混合式海洋温差能利用系统的理论研究.pdf

1、天津大学硕士学位论文混合式海洋温差能利用系统的理论研究姓名：刘奕晴申请学位级别：硕士专业：工程热物理指导教师：王迅20040101ABSTRACTOceanthermalenergyisoneofcleanandrenewableenergyTheoceanthermalenergyconversion(OTEC)systemCangenerateelectricityandfreshwaterandthecoldseawatercan

2、beusedascoldSOUrCeinanairconditionsystemTheexploitationofoceal]thermalenergyresourcesnotonlyCanalleviatethepressureofenergySOUrCesinourcountrybutalsocanadjusttheenergysourcestructurewithoutpollutionThispaperstudiestheint

3、egratedOTECcyclesystemTheprincipalcontentsforresearcharesummarizedasfollowsOnthebasisofcomparisonofopencycle，closed—cycleandintegratedcycle，thispaperchoosetheintegratedOTECcycleastheobjectofresearchTheintegratedOTECsyste

4、mconsistsofgeneratingpowersystemanddesalinationsystemThispaperdesignsorselectequipments，thenbuildstheexperimentplatformAccordingtotheexperimentplatform，thispaperestablishesmathematicalmodelBycalculating，thispaperanalyses

5、theproblemsasfollows：(1)Theinfluenceofthewormwater’StemperatUreonthesystem(2)Theinfluenceofthecoldwater’Stemperatureonthesystem(3)Theinfluenceoftheseawater’Sflowonthesystem(4)Theinfluenceoftheevaporationtemperatureandcon

6、densationtemperatureonthesystemandtheinfluenceoftheammoniaflowonthesystem(5)Thesyntheticalinfluenceofseveralfactorsonthesystem(6)TheinfluenceofwormseawatertemperatureandflowonthedesalinationsystemBystudying，thecorrespond

7、ingrelationsofeveryparameterareobtainedinthispaperTheyarethechangingtrendsofgrossefficiencyofsystem，thegrosspower，thenetpower，thetotalefficiencywhenthewormseawatertemperatureorthecoldseawatertemperaturechangesThechanging

8、trendsofgrossefficiencyofsystemandthetotalefficiencyarealsoobtainedwhenthetemperatureofevaporationortemperatureofcondensationchangesIntheseawaterdesalinationsystemtherelationsoftheflashtemperatureandtheflashratio，themass

9、offreshwaterandthemassofWOrmseawaterarealsobeeducedTheresearchwillguidethenextstepexperimentandbetechnicalpreparationfortheresearchofOTECinOUrcountryKeywords：oceanthermalenergyconversion，generateelectricityseawaterdesali