呼和浩特地區(qū)太陽能集熱器光熱性能實驗研究.pdf

1、（題目：呼和浩特地區(qū)太陽能集熱器光熱性能實驗研究目：呼和浩特地區(qū)太陽能集熱器光熱性能實驗研究英文題目：英文題目：ExperimentalstudyonlightheatperfmanceofsolarcollectinHohhot研究生：后尚研究生：后尚學(xué)科名稱：熱能工程學(xué)科名稱：熱能工程指導(dǎo)教師：田瑞指導(dǎo)教師：田瑞教授教授二○○七年六月二○○七年六月碩士學(xué)位論文碩士學(xué)位論文分類號:學(xué)校代碼:10128分類號:學(xué)校代碼:10128UDC

2、:學(xué)號:20041088學(xué)號:20041088AbstractAccdingtotherelatedtheyofsolarradiationinviewofseveralexistingsolarradiationmodelsthesolarradiationonhizontalplaneoninclinedplaneondifferentconditionswascalculatedanalyzedbyusingthesoftware

3、ofMATLAB.ThevaluescalculatedbyHOTTELmodelarebetteragreewiththatcalculatedbytheASHRAEmodelinspringsummerbutthevaluescalculatedbyHOTTELmodelareverydifferenttothatcalculatedbytheASHRAEmodelinautumnwinter.Thevaluesofsolarrad

4、iationinthedistrictofHohhotcalculatedbyboththeHOTTELmodeltheASHRAEmodelarebetteragreementwiththemeasuredvaluesinspringsummer.ButthevaluescalculatedbytheHOTTELmodelarebetterthanthatcalculatedbyASHRAEmodelinautumnwinterthe

5、erroftheHOTTELmodelislessthan5%itissuitablefcomputationdesignofsolarproject.TheHOTTELmodelcannotonlyfecastlocalsolarradiationbutalsoofferreferencestoadjacentdistrict’ssolarradiation.Basedonthebackgroundoftreatingbittersa

6、ltwaterinthewestofChinaproducingultrapurewaterthemembranedistillationsystempoweredbysolarisproposed.Indertousingtheallglassevacuatedtubeswhichisahighefficiencyheatabsbingelementinsolarpoweredmembranedistillationsystematt

7、hesametimetoovercometheshtcomingofittheglassevacuatedsolarcollecttubewithanedheatpipeisadoptedinthispaperwhichintegratesallglassevacuatedtubeswithheatpipetechnology.Theacteristicstructureofthiscollecttubeallglassevacuate

8、dcollecttubesisintroduced.inthecomparisonsofdailyaverageefficiencyinstantaneousefficiencyindifferentsolarradiationdifferenttiltangledifferentweatherconditionsaverageheatlosscoefficientbyexperiment.Theresultsshowthattheda

9、ilyaverageefficiencyofthiscollecttubeishigherthanallglassevacuatedsolarcollecttube’saverageheatlosscoefficientislowerthanallglassevacuatedsolarcollecttube’sinstantaneousefficiencyishigherthanallglassevacuatedsolarcollect

10、tube’stheirinstantaneousefficiencyhavethesametrend.Inpracticethiscollecttubehassmallheatcapacitystartupquicklyappropriateantifreezingcapability.Itcanensurethesolarmembranedistillationsystemrunningpressureresistantsafelys

11、teady.Theseresearchwkhaslaidtheexperimentalfoundationftheheatingsystemoptimizeddesigntheexperimentalstudyofsolarpoweredmembranedistillationsystem.Keywds:Solarradiationmodel；Ｇlassevacuatedcollecttube；edＨeatpipe；Ｈeatperfma