1、各学习材料传热系数各学习材料传热系数袇膜层位置莅厚度莂传热系数莅遮阳系数蚄HtGain蚀玻璃结构芃Mm蚆W/m2K螀W/m2虿单层玻璃蒅6mmC螁无罿10mmC芆无螅12mmC羃无袁夹层玻璃螇3mmC+0.38PVB+3mmC羄无5mmC+0.76PVB+5mmC无5mmC+0.76PVB+6mmC无普通中空6mmC+6A+6mmC无6mmC+6Ar+6mmC无6mmC+9A+6mmC无6mmC+9Ar+6mmC无6mmC+12A+6mmC无6mmC+16A+6mmC无6mmC+12Ar+6mmC无6mmC+16Ar+6mmC无12mmC+12Ar+12mmc无双中空玻璃6mmC+6A+6mm
2、C+6A+6mmC无6mmC+6Ar+6mmC+6Ar+6mmC无6mmC+9A+6mmC+9A+6mmC无6mmC+9Ar+6mmC+9Ar+6mmC无6mmC+12Ar+6mmC+12Ar+6mmC无单Low-E中空玻璃6mmC+6A+6mmL0.163蒁5.8蒈5.818薅0.92膁630蚅9.9薂5.68蚁0.91艿612腿12.1肈5.604袅0.87莄570610薁6.1艿5.727薆0.9110.15.580.8657911.33.540.7448917.93.1090.82954817.92.8420.83054720.92.8350.83054720.92.6240.8315
3、4624.02.7000.83154527.92.6910.83154524.02.5320.83154527.92.5470.83154536.32.4500.83048229.92.1420.73047829.91.9020.73147835.91.8930.73147835.91.7120.73247741.91.6130.73247717.92.5160.7715066mmC+6Ar+6mmL0.166mmC+9A+6mmL0.166mmC+9Ar+6mmL0.166mmC+12A+6mmL0.166mmC+12Ar+6mmL0.166mmC+12Ar+6mmL0.0276mmC+12
4、Ar+6mmL0.0276mmC+12Ar+6mmL0.166mmC+16A+6mmL0.166mmC+16Ar+6mmL0.166mmC+16Ar+6mmL0.16双Low-E中空玻璃6mmL0.16+6A+6mmL0.166mmL0.16+6A+6mmL0.166mmL0.16+6Ar+6mmL0.166mmL0.16+9Ar+6mmL0.166mmL0.16+9A+6mmL0.166mmL0.16+9A+6mmL0.166mmL0.16+16A+6mmL0.166mmL0.16+16A+6mmL0.166mmL0.16+16Ar+6mmL0.166mmL0.16+12A+6mmL0.16
5、6mmL0.16+12A+6mmL0.166mmL0.027+12A+6mmL0.0276mmL0.027+12A+6mmL0.166mmL0.027+12Ar+6mmL0.0276mmL0.16+12Ar+6mmL0.166mmL0.027+12Ar+6mmL0.16玻璃317.92.0820.777320.92.0840.777320.91.7310.782324.01.8900.780324.01.6160.785323.91.3290.538223.91.3290.420224.01.6160.723327.91.9200.784227.91.6850.723327.91.6850.7
6、872、317.92.4240.6872、417.91.9190.6812、417.91.6450.6862、420.91.3970.6712、320.91.9640.6862、420.91.8380.6772、327.91.7890.6882、427.91.4930.6732、427.91.3240.6772、324.01.7610.6892、424.01.4920.6702、323.21.6140.4132、423.91.3190.4072、323.21.2980.4102、424.01.2970.6742、423.91.0900.450窗(包括透明幕墙、屋顶透明部分)的传热系数间隔层间隔
7、玻璃传热系层数Kb窗框(mm)气体2W/(mK)塑料507507507507508349279469508467508453431432434450433447435436448434273266268435263Kc2.582.7963.00铝合金中空玻空气PA隔热铝合金璃塑料122.60铝合金PA隔热铝合金塑料辐射率0.2562.80铝合金Low-E中空气PA隔热铝合金空玻璃(在线)92.20塑料3.694.383.183.332.342.473.384.132.703.092.442.633.474.172.973.162.092.13铝合金PA隔热铝合金塑料121.90铝合金PA隔热铝
