對環(huán)境影響的冷凝熱回收系統(tǒng)在空調(diào)制冷機(jī)熵的評價(jià)畢業(yè)設(shè)計(jì)英文資料翻譯

2015年3月8日TutorxEntropyAssessmentonEnvironmentalInfluenceofCondenseHeatinRecoverySysteminAir-ConditioningRefrigeratingMachinehangshaHunan410083，China；China)ofcondenseheatrecoverysystemontheenvironment．AimingatthedamageoftheontheLeastSquaresSupportVectorMachinemethod．Bysimulation，thenumericalexperimentsshowsthattheLeastSquaresSupportVectorMachinethedamageentropyofthecondenseheat，withthelargesttrainingerrorbeing一0．025(therelativeerrorbeing一3．56％)，andthebiggesttesterrorbeing0．015(therelativeerrorbeing2．5％)．evaluation；LS-SVMCLCnumber：X57Documentcode：Aincrementoftheairtemperaturearoundthebuildingwilladdtheinternalwhiletheworkingefficiencyoftheair-conditioningsystemwillfalldownduetotheincrementofthecondensingtemperature．Inaddition，thevarianceofsirdensitybetweentheoutdoorandtheindoorwilladdtheheatpressure，whichisincloserelationtoarrangementofthenatureandthefreshventilators．byintroducingacondenseheatrecoverysysteminair-conditioningrefrigeratingmachineset．Itgreatlyimprovedthemeritofthecondenseheat．FortherecenttopreciselyevaluatethedamagedegreeoftherecyclingcondenseheattothekCounds，Dong，DouglasGretarsson，Han，Wu,Zhou．Inthispaper，wearegoingtoproposeacomputationalmethodfortheentropywhichisintroducedtoassessthecompositeinfluenceofthecondenseheatontheenvironmentfromthecondenseheatrecoverysysteminair-conditioningrefrigeratingmachineset．Theleastsquaressupportvectormachinemethodwillbeusedtoidentifythedesiredparameterfortheevaluationofentropy．1EntropyIndexesfortheCompositeEnvironmentalInfluencesofCondenseHeatandbiologicalcharacteristicsoftheenvironmentnearthecondenseheatrecoverysystem．Mainpollutionindexesareinvolvedwiththeconsumptionamountoftheenvironmentalenergyandthequantityofthewasteheatandgases．Since1980s，theconcept“entropy”hasbeenpliedextensivelytoinvestigatethefunctionsofmanysystems．Oneofthereasonsisthatentropycaninthispaperistotheentropyofstatefunctioninthermodynamicstomthecondenseheatrecoverysystemintheair—conditioningrefrigeratingmachineset．ingiszero．Energyisneverdestroyedduringaprocess，itchangesfromoneformtoanother(SeeFirstLawofThermodynamics)．Incontrast，exergyaccountsfortheirreversibilityofaprocessduetoincreasesinentropy(SeeSecondLawofoftemperature．Thisdestructionisproportionaltotheentropyincreaseofthesystemtogetherwithitssurroundings．Thedestroyedexergyhasbeencalledanergy．Foranisothermalprocess，egergyandenergyareinterchangeableterms，andthereisnoanergy．energyitdependsonthestateofboththesystemandenvironment．TheitsphySicaldefinition，ininformationtheoryrelatedtoreversiblecomputing．exergycanberepresentedas：Where，Ilisthelossofexergy；Toisthetemperaturewhenthesystemisinequilibriumwiththeenvironment；△Sisthechangeofentropy．givensurroundingcondition，bydefinition，theexergyofthecondenseheatrecoverysystemcanbegivenbyngmtrecoverysystemisthemolnumberoff—thcompositionandpiisthechemicalenvironment.Theexergyequivalenceinthecondenseheatrecoverysystemcanbewrittenas：gyofthesystem；IListheirreversiblelostexergyofthesystem；I-isthewasteheatexergyofthesystem．