10#內(nèi)表面最高溫度計(jì)算分析報(bào)告

內(nèi)表面最高溫度計(jì)算報(bào)告書第1頁(yè)共28頁(yè)10#內(nèi)表面最高溫度計(jì)算分析報(bào)告項(xiàng)目名稱：10#項(xiàng)目地點(diǎn)：設(shè)計(jì)人：校對(duì)人：審核人：審批人：設(shè)計(jì)單位：建設(shè)單位：設(shè)計(jì)日期：10#內(nèi)表面最高溫度計(jì)算分析報(bào)告書一、計(jì)算依據(jù)1.《建筑環(huán)境通用規(guī)范》GB55016-20212.《民用建筑熱工設(shè)計(jì)規(guī)范》GB50176-20163.《綠色建筑評(píng)價(jià)標(biāo)準(zhǔn)》GB/T50378-20194.《綠色建筑評(píng)價(jià)技術(shù)細(xì)則》二、指標(biāo)要求內(nèi)表面最高溫度計(jì)算標(biāo)準(zhǔn)依據(jù)主要為《綠色建筑評(píng)價(jià)標(biāo)準(zhǔn)》GB/T50378-2019和《民用建筑熱工設(shè)計(jì)規(guī)范》GB50176-2016、《建筑環(huán)境通用規(guī)范》GB55016-2021。1《綠色建筑評(píng)價(jià)標(biāo)準(zhǔn)》GB/T50378-2019條文要求《綠色建筑評(píng)價(jià)標(biāo)準(zhǔn)》GB/T50378-2019控制項(xiàng)中對(duì)圍護(hù)結(jié)構(gòu)內(nèi)表面最高溫度要求為：“5.1.7條屋頂和外墻隔熱性能應(yīng)滿足現(xiàn)行國(guó)家標(biāo)準(zhǔn)《民用建筑熱工設(shè)計(jì)規(guī)范》GB50176的要求?！?《民用建筑熱工設(shè)計(jì)規(guī)范》GB50176-2016和《建筑環(huán)境通用規(guī)范》GB55016-2021要求2.1外墻的要求外墻在給定兩側(cè)空氣溫度及變化規(guī)律的情況下，外墻內(nèi)表面最高溫度應(yīng)符合表1的要求：表1外墻內(nèi)表面最高溫度的限值房間類型自然通風(fēng)房間空調(diào)房間重質(zhì)圍護(hù)結(jié)構(gòu)（D≥2.5）輕質(zhì)圍護(hù)結(jié)構(gòu)（D＜2.5）內(nèi)表面最高溫度θi,max≤te,max≤ti+2≤ti+32.2屋頂?shù)囊笪蓓斣诮o定兩側(cè)空氣溫度及變化規(guī)律的情況下，屋頂內(nèi)表面最高溫度應(yīng)符合表2的要求：表2屋頂內(nèi)表面最高溫度的限值房間類型自然通風(fēng)房間空調(diào)房間重質(zhì)圍護(hù)結(jié)構(gòu)（D≥2.5）輕質(zhì)圍護(hù)結(jié)構(gòu)（D＜2.5）內(nèi)表面最高溫度θi,max≤te,max≤ti+2.5≤ti+3.5表中θi,max——圍護(hù)結(jié)構(gòu)內(nèi)表面最高溫度（℃），應(yīng)按《民用建筑熱工設(shè)計(jì)規(guī)范》附錄C3中的規(guī)定計(jì)算；te,max——累年日平均溫度最高日的最高溫度（℃）；ti——室內(nèi)空氣溫度（℃）。三、模擬概述1原理概要圍護(hù)結(jié)構(gòu)外墻和屋頂?shù)膫鳠徇^(guò)程，通常視為一維非穩(wěn)態(tài)無(wú)內(nèi)熱源的導(dǎo)熱問(wèn)題，計(jì)算方法采用數(shù)值分析法，計(jì)算方程如下。首先建立常物性、無(wú)內(nèi)熱源的一維非穩(wěn)態(tài)導(dǎo)熱的內(nèi)部微分方程，微分方程的求解可采用有限差分法，按下式計(jì)算：（1）數(shù)學(xué)模型：（2）初始條件：（3）邊界條件：式中：ρj，cj，λj——分別為第j層材料的密度、比熱和導(dǎo)熱系數(shù)；α0——室外空氣對(duì)流表面換熱系數(shù)，取19.0W/(m2·K)；α1——室內(nèi)空氣對(duì)流表面換熱系數(shù)，取8.7W/(m2·K)；T0(τ)——室外空氣綜合溫度，單位℃；T1(τ)——室內(nèi)空氣溫度，單位℃；按《民用建筑熱工設(shè)計(jì)規(guī)范》GB50176-2016第3.3.2條的規(guī)定取值；fj(x)——第j層初始溫度，單位℃；L——構(gòu)件總厚度，mm。