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1、第3l卷第6期山東建筑大學(xué)學(xué)報Vo1.31No.62016正12月JOURNALOFSHANDONGJtANZHUUNIVERSITYDec.2016文章編號:1673—7644(2016)o6—0576—07地板輻射供冷系統(tǒng)建筑圍護(hù)結(jié)構(gòu)蓄熱特性分析張林華,梁莉,王偉,劉吉營(1.山東建筑大學(xué)熱能工程學(xué)院,山東濟南250101;2.可再生能源建筑利用技術(shù)教育部重點實驗室,山東濟南250101;3.山東省可再生能源建筑應(yīng)用技術(shù)重點實驗室,山東濟南250101)摘要:建筑節(jié)能是可持續(xù)發(fā)展戰(zhàn)略的重要內(nèi)容,而空
2、調(diào)系統(tǒng)是公共建筑節(jié)能的主要組成,文章圍繞建筑圍護(hù)結(jié)構(gòu)的蓄熱特性,以地板輻射供冷系統(tǒng)為研究對象,通過選取濟南市安泰動態(tài)節(jié)能示范樓內(nèi)三個典型空調(diào)房間,利用TRNSYS仿真模擬軟件建立地源熱泵地板輻射供冷模型,結(jié)合建筑控制平臺實測數(shù)據(jù),對建筑圍護(hù)結(jié)構(gòu)的室內(nèi)熱環(huán)境進(jìn)行研究,探索地板輻射供冷系統(tǒng)建筑圍護(hù)結(jié)構(gòu)蓄熱特性。結(jié)果表明:建筑西外墻對室內(nèi)熱環(huán)境的穩(wěn)定和舒適性影響最大;外墻對室外溫度波具有明顯的衰減特性和峰值延遲特性,良好的蓄熱特性有利于系統(tǒng)節(jié)能運行,維持室內(nèi)溫度;墻體的蓄熱性使得室溫波動較小,白天蓄熱有效地阻
3、止冷負(fù)荷的陡然增大,維持了正常工作時間人員的空調(diào)需求;14:00地板蓄冷量最低,室溫超過空調(diào)設(shè)計溫度,應(yīng)采取增大地板盤管供水流量或降低供水溫度的措施,降低室內(nèi)溫度,確保系統(tǒng)節(jié)能高效運行。關(guān)鍵詞:地板輻射供冷;蓄熱特性;建筑圍護(hù)結(jié)構(gòu);TRNSYS中圖分類號:TU83文獻(xiàn)標(biāo)識碼:APerformanceanalysisofthermalstoragecharacteristicforthebuildingenvelopeinaradiantfloorcoolingsystemZhangLinhua,Lian
4、gLi,WangWei,eta1.(1.SchoolofThermMEngineering,ShandongJianzhuUniversity,Jinan250101,China;2.KeyLaboratoryofRenewableEnergyUtilizationTechnologiesinBuilding,MinistryofEducation,Jinan250101,China;3.ShandongKeyLaboratoryofRenewableEnergyApplicationTechnolog
5、y,ShandongJianzhuUniversity,Jinan250101,China)Abstract:Thebuildingenergyefficiencyisthetoppriorityofsustainabledevelopmentstrategy,andtheairconditioningsystemisthemajorcomponentforthepublicbuildingenergysaving.Thispaperfocusesonthethermalpropertiesofbuil
6、dingenvelope,andthefloorradiantcoolingsystemischosenastheresearchobject.ThroughselectingthreetypicalairconditioningroomsfromanAntaeusenergy—savingdemonstrationbuildinginJinan,thispaperestablishesthefloorradiantdirectsupplycoolingsystemmodelbyusingTRNSYSs
7、imulationsoftware.Thisresearchstudiestheindoorthermalenvironmentandmainlyfocusesonthecharacteristicsofthermalstorageforthebuildingenvelopes,combinedwiththebuilding’Scontrolplatformdata.Theresultsshowthatwestwallofthebuildinghasagreateffectontheindoorther
8、malenvironment'sstabilityandcomfortable.Thewallhasobviousperformanceofattenuationandpeakdelayfortheoutdoortemperaturewave.Goodthermalstoragecharacteristicofexteriorwallisusefulforenergysavingoperationofsystemandmaintaining