對環(huán)境影響的冷凝熱回收系統(tǒng)在空調(diào)制冷機熵的評價畢業(yè)設計英文資料翻譯

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)制冷機熵的評價(1、中南大學能源科學與工程學院，長沙，湖南410083，中國；2、土木工程，湖南工業(yè)大學，株洲，湖南412008中學，中國)熵的評價，我們開發(fā)了一個新的參數(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有力的方法冷凝熱，與最大的訓練誤差--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；二明艙熱熵評價；支持向量機；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主要的氣體，導致城市的溫室效應。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)的冷負荷，控制—蘇爾提高的優(yōu)點冷凝換熱的研究進展，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算方法這是進行復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—冷藏機組。最小二乘支持向量機方法將被用來確定所需的對熵的評價參數(shù)。1、針對復合材料的環(huán)境影響熵指標的冷凝熱針對復合材料的環(huán)境影響熵指標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)。主要污染指標是隨著環(huán)境的消耗量能源和余熱和氣體量。自上世紀80年代以來，“熵”的概念已被廣泛應用于研究許多功能系統(tǒng)。其中一個原因是用系統(tǒng)空調(diào)制冷機組?；鹩檬窍到y(tǒng)為它產(chǎn)生變化的潛在達到與環(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，信息論可逆計算相關(guān)。用損失凡；是溫度時，系統(tǒng)與環(huán)境的平衡環(huán)境；S是熵的變化關(guān)系(1)是計算的依據(jù)的資源浪費和污染了蘇爾·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，恢復系統(tǒng)是在與環(huán)境的平衡。的在冷凝熱回收火用等價系統(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系統(tǒng)是指圖。它應該是唯一的，只有一部分能用由冷凝器回收系統(tǒng)的使用。休息會設置在周圍。類似的討論，我們可以得出如下降低公式：w2、在復合環(huán)境影響評價冷凝熱熵冷凝熱的影響對周圍環(huán)境恢復系統(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)