（4）室外綜合溫度逐時(shí)值：式中：Te（τ）——室外空氣逐時(shí)溫度，單位℃，可按《民用建筑熱工設(shè)計(jì)規(guī)范》GB50176-2016附錄光盤中選取。ρs——外表面太陽(yáng)輻射吸收系數(shù)，可按《民用建筑熱工設(shè)計(jì)規(guī)范》GB50176-2016選取。I(τ)——表面法向太陽(yáng)總輻射強(qiáng)度（包括直射和散射），單位W/m2。可按《民用建筑熱工設(shè)計(jì)規(guī)范》GB50176-2016附錄光盤中選取；其次，對(duì)傳熱過(guò)程進(jìn)行數(shù)值求解。軟件采用有限差分法，通過(guò)建立節(jié)點(diǎn)的有限差分方程，采用迭代法對(duì)熱平衡微分方程及導(dǎo)熱微分方程進(jìn)行求解。2參數(shù)設(shè)置根據(jù)《民用建筑熱工設(shè)計(jì)規(guī)范》GB50176-2016、《建筑環(huán)境通用規(guī)范》GB55016-2021的條文及附錄要求，進(jìn)行邊界條件及計(jì)算參數(shù)的設(shè)置。2.1邊界條件1）外表面：第三類邊界條件，室外空氣逐時(shí)溫度按照本規(guī)范附錄B.0.1條的規(guī)定取值，對(duì)流換熱系數(shù)19.0W/(m2·K)；2）內(nèi)表面：第三類邊界條件，室內(nèi)空氣溫度按照本規(guī)范第3.3.2條的規(guī)定取值，對(duì)流換熱系數(shù)8.7W/(m2·K)；3）其它邊界：第二類邊界條件，熱流密度0W/m2；2.2溫度參數(shù)1）室內(nèi)溫度：26℃。按《民用建筑熱工設(shè)計(jì)規(guī)范》GB50176-2016第3.3.2條的規(guī)定取值。2）室外空氣逐時(shí)溫度及太陽(yáng)輻射，按《民用建筑熱工設(shè)計(jì)規(guī)范》GB50176-2016附錄A的備注選取。四、模擬分析本項(xiàng)目為計(jì)算重慶市區(qū)的內(nèi)表面最高溫度。1室內(nèi)外逐時(shí)溫度圖1室內(nèi)外空氣逐時(shí)溫度24小時(shí)曲線圖2太陽(yáng)總輻射照度表表3太陽(yáng)總輻射照度表（W/m2）時(shí)刻南東西北水平0123450.010.10--0.01--647.2867.1238.4430.2971.107135.94187.04100.9780.16209.208284.51387.93177.59143.45463.109466.55520.39245.31201.84781.3010595.54468.50294.94244.10994.1011591.95294.00294.00243.07981.2012479.41248.71378.36204.59789.9013346.89197.07372.37160.55565.8014251.13160.25332.82129.10404.2015170.52121.37271.5996.93273.701673.7259.27149.4247.00120.90171819202122233材料熱工參數(shù)五、計(jì)算結(jié)果1屋頂本項(xiàng)目屋面內(nèi)表面最高溫度的詳細(xì)計(jì)算過(guò)程如下所示：表4屋面主體層3材料構(gòu)造材料匯總表屋面主體層3每層材料名稱厚度(mm)導(dǎo)熱系數(shù)[W/(m·K)]蓄熱系數(shù)[W/(m2·K)]熱阻值[(m2·K)/W]熱惰性指標(biāo)D=R.S修正系數(shù)α碎石，卵石混凝土140.01.51015.3600.0260.411.00水泥砂漿20.00.93011.3700.0220.241.00難燃型擠塑聚苯板80.00.0300.2702.2220.721.20水泥砂漿20.00.93011.3700.0220.241.00鋼筋混凝土120.01.74017.2000.0691.191.00屋面主體層3各層之和280.02.362.80屋面主體層3熱阻Ro=Ri+∑R+Re=2.51[(m2·K)/W]Ri=0.11[(m2·K)/W];Re=0.04[(m2·K)/W]屋面主體層3傳熱系數(shù)K=1/Ro=0.40[W/(m2