太陽(yáng)能煙囪海水綜合系統(tǒng)中間壁冷凝換熱機(jī)理的研究.pdf

1、救尬匾曲⑧天洋大薯中國(guó)近代第一所大學(xué)碩士學(xué)位論文■_n■K嘎■0H|一■曩■●●____學(xué)科專業(yè)：絲堂王猩作者姓名：王僮塹指導(dǎo)教師：王=壬救撞天津大學(xué)研究生院2006年1月ABSTRACTAimingateliminatingtheshortagesofsolarchimneySolardesalinationandanvironmeotalrequirementbeingconsideredcombinedsystemsutilizi

2、ngseawatcrbysolarchimneytechnologywereputforwardfirstlyThentheoreticalanalysesweredonetoevaluatethefeasibilitiesoftechnologyandeconomyFinallycondenserofcombinedsystemswasdesignedandthetheoreticalwatefoutputWaSprovedtruly

3、ThemechanismofindirectheatexchangingandcondensationwasmainlystudiedonAnindirectexperimentalcondensersystemWassetupforverticalsmoothtubeandfintubeindifferentconditionsoftemperaturesandvelocities，toobtaindata011temperature

4、distributiontherelationshipoftemperaturewithairvelocitytheheightofsolarchimneytheheatcollectingandtheeffectsofnoncondensablegases，thecondensationabilityofforcedfintubeThentwotheorymedalsofsmoothtubetheattenuationcoeffici

5、entmodelanddiffusionmodel，weremadeconsideringtheinfluenceofnoncondansablegasesconcentrationinterfaceshearingforcesdiversitiesofparametersandtheReynoldsnumberofcondensatefilmPerformanceevaluationresultsinmcatcthatthecombi

6、nedsystemcanproduce75005ton／(m2‘a(chǎn))water835ton／(m2a)salt11lkWh／(m2。a)windpowerandO，291—l，b／(m2‘a(chǎn))waterpoweratthechimneyheightof200mTheairflowinthesaturatedhotaircontrolstheheatexchangingprocessandthewatercollectingvelocit

7、yForsmoothtubetheoptimumcondensationOCCllrs缸thecriticalwindvelocitythehighercollectingtemperatureandthewavecrestofthee氐cdvecondensatione銜ciencyandalSOtemperaturedistributions1hcoroticalwindvelocityformulaWaSgivenGoodqual

8、ityofthefintubeonheatexchangingWaSconfirmed，butnotforcondensatewatercollectingTwononiterativetheoreticalmodelsCanbecalculatedfromtheexperimentaldatadirectlywhichsuitablewellforthewatercollectionandtheheatexchangingofsatu

9、ratedhotairandtheliquidfilmresistancec雅beneglectedItisbelievedthatexperimentalortheoreticalresultsinthispaperwillprovidebasicdataOractasreferenceforfutuxelargescalecombinedsystemTheapplicationofthisstylecombinedsystemwil