Forclarity，exergyanalysisforthecondenseheatrecoverysystemisreferredtoFig．1．howtogettheexergyofthecostenergyinthecondenseheatrecoveryrswmaterialresuitfromtheinequivalencebetweenthesystemandthesystem．Sincetheexergyofasystemisascalingindexofsystemawayfromthesurrounding，theremustexistexergypossessedbytheenergy．WithitGmbeseenthat:Itshouldbenotedthatonlyapartofexergycanbeusedbythecondenseheatrecoverysystem．Therestwillbedisposedtothesurrounding．Withsimilardiscussion，wecanobtainthefollowingformula：Where，S-denotestheentropyofthepollutantsgeneratedbythecondenseheatrecoverysystem．2EntropyAssessmentontheCompositeEnvironmentalInflnencesofCondenseHeatcanbeexpressedbythetotaldifferenceofentropyofthesurroundingwhichistheenergyconsumedbythecondenseheatrecoverysystem，andanotheristhepollutionentropyofthepollutantsemittedfromtherecoverysystem．Thefirstpartconsistsoftheentropygeneratedbyexergylossanalysisthat．ldenotesthepollutionentropy，whichiscalculatedby(5)．whosemaincomponentsareharmfultohealth．Butdifferentcomponentshavedistinctbadeffectsontheenvironment，sowhenwecalculatethepollutants．Inmathematicalexpression，itreadsWhere，akisthecoefficientofdamageforthek-thkindofcomponentofthepollutants；Sw,kisdenotesthepollutionentropyforthek-thkindofcomponentofthepollutants，whichisdeterminedby(5)．whichisusedtogloballyassessthebadeffectsoftherecoverysystemonthetheentropyofcompositeenvironmentinfluences．Then，SycanbeexpressedbyWhereC1andC2鋤屯theinfluencettenasrespectively．3AlgorithmforParameterIdentificationinEntropyAssessmentconsumptionandtheecologicaldamageowetoenvironmentalpollution，whilethisndifficulttoobtainapreciseevaluationofβ．Inthispaper，wearegoingtoapplytheleastsquaressupportvectormachinesmethod(IS-SVM)todeterminethevalueofβ．nofaquadraticprogrammingproblemwithequalityconstraints．Thelattercanbeeasilysolvedbytransformingitintolinearequations．Specificallyspeaking，themodelinLS-SVMisasfollows：Where，φisthenonlinearmappingfrominputspacetooutputspace；ξiisthestatisticalerrorofthesampling．ItiseasytogetthecorrespondingLagrangianfunctionofoptimizationproblem(10)below．Fromdualitytheory[12]，Problem(10)isequivalenttosolutionofthefollowinglinearequations：SinceitisnecessarytochooseregularizationparameterCandkernelparametersqforLS-SVM，wenowmoveonselectingtheparameterduple(C，q)bygridsearchmethod，then，bycrossverification，wefindtheminimalvaluethattheabovemethodcangetridofover-fitting．Indetail．thedevelopedalgorithmisasfollows．Step1．Choosetheinitial(C，q)．Wegenerate(C，q)byexponentialgrowthStep2．For(C，q)，implementthecrossverificationa8follows．isthetestingset．Step2．3ItisrepeatedStimestoselectdifferentverificationsets．Thegeneralizationperformanceofthissetisevaluatedbythefollowingformula：upverificationsetisthesampleofverificationsetyuistheavailablevectorparameters[a．