·K)]太陽(yáng)輻射吸收系數(shù)ρ=0.70輕質(zhì)或重質(zhì)重質(zhì)差分時(shí)間步長(zhǎng)（分鐘）51.1屋面主體層3--空調(diào)房間表5屋面主體層3內(nèi)外壁面溫度逐時(shí)值—空調(diào)房間時(shí)刻01234567891011外壁面36.5135.2634.2433.3432.5731.7931.8733.5337.7244.4851.8357.15內(nèi)壁面26.7226.7226.7126.7026.6926.6826.6626.6426.6326.6126.6026.59時(shí)刻121314151617181920212223外壁面59.2358.8357.4255.4852.6849.3546.7144.4142.4540.7339.2037.98內(nèi)壁面26.5826.5826.6026.6126.6426.6626.6826.7026.7226.7326.7326.741.2屋面主體層3--自然通風(fēng)房間表6屋面主體層3內(nèi)外壁面溫度逐時(shí)值—自然通風(fēng)房間時(shí)刻01234567891011外壁面36.7135.4534.4433.5432.7631.9932.0733.7237.9244.6752.0257.34內(nèi)壁面37.1436.8536.5536.2936.0735.9035.8135.7935.8535.9736.1736.41時(shí)刻121314151617181920212223外壁面59.4159.0257.6055.6652.8749.5446.9044.5942.6440.9239.3938.17內(nèi)壁面36.6936.9837.2837.5537.7937.9638.0638.0838.0237.8937.6937.441.3結(jié)論表7屋面主體層3內(nèi)表面最高溫度判定屋面主體層3房間類型最高溫度限值結(jié)論空調(diào)房間26.7428.50滿足要求自然通風(fēng)房間38.0840.80滿足要求2外墻本項(xiàng)目外墻內(nèi)表面最高溫度的詳細(xì)計(jì)算過(guò)程如下所示：表8填充墻3材料構(gòu)造材料匯總表填充墻3每層材料名稱厚度(mm)導(dǎo)熱系數(shù)[W/(m·K)]蓄熱系數(shù)[W/(m2·K)]熱阻值[(m2·K)/W]熱惰性指標(biāo)D=R.S修正系數(shù)α水泥砂漿20.00.93011.3700.0220.241.00蒸壓加氣混凝土砌塊526～625(外墻灰縫≤3mm)250.00.1903.0101.3163.961.00水泥砂漿20.00.93011.3700.0220.241.00填充墻3各層之和290.01.364.45填充墻3熱阻Ro=Ri+∑R+Re=1.51[(m2·K)/W]Ri=0.11[(m2·K)/W];Re=0.04[(m2·K)/W]填充墻3傳熱系數(shù)K=1/Ro=0.66[W/(m2·K)]太陽(yáng)輻射吸收系數(shù)ρ=0.70輕質(zhì)或重質(zhì)重質(zhì)差分時(shí)間步長(zhǎng)（分鐘）5表9地下室外墻3材料構(gòu)造材料匯總表地下室外墻3每層材料名稱厚度(mm)導(dǎo)熱系數(shù)[W/(m·K)]蓄熱系數(shù)[W/(m2·K)]熱阻值[(m2·K)/W]熱惰性指標(biāo)D=R.S修正系數(shù)α燒結(jié)頁(yè)巖多孔磚砌體100.00.5807.8500.1721.351.00難燃型擠塑聚苯板30.00.0300.2700.8330.271.20水泥砂漿20.00.93011.3700.0220.241.00鋼筋混凝土300.01.74017.2000.1722.971.00水泥砂漿20.00.93011.3700.0220.241.00地下室外墻3各層之和470.01.225.08地下室外墻3熱阻Ro=Ri+∑R+Re=1.33[(m2·K)/W]Ri=0.11[(m2·K)/W];Re=--[(m2·K)/W]地下室外墻3傳熱系數(shù)K=1/Ro=0.75[W/(m2·K)]太陽(yáng)輻射吸收系數(shù)ρ=0.70輕質(zhì)或重質(zhì)重質(zhì)差分時(shí)間步長(zhǎng)（分鐘）52.1東向外墻2.1.1東向填充墻3--空調(diào)房間表