基于matlab水温优化模型设计.doc

《基于matlab水温优化模型设计.doc》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。

1、基于matlab水温优化模型设计　　【Abstract】Thisarticledescribesasimplebathtemperaturemodeldesign.First，alistofmathematicalphysicsequationsandcontinuousN-Sequationandmomentumequationareconsistingofconvection-diffusionequationtosolvethebathfluidconvection-diffusionpr

2、oblems.ThencalculatedbyMATLABsimulationsoftwareisusedtoanalyzesimulationresultsandverifytherationalityofthedesign，soitprovidesthebasisforthewatertemperature.　　【Keywords】Convection；TheLinearRegressionEquation；WaterTemperatureModel　　Watertemperatureopt

3、imizationmodelbasedonmatlab　　XuZhen1，XuZhenghua1*，PengJian2，TanKai3　　1.InstitutionofMechanicalEngineering，UniversityoftheSouthofChina，421000，Hengyang，China　　1.InstitutionofMathematics，UniversityoftheSouthofChina，421000，Hengyang，China　　2.Institutionof

4、ComputerScienceandTechnology，UniversityoftheSouthofChina，421000，Hengyang，China　　3.InstitutionofNuclearScienceandTechnology，UniversityoftheSouthofChina，421000，Hengyang，China　　Introduction　　Inthisarticle，bathtub，notwithauxiliaryheatingsysteminsulation，

5、butitisjustasimpletank.Whenapersonisinthebath，inordertomaintainthetemperatureofthebathandtomakepeoplefeeladegreeofcomfort，faucetwillcontinuetoincreaseacertainamountofhotwaterbath.Whenthewaterbathreachesitscapacity，theexcesswaterwilloverflowthroughthe

6、gutter.Inordertomaintainaconstanttemperature，acertainamountofhotwaterisaddedcontinuously.Supposingthebathalreadyfilledwithhotwaterandconvectiondominatingdiffusionatthistime，abathwatertemperaturemodelperformancecanbeshowedbyatemperatureandtimecurvevar

7、iationprovesbyconvectiondiffusionequationandthemethodoffiniteelementmethod[1].　　1、Convectionanalysisofbathwater　　1.1ConvectiveHeatTransferConditionsHypothesis　　a-thefluidisacontinuousmedium；b-thefluidisincompressibleNewtonianone；c-allobjectparameters

8、areconstant；d-thevariablesinvolvedarealldifferent；e-bathwallsareadiabatic，namely，theheatwillbediffusedonlybythedirectcontactwiththesurroundingenvironmentofthesurface；f-cross-sectionalsizeofthebathinthedirectionofverticalflowmaintainsthesame.　　1.2Symb