b]whenE-GiisusedastrainingRemark：Gridsearchingmethodisasimpleanddirectwayforthechoicesof(C，q)，andthismethodcanbeeasilyimplementedbyparallelcomputation．4ParameteridentificationbysimulationInthissection，wewillimplementthedevelopedalgorithmtoindentifythengwaterthequalityofexhaustgasesthetemperatureofexhaustgas⑤theamountofrefrigerantleakage．entropies，i．e．wemusttransformthemintosomedimensionlessclassifiedas①forwardindex(thehigher，thebetter)；②reveresindex(thelower．thebetter)；③intervalindex(valuecenteredatsomepoint);④Gradeindex.Next，wearegoingtogeneratethelearningsamplesbyLS-SVM．byX1，thatofthecoolingwaterdenotedbyX2．thequalityofexhaustoftherefrigerantleakage，denotedbyX5．Theoutputisthecomposite21groupsofnormalizedlearningsamplings．InTab．1,allinputsandoutputsareInthelastpartofthissection，wemakeparameteridentificationfor8bysimulation．isk(xi．xj)=(xi，xj))isusedtotraintheMinimalSupportVectorMachine．Fig．3andFig．4aretheresultsofexperimentbysimulation.FromthesimulationresultsofFig．3andFig．4,itcanbeseenthatthelargestinthispaperisverypromising．clusionsofcondenseheatrecoverysystemontheenvironment．tobeoneofthepowerfulmethodstoidentifytheparametersoftherecoverysystem·Theexperimentalresultsshowthattheproposedmethodispromisinginenergyandenvironmentengineering.對環(huán)境影響的冷凝熱回收系統(tǒng)在空調(diào)制冷機(jī)熵的評價(jià)(1、中南大學(xué)能源科學(xué)與工程學(xué)院，長沙，湖南410083，中國；2、土木工程，湖南工業(yè)大學(xué)，株洲，湖南412008中學(xué)，中國)熵的評價(jià)，我們開發(fā)了一個(gè)新的參數(shù)的算法-----被稱作綜合影響系數(shù)，基于最小二乘支持向熵的強(qiáng)有力的方法冷凝熱，與最大的訓(xùn)練誤差--0.025(他的相對誤差)。和最大測試誤差(相對誤差2.5%)。關(guān)鍵詞：空調(diào)制冷機(jī)；二明艙熱熵評價(jià)；支持向量機(jī)；在夏季，從室外凝聚熱空氣處理在夏季，從室外凝聚熱空氣處理器是一個(gè)主要的氣體，導(dǎo)致城市的溫室效應(yīng)。從局部環(huán)熱環(huán)境建筑周圍的空氣。TEM·增量在建筑內(nèi)部溫度將增加空調(diào)系統(tǒng)的冷負(fù)荷，控制—蘇爾提高的優(yōu)點(diǎn)冷凝換熱的研究進(jìn)展，你可以看到廚師，東，道格拉斯，漢族，五洲和其中的參們將提出了一種熵的計(jì)算方法這是進(jìn)行復(fù)合材料的影響的凝結(jié)從環(huán)境熱冷凝熱回收系統(tǒng)在空調(diào)托—冷藏機(jī)組。最小二乘支持向量機(jī)方法將被用來確定所需的對熵的評價(jià)參數(shù)。1、針對復(fù)合材料的環(huán)境影響熵指標(biāo)的冷凝熱針對復(fù)合材料的環(huán)境影響熵指標(biāo)的冷凝熱從冷凝熱可降低污染了身體，靠近冷凝熱環(huán)特性回收系統(tǒng)。主要污染指標(biāo)是隨著環(huán)境的消耗量能源和余熱和氣體量。自上世紀(jì)80年代以來，“熵”的概念已被廣泛應(yīng)用于研究許多功能系統(tǒng)。其中一個(gè)原因是用系統(tǒng)空調(diào)制冷機(jī)組。火用是系統(tǒng)為它產(chǎn)生變化的潛在達(dá)到與環(huán)境的平衡。火用然后能源是可使用的。后系統(tǒng)與境無能為一個(gè)等溫過程，恩。能量和能量是可以互相轉(zhuǎn)化的條件，有沒有無能。技術(shù)與它的物理定義，信息論可逆計(jì)算相關(guān)。用損失凡；是溫度時(shí)，系統(tǒng)與環(huán)境的平衡環(huán)境；S是熵的變化關(guān)系(1)是計(jì)算的依據(jù)的資源浪費(fèi)和污染了蘇爾·熱帶。舍入的情況下，根據(jù)定義，對火用冷凝熱回收系統(tǒng)可由下式給出我我復(fù)系統(tǒng)與環(huán)境的平衡；V表示量；是在同一(1)；S是的冷凝熱回收系統(tǒng)的熵；鎳的組成PI勢時(shí)，恢復(fù)系統(tǒng)是在與環(huán)境的平衡。的在冷凝熱回收火用等價(jià)系統(tǒng)可以寫弱：其中，Iin包括資源和原材料—材料；我是系統(tǒng)的輸出火用；IL不可逆損失該系統(tǒng)的火用；Iw是余熱該系統(tǒng)的火用。為清楚起見，對冷凝熱的火用分析恢復(fù)系統(tǒng)是指圖。它應(yīng)該是唯一的，只有一部分能用由冷凝器回收系統(tǒng)的使用。休息會(huì)設(shè)置在周圍。類似的討論，我們可以得出如下降低公式：w2、在復(fù)合環(huán)境影響評價(jià)冷凝熱熵冷凝熱的影響對周圍環(huán)境恢復(fù)系統(tǒng)可以表示通過對周圍的熵總差異環(huán)境。這種差異含在這里，可以表示能量損失的熵，這是由(4)表示，與污染熵，這是由(5)的氣態(tài)污染注意對于不同種類的權(quán)重系數(shù)賠償引入的添加不同的污染物在熵的值。為組件類污染熵五的污染物，這是由(5)。與SGL和S定義在(6)