10東向填充墻3內(nèi)外壁面溫度逐時(shí)值—空調(diào)房間時(shí)刻01234567891011外壁面33.9832.9932.3131.7331.2330.6531.1733.6538.8944.9648.4648.17內(nèi)壁面27.0327.0527.0627.0727.0727.0727.0727.0627.0527.0327.0126.99時(shí)刻121314151617181920212223外壁面47.4246.5345.7545.0343.7541.8340.2538.8437.7136.7135.7835.13內(nèi)壁面26.9726.9526.9426.9326.9226.9226.9326.9426.9626.9827.0027.022.1.2東向地下室外墻3--空調(diào)房間表11東向地下室外墻3內(nèi)外壁面溫度逐時(shí)值—空調(diào)房間時(shí)刻01234567891011外壁面34.8834.0133.3932.8032.2831.6632.2034.5539.3744.4846.8345.92內(nèi)壁面26.9026.9026.9026.9026.9026.9126.9126.9126.9126.9126.9126.91時(shí)刻121314151617181920212223外壁面45.4244.8344.4244.0042.9741.3740.2239.1238.2537.4036.6036.05內(nèi)壁面26.9126.9126.9126.9126.9126.9126.9126.9126.9126.9126.9126.912.1.3東向填充墻3--自然通風(fēng)房間表12東向填充墻3內(nèi)外壁面溫度逐時(shí)值—自然通風(fēng)房間時(shí)刻01234567891011外壁面34.3433.3632.6832.1031.6031.0331.5534.0339.2845.3448.8448.55內(nèi)壁面36.8836.2035.5635.0134.5934.3334.2334.3234.5834.9935.5436.17時(shí)刻121314151617181920212223外壁面47.7946.9046.1245.3944.1142.1940.6039.2038.0737.0636.1335.49內(nèi)壁面36.8537.5338.1638.7139.1339.4039.4939.4139.1638.7538.2037.572.2南向外墻2.2.1南向填充墻3--空調(diào)房間表13南向填充墻3內(nèi)外壁面溫度逐時(shí)值—空調(diào)房間時(shí)刻01234567891011外壁面34.1233.1232.4231.8231.3130.7330.9532.7836.8843.0249.3453.28內(nèi)壁面27.1327.1427.1627.1727.1727.1727.1727.1627.1427.1227.1027.08時(shí)刻121314151617181920212223外壁面53.8452.1850.0948.0845.6442.9040.9039.2938.0436.9635.9835.30內(nèi)壁面27.0527.0327.0126.9926.9826.9826.9927.0127.0327.0527.0827.112.2.2南向填充墻3--自然通風(fēng)房間表14南向填充墻3內(nèi)外壁面溫度逐時(shí)值—自然通風(fēng)房間時(shí)刻01234567891011外壁面34.4833.4832.7932.2031.6931.1131.3333.1637.2643.4049.7253.65內(nèi)壁面36.9836.3035.6635.1234.6934.4334.3334.4234.6735.0935.6336.26時(shí)刻121314151617181920212223外壁面54.2152.5550.4548.4446.0043.2641.2639.6438.3937.3136.3335.66內(nèi)壁面36.9337.6138.2338.7739.1939.4639.5639.4839.2338.8238.2937.662.3西向外墻2.3.1西向填充墻3--空調(diào)房間表15西向填充墻3內(nèi)外壁面溫度逐時(shí)值—空