基于傳熱模型的中央空調(diào)系統(tǒng)綜合能效優(yōu)化.pdf

1、浙江大學(xué)碩士學(xué)位論文基于傳熱模型的中央空調(diào)系統(tǒng)綜合能效優(yōu)化姓名：凌飛申請學(xué)位級別：碩士專業(yè)：控制理論與控制工程指導(dǎo)教師：楊春節(jié)20120308Abstract_一一一l_——————————————————————————————————————————————一AbstractAtpresentinourcountrytheenergyconsumptionofairconditioningsystemhasoccupiedalarg

2、eproportioninthebuildingenergyconsumptionAndmostoftheairconditioningsystemsarealwaysatthepartloadinmostofthetimeInthisconditionthethermalefficiencyismuchlowerthantheratedcapacityefficiencywhichleadstoalargeamountofenergy

3、wastedSooptimizationonthecentralairconditioningsystemhasimportantsignificancetelieveenergydemandBecauseofthecentralairconditioningsystemsishugeandcomplexinordertealizetheenergysavingofcentralairconditioningsystemandeffic

4、ientoperation，optimizedcontroleffectonthepartisnotidealandtheentiresystemmustbeconsideredInviewoftheoveralloptimizationonthecentralairconditioningsystemisverylessandconsideringtheglobalviewpoint，energyefficiencyoptimizat

5、ionmethodbasedontheheattransfermodelofthecentralairconditioningsystemwasresearchedItishopedtobeableteducethetotalenergyconsumptionandefficientoperationTheinnovationandcontributionsofthisthesisareasfollows：1Asimplifiedhea

6、ttransfermodeloffancoilisestablishedforwetconditionBasedonawetdrytransformationmethod，thewetcoolingconditionwasconvertedtoanequivalentdrycoolingconditionofthefancoilEliminatetheeffectofoverallheattransfercoefficientfromd

7、ehumidifyingcoefficientAndthisalsoomittedthecalculationprocessofairpropertiesinwetconditions，didnotinvolvetheenthalpycalculationThentheheattransfermodelwassimplifiedthatcouldbedetermined?！畂nlybyseveralindependentvariable

8、sThesimulationresultsshowedthatthemodelhasgoodprecisionunderdifferentworkingconditions2TheoptimaloperationmodelofcentralairconditioningsystemwasestablishedTheoverallsystemenergyconsumptionwassetastheoptimizationtargetwhi

9、chexpressasthesumofenergyconsumptionofmaincomponentsOnthebasisofthisenergyconsumptionmodelofthemajorenergycomponentswassetupandtheanalysisofthefactorofenergyconsumptionwascarriedoutThentheoptimaloperationparametersandthe

10、rangeweredetermined3AccordingtothefeatureofoptimizationmodelanimprovedGeneticAlgorithmbasedoninterspeciescompetitionusingadaptivecrossovertechnologywaspresentedwhichisusedtotheoptimizationcalculationofthecentralaircondit