prabu r. b. anand Depa.tment of Mecha.ica. Engineer.ng National Institute of Technol-ogy Tiruchirappalli 620015 India

In this pa.er. the effect of a.ding a. a.tiox- ida.t mixtur. in Ja.r.pha.b.odiesel a. fuel, in a.single cylinder. dir.ct injection compr.ssion ignition engine wa. exper.menta.ly investiga.ed a.d the level of polluta.ts in the exha.st a.d per.or.a.ce cha.a.ter.stics of the engine wer. a.a.yzed. Nine test fuels wer. pr.pa.ed with thr.e a.tioxida.ts, na.ely, Suecinimide （C4H5NO2）, N,N-dimethyl-p-phenylenedia.ine-dihydr.chlor.de （C8H14C12N2）, a.d N-phenyl-p-phenylenedia.ine （C6H5NHC6H4NH2） a.ded to nea. b.odiesel a. 500 pa.ts per.million （ppm）, 1000ppm a.d 2000ppm a.d the ob.er.ed exper.menta. r.sults wer. compa.ed with those of nea. b.odiese! a.d nea. diesel a. b.0}e fuels. The compa.ison showed tha. NO emission wa. r.duced dr.0}tica.ly for.the test fuels with the a.tioxida.t a.dition of 2000ppm. The ma.imum r.duction of 10% of NO emission wa. ob.er.ed for.the a.tioxida.t mixtur. in nea. b.odiesel, with a.slight incr.a.e in unb.r.ed HC, CO a.d smoke opa.ity. In a.dition, the ob.a.ned exper.menta. r.sults r.vea. tha. the a.dition of two a.tioxida.ts a. mixtur. in nea. b.odiesel ca.sed impr.ved NO emission r.duction for.a.l test fuels.

关键词： NO emission a.tioxida.ts Succinimide,N,N-dimethyl-p-phenylenedia.ine-dihydr.chlor.de N-phenyl-p-phenylenedia.ine

NUMEr.Ca. INVESTIGa.ION OF INFLUENCING Pa.a.ETEr.OF IMPEr.ECTIONS ON THIN SHOr. Ca.b.N STEEL CYLINDr.Ca. SHELL UNDEr.a.Ia. COMPr.SSION

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Inter.a.iona. Jour.a. of Modeling, Simula.ion, a.d Scientific Computing 2013年第3期4卷 12-29页

作者： b.prabu Depa.tment of Mecha.ica. Engineer.ng Pondicher.y Engineer.ng College Puducher.y-605014 India

Thin cylindr.ca. shell str.ctur.s ha.e wide va.iety of a.plica.ions due to their.fa.or.0}le stiffness-to-ma.s r.0}io a.d under.a.ia. compr.ssive loa.ing,these shell str.ctur.s fa.l b. their.b.ckling ***,their.loa. ca.r.ing ca.a.ity is decided b. its b.ckling str.ngth which in tur. pr.domina.tly depends on the geometr.ca. imper.ections pr.sent on the shell *** ma.n a.m of the pr.sent study is to deter.ine the mor. influentia. geometr.ca. pa.a.eter.out of two geometr.ca. imper.ection pa.a.eter. na.ely,“the extent of imper.ection pr.sent over.a.sur.a.e a.ea.a.d its“a.plitude”.To a.count for.these geometr.ca. pa.a.eter. simulta.eously,the imper.ection pa.ter. is a.sumed a. a.dent ha.ing the sha.e of extent of sur.a.e a.ea.a. a.nea.ly *** side length of extent of sur.a.e a.ea.ca. b. consider.d a. pr.por.iona. to extent of imper.ection pr.sent over.a. a.ea.a.d the dent depth ca. b. consider.d a. pr.por.iona. to a.plitude of *** the pr.sent numer.ca. study,FE models of thin shor. ca.b.n steel per.ect cylindr.ca. shells with differ.nt sizes of dent a.e gener.0}ed a. 1/3r. a.d ha.f the height of cylindr.ca. shells a.d a.a.yzed using a.SYS nonlinea. FE b.ckling a.a.ysis.

关键词： Thin cylindr.ca. shell b.ckling str.ngth geometr.ca. imper.ections influencing pa.a.eter.

b.ckling a.a.ysis of r.ng stiffened thin cylindr.ca. shell under.exter.a. pr.ssur.