調(diào)房間時(shí)刻01234567891011外壁面34.0633.0632.3631.7731.2630.6830.7732.1434.9038.5842.3244.92內(nèi)壁面27.0127.0327.0527.0627.0727.0727.0727.0727.0627.0427.0227.00時(shí)刻121314151617181920212223外壁面47.7449.4049.8649.4147.3943.7241.1739.3538.0336.9135.9235.24內(nèi)壁面26.9826.9626.9426.9326.9126.9126.9126.9126.9326.9526.9726.992.4北向外墻2.4.1北向地下室外墻3--空調(diào)房間表16北向地下室外墻3內(nèi)外壁面溫度逐時(shí)值—空調(diào)房間時(shí)刻01234567891011外壁面34.5133.6833.1032.5532.0531.4531.4632.5134.6937.5840.4342.26內(nèi)壁面26.7626.7626.7726.7726.7726.7726.7726.7826.7826.7826.7826.78時(shí)刻121314151617181920212223外壁面42.7942.6642.5342.3641.6440.4039.4238.4437.6536.8736.1335.63內(nèi)壁面26.7826.7826.7826.7826.7826.7826.7826.7826.7826.7826.7826.782.4.2北向填充墻3--空調(diào)房間表17北向填充墻3內(nèi)外壁面溫度逐時(shí)值—空調(diào)房間時(shí)刻01234567891011外壁面33.8332.8632.1931.6231.1330.5630.5431.6634.0937.4440.9043.35內(nèi)壁面26.8726.8926.9026.9126.9226.9226.9226.9226.9126.9026.8926.88時(shí)刻121314151617181920212223外壁面44.2944.2143.9243.5542.6541.1439.7938.5037.4436.4835.5834.97內(nèi)壁面26.8626.8426.8326.8126.8126.8026.8026.8126.8226.8326.8526.862.5結(jié)論表18填充墻3內(nèi)外壁面溫度判定填充墻3房間類型最高溫度限值結(jié)論東向空調(diào)房間27.0728.00滿足要求東向自然通風(fēng)房間39.4940.80滿足要求南向空調(diào)房間27.1728.00滿足要求南向自然通風(fēng)房間39.5640.80滿足要求西向空調(diào)房間27.0728.00滿足要求西向自然通風(fēng)房間北向空調(diào)房間26.9228.00滿足要求北向自然通風(fēng)房間表19地下室外墻3內(nèi)外壁面溫度判定地下室外墻3房間類型最高溫度限值結(jié)論東向空調(diào)房間26.9128.00滿足要求西向自然通風(fēng)房間北向空調(diào)房間26.7828.00滿足要求北向自然通風(fēng)房間3熱橋本項(xiàng)目熱橋內(nèi)表面最高溫度的詳細(xì)計(jì)算過(guò)程如下所示：表20框架柱3材料構(gòu)造材料匯總表框架柱3每層材料名稱厚度(mm)導(dǎo)熱系數(shù)[W/(m·K)]蓄熱系數(shù)[W/(m2·K)]熱阻值[(m2·K)/W]熱惰性指標(biāo)D=R.S修正系數(shù)α水泥砂漿5.00.93011.3700.0050.061.00增強(qiáng)型改性發(fā)泡水泥保溫板A型50.00.0550.9000.7270.821.25水泥砂漿15.00.93011.3700.0160.181.00鋼筋混凝土400.01.74017.2000.2303.951.00水泥砂漿20.00.93011.3700.0220.241.00框架柱3各層之和490.01.005.26框架柱3熱阻Ro=Ri+∑R+Re=1.15[(m2·K)/W]Ri=0.11[(m2·K)/W];Re=0.04[(m2·K)/W]框架柱3傳熱系數(shù)K=1/Ro=0.87[W/(m2·K)]太陽(yáng)輻射吸收系