8、合金塑料62.40铝合金PA隔热铝合金塑料9氩气1.80铝合金PA隔热铝合金塑料121.70铝合金PA隔热铝合金塑料辐射率空气1.80铝合金PA隔热铝合金0.15Low-E中12空玻璃塑料(离线)1.50氩气铝合金PA隔热铝合金塑料空气1.70铝合金双银PA隔热铝合金Low-E中12空玻璃塑料氩气1.40铝合金PA隔热铝合金2.993.82.512.791.902.763.632.262.622.262.303.173.92.662.931.821.842.683.562.182.561.731.792.603.502.112.501.821.842.683.562.182.561.581.6
9、72.453.381.942.391.731.792.603.502.112.501.501.602.373.321.862.32注:1Kb窗玻璃的传热系数,Kc窗的传热系数;2表玻璃性能数据取自有关研究报告及厂家的产品样本,窗框对窗传热系数的影响是根据窗框比及窗框和玻璃的计算传热系数通过计算得出的,供参考;附表各种玻璃的遮阳系数玻璃可见光(%)太阳能(%)玻璃玻璃遮阳颜色透射反射透射反射系数SC中空间隔层6mm无色791463120.81间隔层751458110.77玻璃无色12mm6612478.40.65蓝色着色中空玻璃绿色6512488.50.66茶色4610468.60.64灰色39
10、83880.54热反深绿色无色81612110.26反射绿色绿色4592660.420.15Low-E中空玻璃(离线)辐射率射颜中色蓝绿色空灰绿色玻璃现代绿色蓝色银灰色辐射率0.25Low-E中空玻璃(在线)无色绿色蓝绿色反蓝色射淡蓝颜色色银蓝色银灰色金色蓝绿4092460.40蓝绿492631140.46绿色46172890.44蓝绿401928110.44绿色482628130.44无色411733130.48无色482753210.69无色631648130.63绿色47152880.38蓝色50162980.37无色521433260.44绿色42111990.30绿色45192112
11、0.31无色572437300.50无色621638280.50无色463328400.37无色474126500.34无色402224450.32各种材料的导热系数导热系数与材料的组成结构、密度、含水率、温度等因素有关。非晶体结构、密度较低的材料,导热系数较小。材料的含水率、温度较低时,导热系数较小。通常把导热系数较低的材料称为保温材料,而把导热系数在0.05W/(m某k)度以下的材料称为高效保温材料。金属的热传导系数表:银429铜401金317铝237铁80锡67铅34.8diamond钻石2300ilver银429cooper铜401gold金317aluminum铝237物质温度导热系
12、数物质温度导热系数亚麻布500.09落叶松木00.13木屑500.05普通松木450.080.11海砂200.03杨木1000.1研碎软木200.04胶合板00.125压缩软木200.07纤维素00.46聚苯乙烯1000.08丝200.040.05硫化橡胶500.220.29炉渣500.84镍铝锰合金032.7硬质胶250.18青铜3032153白桦木300.15殷钢3011橡木200.17康铜3020.9雪松00.095黄铜2070183柏木200.1镍铬合金2022.3171普通冕玻璃201石棉00.160.37石英玻璃41.46纸120.060.13燧石玻璃320.795皮棉4.10.0
13、3重燧石玻璃12.50.78矿渣棉00.050.14精制玻璃120.9毡0.04汽油120.11蜡0.04凡士林120.184纸板0.14“天然气”油120.14皮革0.180.19甘油00.276冰2.22煤油1000.12新下的雪0.1蓖麻油5000.18填实了的雪0.21橄榄油00.165瓷1.05已烷00.152石蜡油0.123二氯乙烷0.147变压器油0.12890%硫酸0.354石油0.14醋酸18石蜡0.12硝基苯0.159柴油机燃油0.12二硫化碳0.144沥青0.699甲醇0.207玄武岩2.177四氯化碳0.106拌石水泥1.5三氯甲烷0.121花岗石2.683.35氨气某0.022丙铜0.177水蒸汽某0.02350.025重水蒸汽某0.072水0.54空气某0.024聚苯板0.04木工板0.1-0.2重水0.559硫化氢某0.013表2窗体材料导热系数窗框材料钢材铝合金PVCPA松木导热系数58.22030.160.230.17表3不同玻璃的传热系数玻璃类型玻璃结构(m)传热系数K-w/(m2-k)单层玻璃6.2双层中空玻璃5某9某53.265某12某53.11一层中空玻璃5某9某5某9某52.22-5某12某5某12某52.08Lhw-E中空玻璃5某12某51.71
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