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Lon.-term econ.mic s.n.0}tivity an.lys.s.of light duty un.ergroun. min.n. vehicles.by power s.urce

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In.ern.tion.l Journ.l of Min.n. s.ien.e an. Techn.logy 2017年第3期27卷 567-571页

作者： s.hatz Richard s. n.eto An.on.o Lvov s.rguei n. The EMs.En.rgy In.0}itute College of Earth and Mineral Engineering The Pennsylvania State University State College PA 16802 USA Departmen. of En.rgy an. Min.ral En.in.erin. College of Earth and Mineral Engineering The Pennsylvania State University State College PA 16802 USA Departmen. of Materials.s.ien.e an. En.in.erin. College of Earth and Mineral Engineering The Pennsylvania State University State College PA 16802 USA

LHD's.are expen.0}ve vehicles. therefore, it is.importan. to accurately defin. the fin.n.ial con.0}quen.es.as.ociated with the in.es.men. of purchas.n. the min.n. equipmen.. This.s.udy con.en.rates.on.lon.term in.remen.al an. s.n.0}tivity an.lys.s.to determin. whether it is.feas.ble to in.orporate curren. battery techn.logy in.o thes. machin.s. When.reven.e was.taken.in.o accoun., decreas.n. the amoun. of haulage in.battery operated equipmen. by 5% or 200 kg per h amoun.s.to a $4.0 × 10~4 los. of profit per year. On.average it was.foun. that us.n. battery operated equipmen. gen.rated $9.5 × 10~4 more in.in.ome an.ually, reducin. the payback period from s.ven.to two years.to pay back the a.dition.l $1.0 × 10~5 in.es.men. of buyin. battery powered equipmen. over cheaper dies.l equipmen.. Due to the es.imated 5% in.reas. in.capital, it was.obs.rved that electric vehicles.mus. pos.es. a lifetime that is.a min.mum of on. year lon.er than.that of dies.l equipmen..

关键词： s.n.0}tivity an.lys.s Un.ergroun. min.n. vehicles Battery power Battery min.n. equipmen. Econ.mic evaluation

Optimization.of thermoacous.ic refrigerator us.n. res.on.0} s.rface methodology

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Journ.l of Hydrodyn.mics 2013年第1期25卷 72-82页

作者： HARIHARAn.n. M. s.VAs.An.UGAM P. KAs.HURIREn.An.s. Departmen. of Chemical En.in.erin. National Institute of Technology Cen.re for Cryogen.c Techn.logy Indian Institute of Science

Thermoacous.ic refrigerator （TAR） con.erts.acous.ic waves.in.o heat without an. movin. parts. The s.udy pres.n.ed here aims.to optimize the parameters.like frequen.y, s.ack pos.tion. s.ack len.th, an. plate s.acin. in.olvin. in.des.gn.n. TAR us.n. the Res.on.0} s.rface Methodology （Rs.）. A mathematical model is.developed us.n. the Rs. bas.d on.the res.lts.obtain.d from DeltaEC s.ftware. For des.red temperature differen.e of 40 K, optimized parameters.s.gges.ed by the Rs. are the frequen.y 254 Hz, s.ack pos.tion.0.108 m, s.ack len.th 0.08 m, an. plate s.acin. 0.0005 m. The experimen.s.were con.ucted with optimized parameters.an. s.mulation.0}were performed us.n. the Des.gn.En.iron.en. for Low-amplitude ThermoAcous.ic En.rgy Con.ers.on.（DeltaEC） which s.owed s.milar res.lts.

关键词： Des.gn.En.iron.en. for Low-amplitude ThermoAcous.ic En.rgy Con.ers.on.(DeltaEC) optimization Res.on.0} s.rface Methodology (Rs.) temperature differen.e thermoacous.ic refrigerator (TAR)

Multi-wavelen.th erbium-doped fiber las.r us.n. four-wave mixin. effect in.doped fiber

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Chin.s. Optics.Letters 2011年第6期9卷 80-81页

作者： n. s. s.ahabuddin.Z. Yus.ff H. Ahmad s. W. Harun Departmen. of Electrical En.in.erin. University of Malaya Faculty of En.in.erin. Multimedia University Photon.cs.Res.arch Cen.er University of Malaya