數(shù)ρ=0.70輕質(zhì)或重質(zhì)重質(zhì)差分時(shí)間步長(zhǎng)（分鐘）53.1東向熱橋3.1.1東向框架柱3--空調(diào)房間表21東向框架柱3內(nèi)外壁面溫度逐時(shí)值—空調(diào)房間時(shí)刻01234567891011外壁面32.4631.5231.0330.5730.1629.5730.9235.1042.9650.5652.9149.81內(nèi)壁面27.0527.0527.0627.0627.0627.0627.0727.0727.0727.0727.0727.07時(shí)刻121314151617181920212223外壁面48.0246.5745.5844.7042.8740.2538.6337.2236.2135.2734.3933.96內(nèi)壁面27.0727.0627.0627.0627.0627.0627.0627.0627.0627.0627.0627.073.1.2東向框架柱3--自然通風(fēng)房間表22東向框架柱3內(nèi)外壁面溫度逐時(shí)值—自然通風(fēng)房間時(shí)刻01234567891011外壁面32.8731.9331.4430.9830.5729.9831.3335.5143.3750.9753.3250.22內(nèi)壁面36.6636.3135.9835.7135.5135.4035.3835.4635.6235.8736.1836.53時(shí)刻121314151617181920212223外壁面48.4446.9845.9945.1143.2840.6739.0437.6336.6235.6834.8034.37內(nèi)壁面36.9037.2637.5837.8638.0638.1738.2038.1237.9637.7137.4137.063.2南向熱橋3.2.1南向框架柱3--空調(diào)房間表23南向框架柱3內(nèi)外壁面溫度逐時(shí)值—空調(diào)房間時(shí)刻01234567891011外壁面32.4831.5331.0530.5830.1829.5830.4233.6339.8748.2955.6658.47內(nèi)壁面27.1327.1327.1427.1427.1527.1527.1527.1527.1527.1527.1527.15時(shí)刻121314151617181920212223外壁面56.5052.5849.3946.8943.7740.4538.6737.2436.2335.2934.4133.97內(nèi)壁面27.1527.1527.1527.1427.1427.1427.1427.1427.1427.1427.1527.153.2.2南向框架柱3--自然通風(fēng)房間表24南向框架柱3內(nèi)外壁面溫度逐時(shí)值—自然通風(fēng)房間時(shí)刻01234567891011外壁面32.8931.9431.4630.9930.5929.9930.8334.0440.2948.7156.0758.88內(nèi)壁面36.7536.3936.0735.8035.6035.4935.4735.5535.7135.9636.2736.62時(shí)刻121314151617181920212223外壁面56.9153.0049.8147.3044.1840.8639.0837.6536.6435.7034.8234.38內(nèi)壁面36.9937.3537.6737.9538.1538.2638.2838.2138.0437.8037.4937.153.3西向熱橋3.3.1西向框架柱3--空調(diào)房間表25西向框架柱3內(nèi)外壁面溫度逐時(shí)值—空調(diào)房間時(shí)刻01234567891011外壁面32.4631.5231.0330.5730.1629.5730.1832.6536.8241.6846.0048.13內(nèi)壁面27.0427.0427.0527.0527.0527.0627.0627.0627.0627.0627.0627.06時(shí)刻121314151617181920212223外壁面51.1752.1151.5550.1346.5941.1438.7337.2436.2235.2834.4033.96內(nèi)壁面27.0627.0627.0627.0627.0527.0