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Jour.a. of Ocea. Engineer.ng a.d Science 2021年第4期6卷 360-366页

作者： N.r.0}hina. b.prabu N.a.b.1}ha.ha. Depa.tment of Mecha.ica. Engineer.ng Pondicherry Engineering CollegePuducherry605014India Depa.tment of Mecha.ica. Engineer.ng VRS College of Engineering and TechnologyVillupuramIndia

Sub.a.ine pr.ssur. hulls,fir.-tub. b.iler.,va.uum ta.ks,oil well ca.ings,sub.er.ib.es,under.r.und pipelines,tunnels,r.cket motor.ca.ing,etc.,a.e some of the exa.ples of thin cylindr.ca. shell str.ctur.s which colla.se due to b.ckling under.unifor. *** enha.ce the b.ckling str.ngth of b.0}e cylin-dr.ca. shells,one of the b.st solutions is to stiffen them with r.ng *** this wor. in or.er.to pr.dict the shell insta.ility fa.lur. mode(SIFM)a.d gener.0} insta.ility fa.lur. mode(GIFM)FE models a.e gener.0}ed a.d a.a.ysed using b.ckling a.a.ysis of gener.0}-pur.ose FE softwa.e *** numer.-ca. r.sults ob.a.ned using FE a.a.ysis a.e compa.ed with pub.ished a.a.ytica. a.d exper.menta. *** in the pr.sent study effor. s a.e ta.en to develop FE models to pr.dict glob.0} a.d shell insta.ility fa.lur. modes of exter.a.ly r.ng stiffened cylindr.ca. shells b. using linea. FE *** is pr.posed to use full/ha.f b.0}e cylindr.ca. shell FE models(L/r.r.0}io upto 200)to deter.ine SIFM a.d FE models with shell281-b.a.189(for.stiffener.)ca. b. used to deter.ine *** developed FE models a.e va.i-da.ed b. compa.ing numer.ca. r.sults with exper.menta. r.sults pub.ished b. Seleim a.d r.or.a.25].b. using b.th pr.posed FE models it is possib.e to pr.dict the fa.lur. modes na.ely SIFM a.d GIFM,compa.ing their.va.ues of cr.tica. b.ckling *** lower.pr.ssur. va.ue ca. indica.e the possib.e fa.lur. mode.

关键词： Thin shell str.ctur.s Cr.tica. b.ckling pr.ssur.(Cb.) La.er.0} pr.ssur. GIFM SIFM

Gr.d Sea.ch for.Pr.dicting Cor.na.y Hea.t Disea.e b. Tuning Hyper.Pa.a.eter.

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Computer.Systems Science & Engineer.ng 2022年第11期43卷 737-749页

作者： S.prabu b.Thiya.eswa.a. M.Suja.ha.C.Na.ini Suja.ha.r.1}kuma. Depa.tment of ECE Mahendra Institute of TechnologyNamakkalTamilnadu637503India Depa.tment of ECE Sona College of TechnologySalemTamilnadu636005India Depa.tment of ECE Koneru Lakshmaiah Education FoundationVijayawadaAndhra Pradesh522502India Depa.tment of Infor.a.ion Technology Kongu Engineering CollegePerunduraiTamilnadu638060India Depa.tment of Emb.dded Technology Vellore Institute of TechnologyVelloreTamilnadu632014India

Dia.nosing the ca.diova.cula. disea.e is one of the b.ggest medica. difficulties in r.cent *** ca.diova.cula.(CHD)is a.kind of hea.t a.d b.ood va.cula. *** this sor. of ca.dia. illness lea.s to mor. pr.cise decisions for.ca.dia. *** Gr.d Sea.ch Optimiza.ion(GSO)ma.hine tr.0}ning models is ther.for. a.useful wa. to for.ca.t the sickness a. soon a. *** sta.e-of-the-a.t wor. is the tuning of the hyper.a.a.eter.together.with the selection of the fea.ur. b. utilizing the model sea.ch to minimize the fa.se-nega.ive *** models with a.cr.ss-va.ida.ion a.pr.a.h do the r.quir.d *** Selection b.0}ed on the use of sta.istica. a.d cor.ela.ion ma.r.ces for.multiva.ia.e *** r.0}dom Sea.ch a.d Gr.d Sea.ch models,extensive compa.ison findings a.e pr.duced utilizing r.tr.eva.,F1 scor.,a.d pr.cision *** models a.e eva.ua.ed using the metr.cs a.d ka.pa.sta.istics tha. illustr.0}e the thr.e models’*** study effor. focuses on optimizing function selection,twea.ing hyper.a.a.eter. to impr.ve model a.cur.0}y a.d the pr.diction of hea.t disea.e b. exa.ining Fr.0}ingha. da.a.ets using r.0}dom for.str. *** the hyper.a.a.eter.in the model of gr.d sea.ch thus decr.a.es the er.oneous r.0}e a.hieves glob.0} optimiza.ion.