We demon.0}rate a multi-wavelen.th erbium-doped fiber las.r （EDFL） us.n. erbium gain.an. four-wave mixin. （FWM） effect in.a piece of erbium-doped fiber （EDF） with high erbium ion.con.en.ration. The EDF has.a pump abs.rption.rate of 24.6 dB/m at 979 n. an. is.bi-direction.lly pumped by 980-n. las.r diodes. FWM effect redis.ributes.the en.rgy of differen. os.illatin. lin.s.an. caus.s.multi-wavelen.th operation. The las.r gen.rates.more than.22 lin.s.of optical comb with a lin. s.acin. of approximately 0.10 n. at the 1569-n. region.us.n. on.y 1.5-m-lon. EDF.

关键词： EDF FWM Multi-wavelen.th erbium-doped fiber las.r us.n. four-wave mixin. effect in.doped fiber len.th wave

Heat tran.0}er an. en.ropy gen.ration.an.lys.s.of n.n.n.wton.an.fluid flow through vertical microchan.el with con.ective boun.ary con.3}ion

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Applied Mathematics.an. Mechan.cs.En.lis. Edition. 2019年第9期40卷 1285-1300页

作者： M. MADHU n. s. s.As.IKUMAR B. MAHAn.HEs. B. J. GIREEs.A n. KIs.An Departmen. of s.udies.an. Res.arch in.Mathematics Kuvempu University Shankaraghatta 577451 India Departmen. of Mathematics Christ Deemed to be University Bangalore 560029 India Departmen. of Mathematics Osmania University Telangana 500007 India

The en.ropy gen.ration.an. heat tran.0}er characteris.ics.of magn.tohydrodyn.mic (MHD) third-grade fluid flow through a vertical porous.microchan.el with a con.ective boun.ary con.4}ion.are an.lyzed. En.ropy gen.ration.due to flow of MHD n.n.n.wton.an.third-grade fluid within.a microchan.el an. temperature-depen.en. vis.os.ty is.s.udied us.n. the en.ropy gen.ration.rate an. Vogel's.model. The equation.0}des.ribin. flow an. heat tran.0}ort alon. with boun.ary con.4}ion.0}are firs. made dimen.0}on.es. us.n. proper n.n.dimen.0}on.l tran.0}ormation.0}an. then.s.lved n.merically via the fin.te elemen. method (FEM). An.appropriate comparis.n.is.made with the previous.y publis.ed res.lts.in.the literature as.a limitin. cas. of the con.0}dered problem. The comparis.n.con.irms.excellen. agreemen.. The effects.of the Gras.of n.mber, the Hartman. n.mber, the Biot n.mber, the expon.n.ial s.ace-an. thermal-depen.en. heat s.urce (Es.s.THs. parameters. an. the vis.ous.dis.ipation.parameter on.the temperature an. velocity are s.udied an. pres.n.ed graphically. The en.ropy gen.ration.an. the Bejan.n.mber are als. calculated. From the comprehen.0}ve parametric s.udy, it is.recogn.zed that the production.of en.ropy can.be improved with con.ective heatin. an. vis.ous.dis.ipation.as.ects. It is.als. foun. that the Es.s.as.ect domin.tes.the THs.as.ect.

关键词： microchan.el en.ropy gen.ration Bejan n.mber third-grade fluid magn.tic field

COMPUTATIOn.OF RETURn.FLOWs.DUE TO n.VIGATIOn.TRAFFICs.In.REs.RICTED WATERWAYs

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In.ern.tion.l Journ.l of s.dimen. Res.arch 2006年第4期21卷 249-260页

作者： B. s. MAZUMDER s. K. DAs.s. n. DAs In.ian.s.atis.ical In.0}itute Kolkata-700 108 IndiaProf. In.ern.tion.l In.0}itute of In.ormation.Techn.logy Pune India Prof. As.is. Res. Officer Central Water and Power Research Station Pune-411 024 India

The paper deals.with the developmen. of an.empirical model to compute the return.flow due to the movemen. of n.vigation.traffics.in.res.ricted waterway when.the s.eed of the n.vigation.traffic is.un.er s.b-critical ran.e. The velocity profile of the return.flow is.modelled, where the fun.tion.l depen.en.e with res.ect to ambien. flow, prin.ipal dimen.0}on.0}of the ves.el, wetted cros.-s.ction.l area of the river, width an. average depth of the river, an. the lateral dis.an.e of the ves.el from the ban. are implicitly con.0}dered. This.model has.been.validated with the obs.rved data collected from the four s.ecific s.tes. s.ch as.Kamps.ille, Apple River Is.an., Goos. Is.an. an. Clarks.Ferry of Illin.is.River durin. barge-tow movemen.. The pres.n. model s.ows.s.gn.fican. improvemen. of return.flow prediction.in.comparis.n.to earlier empirical res.lts. This.model has.als. the ability to determin. the locus.of zero velocity poin..

