建筑热能通风空调
建築熱能通風空調
건축열능통풍공조
BUILDING ENERGY & ENVIRONMENT
2012年
6期
1-4
,共4页
李峥嵘%陶求华%胡玲周%陆袁
李崢嶸%陶求華%鬍玲週%陸袁
리쟁영%도구화%호령주%륙원
外卷帘%光热分析%综合能耗%Energy-plus
外捲簾%光熱分析%綜閤能耗%Energy-plus
외권렴%광열분석%종합능모%Energy-plus
external roller%day-lighting and thermal analysis%overall energy consumption%Energy-plus
为分析上海地区建筑外窗遮阳的采光、得热特性,本文建立上海地区遮阳建筑模拟分析模型,利用Energy-plus软件,分析不同透光、隔热性能的外遮阳卷帘对建筑各朝向房间的太阳辐射得热和建筑采光的影响;最后,分析了6种不同性能的外遮阳卷帘对各朝向照明能耗和空调能耗的影响;结果表明,东、南、西三个朝向采用外遮阳卷帘可以减小照明和空调综合能耗;而北向房间由于其太阳直射和散射的分布特点使得不同性能的遮阳卷帘下照明、空调综合能耗有增有减,其中使用中反射率中透过率卷帘的节能效果最明显;而使用低透过率的卷帘会使得房间综合能耗增加,尤其是低反射率低透过率的卷帘比无遮阳时多耗能12.3%。
為分析上海地區建築外窗遮暘的採光、得熱特性,本文建立上海地區遮暘建築模擬分析模型,利用Energy-plus軟件,分析不同透光、隔熱性能的外遮暘捲簾對建築各朝嚮房間的太暘輻射得熱和建築採光的影響;最後,分析瞭6種不同性能的外遮暘捲簾對各朝嚮照明能耗和空調能耗的影響;結果錶明,東、南、西三箇朝嚮採用外遮暘捲簾可以減小照明和空調綜閤能耗;而北嚮房間由于其太暘直射和散射的分佈特點使得不同性能的遮暘捲簾下照明、空調綜閤能耗有增有減,其中使用中反射率中透過率捲簾的節能效果最明顯;而使用低透過率的捲簾會使得房間綜閤能耗增加,尤其是低反射率低透過率的捲簾比無遮暘時多耗能12.3%。
위분석상해지구건축외창차양적채광、득열특성,본문건립상해지구차양건축모의분석모형,이용Energy-plus연건,분석불동투광、격열성능적외차양권렴대건축각조향방간적태양복사득열화건축채광적영향;최후,분석료6충불동성능적외차양권렴대각조향조명능모화공조능모적영향;결과표명,동、남、서삼개조향채용외차양권렴가이감소조명화공조종합능모;이북향방간유우기태양직사화산사적분포특점사득불동성능적차양권렴하조명、공조종합능모유증유감,기중사용중반사솔중투과솔권렴적절능효과최명현;이사용저투과솔적권렴회사득방간종합능모증가,우기시저반사솔저투과솔적권렴비무차양시다모능12.3%。
To analyze the characteristics of day-lighting and heat gain of shaded external window in Shanghai, the simulated building model is established to analysis the impact of external roller on solar radiation heat gain and architectural lighting with software Energy-plus; Finally, the Energy-plus software was used to predict the energy consumption of a representative office module in order to evaluate the overall energy performance of both lighting and air-conditioning when employing external roller on the south, north, east and west oriented facades; The results show that, the use of external roller blind can reduce overall energy consumption of lighting and air conditioning in east, south and west rooms; however, overall energy consumption in the north increases or decreases with the properties of the roller, due to the distribution characteristics of the direct and diffuse solar radiation, the using of external roller of medium-reflectivity and medium-transmittance is most energy-saving; the use of low-transmittance roller will increase the overall energy consumption, energy-consuming is 12.3% higher than bare window when the low-reflectivity and low-transmittance roller is used.