低溫空氣源co2熱泵熱水器系統(tǒng)特性研究

1、分類號(hào)分類號(hào)ZHONGYUANUNIVERSITYOFTECHNOLOGY碩士學(xué)位論文低溫空氣源低溫空氣源CO2熱泵熱水器系統(tǒng)特性研究熱泵熱水器系統(tǒng)特性研究呂新剛呂新剛碩士專業(yè)學(xué)位類別（領(lǐng)域）：碩士專業(yè)學(xué)位類別（領(lǐng)域）：工程碩士（建筑與土木工程）工程碩士（建筑與土木工程）導(dǎo)師姓名、職稱導(dǎo)師姓名、職稱:張超張超教授教授賈豐良賈豐良高級(jí)工程師高級(jí)工程師20162016年5月碩士學(xué)位論文題目：碩士學(xué)位論文題目：低溫空氣源低溫空氣源CO2CO2

2、熱泵熱水器系統(tǒng)特性研究熱泵熱水器系統(tǒng)特性研究研究生姓名：研究生姓名：呂新剛呂新剛中原工學(xué)院中原工學(xué)院萬方數(shù)據(jù)中原工學(xué)院碩士學(xué)位論文ABSTRACTIISTUDYONTHEPERFMANCEOFLOWAMBIENTCO2AIRSOURCEHEATPUMPSYSTEMMaj:ArchitectureCivilEngineeringStudent:LvXingangSupervis:ProfessZhangChaoAssociateProfe

3、ssJiaFengliangAbstractAtpresentenvironmentalproblemisincreasinglyprominentGlobalwarmingozonedepletionareconcernedbymemepeople.Withthedevelopmentofeconomypeopleputfwardhigherrequirementsfthermalcomft.ASHPshavebeenwidelyus

4、edintheareaofYangtzeRiverwiththefeaturesofhighefficiencyenergysavingsafetyenvironmentalprotectioneasytouse.ButtherearesometroublesinitspopularizationincoldregionsofnthernChina.Mainreasonsinclude:whentheASHPisatalowambien

5、ttemperatureitsheatperfmanceCOPareataverylowlevelthecompressisverydifficulttostartthecompressshutsdowntoprotectitselffromthehighexhausttemperaturetheevapatfrostsfrequentlyinhighhuityareasitwillreducetheheatperfmanceagain

6、.CO2isakindofnaturalrefrigerantwhichisnotconsumedbytheozonetheglobalwarmingpotentialisverylow(ODP=0GWP=1).Thetwostagecompressionwithaircompensatinginthedlesystemcanefficientlysolvetheproblemofthetoolargecompressionratiot

7、heexhaustoftoohightemperaturetheflashofdleaircanalsoreducethedegreeofundercoolingoftherefrigerantattheentranceofevapatreducethedegreeofsuperheatoftherefrigerantatentranceofthehigherpressurecompresstherefitcanfurtherlyinc