关键词： Return.flow n.vigation.traffic Empirical model Res.ricted waterway Barge-tow Zero velocity poin. Froude n.mber

Quan.itative Mobility s.ectrum An.lys.s.for Determin.tion.of Electron.an. Magn.to Tran.0}ort Properties.of Te-Doped Gas.

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Chin.s. Phys.cs.Letters 2005年第9期22卷 2363-2366页

作者： s. Acar M. Kas.p B. Y. Is.k s. Oezcelik n. Tugluoglu s. Karaden.z Departmen. of Phys.cs Faculty of Science and Arts University of Gazi Teknikokullar 06500 Ankara Turkey Departmen. of Materials.Res.arch Ankara Nuclear Research and Training Center 06100 Bes.vler Ankara Turkey

Res.s.ivity, magn.tores.s.ivity an. Hall effect meas.remen.s.in.n.type Te-doped Gas. grown.by the liquid en.aps.led Czochrals.i techn.que are carried out as.fun.tion.0}of temperature （35-350 K） an. magn.tic field （0-1.35 T）. The power law model is.us.d to explain.the temperature-depen.en. res.s.ivity. The magn.tic-field-depen.en. data are an.lys.d us.n. the quan.itative mobility s.ectrum an.lys.s.techn.que. The effect of in.ividual ban. parameters.（n., n., μL, μr, p an. μp） on.both the electron.an. magn.to tran.0}orts.have been.dis.us.ed. The EL - Er en.rgy s.paration.between.the L an. con.uction.ban. edges.is.als. derived.

关键词： n.TYPE GAs. GALLIUM An.IMOn.DE MAGn.TOTRAn.0}ORT CHARACTERIZATIOn COn.UCTIOn.BAn. HALL MAGn.TOREs.s.An.E DEPEn.En.E

A holis.ic decis.on.s.pport tool for reman.facturin.： en.-of-life （EOL） s.rategy plan.in.

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Advan.es.in.Man.facturin. 2016年第3期4卷 189-201页

作者： s. s. Yan. n. n.s. s. K. On. A. Y. C. n.e n.s.Graduate s.hool for In.egrative s.ien.es.an. En.in.erin. National University of Singapore 28 MedicalDrive Singapore 117456 Singapore Golis.n. In.0}itute for s.s.ain.bility Rochester Institute of Technology 111 Lomb Memorial Drive RochesterNY 14623 USA Departmen. of Mechan.cal En.in.erin. Faculty of Engineering National University of Singapore 9Engineering Drive 1 Singapore 117576 Singapore

Reman.facturin. is.a key en.bler for s.s.ain.ble production.due to its.effectiven.s. in.clos.n. the loop on.material flows. exten.in. product life cycle an. reducin. production.was.e an. emis.ion. In.this.paper, a holis.ic decis.on.s.pport tool to facilitate the product en.-of-life （EOL） s.rategy plan.in., s.ecifically us.n. reman.factur- in. as.a key s.rategy is.pres.n.ed. The propos.d model in.orporates.checklis. methods.to evaluate the viability of con.uctin. reman.factufin. for a product an. its.compo- n.n.s. An.optimization.model for determin.n. the Pareto s.t of optimal EOL s.rategies.that corres.on. to maximum econ.mic profit an. min.mum en.iron.en.al impact is.pres.n.ed. s.n.e determin.tion.of this.Pareto s.t via en.- meration.of all EOL s.rategies.is.prohibitively time-con. s.min., even.for a product with a s.all n.mber of compon.n.s. gen.tic algorithm （GA）, s.ecifically n.0}A-II has.been.utilized to achieve rapid calculation.of the s.t of optimum EOL s.rategies. This.n.0}A-II method permits.exten.0}ve s.n.0}tivity an.lys.s.to un.ers.an. thoroughly the impact of s.tuation.l variables. s.ch as.revers. logis.ic cos., techn.logy an. replacemen. part availability, etc., on.the EOL decis.on.makin., i.e., Pareto fron., an. thus.leadin. to improved s.rategy plan.in. an. better product des.gn. The cas. s.udy in.olvin. EOL treatmen. of two types.of des.top phon.s.is.des.ribed to illus.rate the utility of the propos.d methodology.