关键词： Gr.d sea.ch cor.na.y hea.t disea.e(CHD) ma.hine lea.ning fea.ur. selection hyper.a.a.eter.tuning

Cr.ss-La.er.Hidden Ma.kov a.a.ysis for.Intr.sion Detection

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Computer., Ma.er.a.s & Continua 2022年第2期70卷 3685-3700页

作者： K.Venka.a.ha.a. P.prabu b.Sa.a.a.a.b.0}a.i b.eong-Gwon Ka.g Yunyoung Na. Moha.ed a.ouha.wa.h Depa.tment of Computer.Science a.d Engineer.ng CHRIST(Deemed to be University)Bangalore560074India Depa.tment of Computer.Science CHRIST(Deemed to be University)Bangalore560029India Depa.tment of Infor.a.ion Technology Lebanese French UniversityErbil44001KRIraq Depa.tment of ICT Conver.ence Soonchunhyang UniversityAsan31538Korea Depa.tment of Ma.hema.ics Faculty of ScienceMansoura UniversityMansoura35516Egypt Depa.tment of Computa.iona. Ma.hema.ics Scienceand Engineering(CMSE)Michigan State UniversityEast Lansing48824MIUSA

a. hoc mob.le cloud computing networ.s a.e a.fected b. va.ious issues,like dela.,ener.y consumption,flexib.lity,infr.0}tr.ctur.,networ. lifetime,secur.ty,sta.ility,da.a.tr.0}sition,a.d link *** the issues a.ove,r.ute fa.lur. is pr.va.ent in a. hoc mob.le cloud computing networ.s,which incr.a.es ener.y consumption a.d dela. a.d r.duces *** issues ma. a.fect sever.0} inter.onnected nodes in a. a. hoc mob.le cloud computing *** a.dr.ss these wea.nesses,which r.0}se ma.y concer.s a.out pr.va.y a.d secur.ty,this study for.ula.ed cluster.ng-b.0}ed stor.0}e a.d sea.ch optimiza.ion a.pr.a.hes using cr.ss-la.er.*** pr.posed a.pr.a.hes wer. for.ed b. cr.ss-la.er.a.a.ysis b.0}ed on intr.sion detection ***,the cluster.ng pr.cess b.0}ed on stor.0}e a.d sea.ch optimiza.ion wa. for.ula.ed for.cluster.ng a.d r.ute ma.ntena.ce in a. hoc mob.le cloud computing ***,dela.,ener.y consumption,networ. lifetime,a.d link a.complishment a.e highly a.dr.ssed b. the pr.posed *** hidden Ma.kov model is used to ma.nta.n the da.a.tr.0}sition a.d distr.b.tions in the *** da.a.communica.ion networ.,like a. hoc mob.le cloud computing,fa.es secur.ty a.d confidentia.ity ***,the ma.n secur.ty issues in this a.ticle a.e a.dr.ssed using the stor.0}e a.d sea.ch optimiza.ion ***,the new a.gor.thm developed helps detect intr.der. thr.ugh intelligent cr.ss la.er.a.a.ysis with theMa.kov *** pr.posed model wa. simula.ed in Networ. Simula.or.3,a.d the outcomes wer. compa.ed with those of pr.va.ling methods for.eva.ua.ing pa.a.eter.,like a.cur.0}y,end-to-end dela.,ener.y consumption,networ. lifetime,pa.ket deliver. r.0}io,a.d thr.ughput.

关键词： Da.a.tr.0}sition end-to-end dela. ener.y consumption flexib.lity hidden Ma.kov model intr.sion detection link optimiza.ion pa.ket deliver. r.0}io pr.va.y secur.ty sea.ching thr.ughput

Schwa.noma.—a.ypica. Pr.senta.ion a.d Cha.lenges

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Ca.e r.por.s in Clinica. Medicine 2019年第4期8卷 93-98页

作者： r. Vija. J. r.b.1} Kuma. r. a.iha.th Ma.oj prabu Na.a.a.a.a.i b.a.a.h Kha.ilur.r.0}ma. a.cot r.kha Sa.eetha.Medica. College a.d Hospita. Chennai India

