熱濕地區(qū)空調新風的液體除濕技術研究.pdf

1、廣州大學碩士學位論文熱濕地區(qū)空調新風的液體除濕技術研究姓名：張燕申請學位級別：碩士專業(yè)：供熱、供燃氣、通風及空調工程指導教師：丁云飛20060529ABSTRACTABSTRACTThefreshaircoolingloadinhotandhumidareaisanalyzedTheresultsshowthatabout879percentoffreshaircoolingloadislatentload，andenergyconsu

2、mptionfordehumidifyingismorethanthatforcoolinginfreshairhandlingTherefore，thefreshairdehumidificationtechniqueplaysanimportantpartintheenergyconsumptionforfreshairhandlingLiquiddesiccantdehumidificationisarising，energyef

3、ficientandenvironmentalprotectiveairdehumidificationtechniqueTheoreticalanalysisandexperimentalstudyontheperformanceofliquiddesiccantdehumidificationtechniqueforhandlingfreshairinhotandhumidareahasbeeninvestigatedinthist

4、hesisLiquiddesiccantphysicalproperties，dehumidifierperformanceanddehumidifierthermodynamicsanalysisarestudiedBasedonthedynamicmethod，experimentalsetupformeasuringvaporpressureofliquiddesiccantissetup，andvaporpressureofCa

5、Cl2andLiClmixedsolutionindifferentproportionismeasuredBysyntheticallyanalyzingvaporpressureandcostofmixedsolution，a50％CaCl250％LIClmixedsolutionisfoundtobeabothgoodperformanceandlowpriceliquiddesiccantTheperformanceoffin—

6、tubeforminternallycooleddehumidifierinhotandhumidconditionsistestedusingthismixedsolutionasliquiddesiccantTheresultsshowthatitcansatisfyfleshairhandlinginhotandhumidareaForexample，whensolutionandairmassflowratioismoretha

7、n166，theoutletairhumiditycontentCanreachthedesigningvalue958g／kg，intheconditionthatfreshairloadstheindoorhumidloadTheexergyanalysismodelofliquiddesiccantdehumidifierisdevelopedandtheexergyefficiencyofdehumidifierunderdif

8、ferentstatesisanalyzedTheresultsshowthatthemoretheimpulsionofheatandmasstransferis，themoreexergylossiscausedandthesmallertheexergyefficiencyisTooptimizethesystemexergyefficiency，theNTUaandNTUwareanalyzedMaximumofsystemex

9、ergyefficiencyis66％whenNTUaandNTUware08and3respectivelyBytheoreticalandexperimentalstudyitisconcludedthattheliquiddesiccantdehumidificationtechniquecanloadthefleshairhumidload，andcanbeusedforfleshairdehumidificationinhot