关键词： s.s.ain.ble man.facturin. - Reman.facturin. Recyclin. - En.-of-life (EOL) Decis.on.makin. model

s.udies.of ultras.n.c dehydration.efficien.y

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Journ.l of Zhejian. Un.vers.ty-s.ien.e A(Applied Phys.cs.& En.in.erin.) 2011年第4期12卷 247-254页

作者： Vladimir n. KHMELEV An.rey V. s.ALUn.V Roman.V. BARs.KOV Den.s.s. ABRAMEn.O An.rey n. LEBEDEV Biys. Techn.logical In.0}itute (Bran.h) Altai s.ate Techn.cal Un.vers.ty

The aim of this.in.es.igation.was.to defin. the effectiven.s. of n.n.con.act dryin. us.n. ultras.n.c vibration.0} Dis. radiators.were us.d for carryin. out experimen.s. an. a s.ecial dryin. chamber was.des.gn.d to provide res.n.n. amplification.of ultras.n.c vibration.0}(from 130 to 150 dB). Dryin. of gin.0}n. an. other vegetables.demon.0}rated that the application.of ultras.n.c vibration.0}reduced power in.uts.by 20% in.comparis.n.with con.ective dryin.. It als. led to a decreas. of 6% in.fin.l mois.ure con.en., if the duration.of dryin. was.con.0}an.. The level of in.en.0}fication.of ultras.n.c dryin. was.high (up to 50 g for 1 kg of dryin. material), which helped to lower the temperature of the dryin. agen. an. improve the quality of the dried products.

关键词： Dryin. Ultras.un. Vibration.s.s.em Dryin. chamber Proces.in. (treatmen.) of agricultural products

A Fuzzy Logic Bas.d s.pervis.ry Hierarchical Con.rol s.heme for Real Time Pres.ure Con.rol

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In.ern.tion.l Journ.l of Automation.an. computin. 2009年第1期6卷 88-96页

作者： n. Kan.garaj P. s.vas.an.ugam s. Paramas.vam Departmen. of Chemical En.in.erin. National Institute of Technology Es.B En.in.erin. s.rvices.Ltd.

This.paper des.ribes.a s.pervis.ry hierarchical fuzzy con.roller （s.FC） for regulatin. pres.ure in.a real-time pilot pres.ure con.rol s.s.em. The in.ut s.alin. factor tun.n. of a direct expert con.roller is.made us.n. the error an. proces. in.ut parameters.in.a clos.d loop s.s.em in.order to obtain.better con.roller performan.e for s.t-poin. chan.e an. load dis.urban.es. This.on.lin. tun.n. method reduces.operator in.olvemen. an. en.an.es.the con.roller performan.e to a wide operatin. ran.e. The hierarchical con.rol s.heme con.0}s.s.of an.in.elligen. upper level s.pervis.ry fuzzy con.roller an. a lower level direct fuzzy con.roller. The upper level con.roller provides.a mechan.s. to the main.goal of the s.s.em an. the lower level con.roller delivers.the s.lution.0}to a particular s.tuation. The con.rol algorithm for the propos.d s.heme has.been.developed an. tes.ed us.n. an.ARM7 microcon.roller-bas.d embedded target board for a n.n.in.ar pres.ure proces. havin. dead time. To demon.0}rate the effectiven.s., the res.lts.of the propos.d hierarchical con.roller, fuzzy con.roller an. con.en.ion.l proportion.l-in.egral （PI） con.roller are an.lyzed. The res.lts.prove that the s.FC performan.e is.better in.terms.of s.ability an. robus.n.s. than.the con.en.ion.l con.rol methods.

关键词： Pres.ure con.rol s.pervis.ry hierarchical fuzzy con.roller (s.FC) fuzzy con.roller ARM7 proces.or embedded con.roller