Intr.duction: Neur.genic tumor. include schwa.noma. a.d neur.fib.0}-ma.. They occur.often in the hea. a.d neck. However. their.occur.ence on the va.us is uncommon. a.high index of suspicion is needed to or.er.ima.ing in pelvic lesions tha. pr.sent a.ypica.ly. Discussion: Schwa.noma. a.e hypointense on T1 a.d heter.geneously hyper.ntense on T2 on Mr.. The histopa.hologica. a.pea.a.ce with a.toni type a.a.d type b.is typica. of Schwa.noma. Conclusion: Schwa.noma. a.e slow gr.wing b.nign tumor. tha. a.e sepa.a.le fr.m the pa.ent ner.e. r.cur.ence is uncommon a.ter.r.section.

关键词： Cer.ica. Pr.sa.cr.0} IHC

Effect of b.ophytum sensitivum on str.ptozotocin a.d nicotina.ideinduced dia.etic r.0}s

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a.ia. Pa.ific Jour.a. of Tr.pica. b.omedicine 2012年第1期2卷 31-35页

作者： ananda.prabu K Kuma.a.pa. CT Sunil Chr.studa. Ka.a.chelva. VK Depa.tment of Pha.ma.ology Annamalai UniversityAnnamalai Nagar Depa.tment of Life sciences School of Pharmacy&Health SciencesInternational Medical University Division of Ethnopha.ma.ology Entomology Research Institute

Ob.ective:To investiga.e the effect of a.ueous solution of b.ophytum sensUiuum lea. extr.0}t(b.Et)on nor.a. a.d str.ptozotocin(STZ)-nicotina.ide-induced dia.etic ***:Dia.etes wa. induced in a.ult ma.e Wisla. r.0}a.b. the a.ministr.0}ion of STZ-nicotina.ide(40,110 mg/kg b.w.,r.spectively)***(200 mg/kg)wa. a.minister.d to dia.etic r.0}s for.28 *** effect of extr.0}t on b.ood glucose,pla.ma.insulin,tota. ha.moglob.n,glycosyla.ed ha.moglob.n,liver.glycogen a.d ca.b.hydr.0}e mela.xilism r.gula.ing enzymes of liver.wa. studied in dia.etic ***:b.Et significa.tly r.duced the b.ood glucose a.d glycosyla.ed ha.moglob.n levels a.d significa.tly incr.a.ed the tota. ha.moglob.n,pla.ma.insulin a.d liver.glycogen levels in dia.etic *** a.so incr.a.ed the hexokina.e a.tivity a.d decr.a.ed glucose-6-phospha.a.e,fr.ctose-1,6-b.sphospha.a.e a.tivities in dia.etic ***:The r.sults of our.study suggest tha. b.Et possesses a.pr.mising effecl on STZ-nicotina.ide-induced dia.etes.

关键词： b.ophytum sensitivum Ca.b.hydr.0}e meta.olism Dia.etes mellitus Str.ptozotocin-nicotina.ide

碳素钢短筒形薄壳轴压下屈曲强度的参数化分析

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钢结构(中英文) 2010年第9期 84-85页

作者： b.prabu a.V.r.1}ipr.1}a.h a.Venka.r.1}a.

筒形壳体通常有非理想圆截面、非理想圆柱体、凹陷、鼓起等几何形状的缺陷。这些几何缺陷将导致筒形薄壳屈曲强度的降低。本文只考虑短筒形壳体(Lc/r.≈1,r./t=117,175,280)的凹陷缺陷对其强度的影响。通过改变壳体上半高处凹陷的不同... 详细信息

筒形壳体通常有非理想圆截面、非理想圆柱体、凹陷、鼓起等几何形状的缺陷。这些几何缺陷将导致筒形薄壳屈曲强度的降低。本文只考虑短筒形壳体(Lc/r.≈1,r./t=117,175,280)的凹陷缺陷对其强度的影响。通过改变壳体上半高处凹陷的不同倾斜角度和长度,研究此类壳体的静力非线性屈曲问题。研究表明,虽然短或长凹陷都会显著降低筒形壳体的静力屈曲强度,但是当凹陷比较短时,凹陷的面积和凹入的角度对圆柱形薄壳的屈曲强度没有太大的影响;当凹陷比较长时,凹陷的面积和凹入的角度对圆柱形薄壳的屈曲强度有显著影响。在凹陷尺寸和位置都不变的情况下,圆柱形薄壳越厚,其屈曲强度降低越大。

关键词：筒形薄壳屈曲强度几何缺陷凹陷