采暖負(fù)荷計(jì)算書.doc

熱負(fù)荷計(jì)算書采暖負(fù)荷計(jì)算書一、設(shè)計(jì)工程參數(shù)建筑物名稱永達(dá)7#辦公樓采暖系統(tǒng)形式地板輻射建筑物總層數(shù)7建筑物室內(nèi)外高差(米)0.1建筑物總高度(米)29.2建筑物中和界高度(米)14.6二、設(shè)計(jì)氣象參數(shù)室外采暖計(jì)算溫度()-15東/西(朝向修正)-0.05風(fēng)力附加系數(shù)0北/東北/西北(朝向修正)0.1熱壓系數(shù)0.25南(朝向修正)-0.2風(fēng)壓系數(shù)0.7東南/西南(朝向修正)-0.05三、計(jì)算公式公式1：基本耗熱量計(jì)算原理：其中：Qj基本耗熱量K傳熱系數(shù)F傳熱面積tn室內(nèi)空氣計(jì)算溫度tw室外供暖計(jì)算溫度溫差修正系數(shù)公式2：考慮附加后耗熱量計(jì)算原理：其中：Q1 考慮各項(xiàng)附加后，某圍護(hù)的耗熱量Qj 某圍護(hù)的基本耗熱量ch朝向修正f 風(fēng)力修正li兩面外墻修正m窗墻面積比過大fg房高附加j 間歇附加公式3：通過外門冷風(fēng)滲透耗熱量計(jì)算其中：Q2通過外門冷風(fēng)滲透耗熱量cp室外溫度下空氣比熱容室外溫度下空氣密度L滲透空氣體積流量滲透冷空氣量的計(jì)算:在基準(zhǔn)高度單獨(dú)風(fēng)壓作用下,不考慮朝向修正和建筑物內(nèi)部隔斷情況時(shí),通過每米門窗縫隙進(jìn)入室內(nèi)的理論滲透空氣量;外門窗縫隙的長度m風(fēng)壓與熱壓作用下,共同考慮建筑體形,內(nèi)部隔斷和空氣流通等因素后,不通朝向,不同高度的門窗冷風(fēng)滲透差壓綜合修正系數(shù);b門窗滲風(fēng)系數(shù);通過每米門窗縫隙進(jìn)入室內(nèi)的理論滲透空氣量:外門窗縫隙滲風(fēng)系數(shù)基準(zhǔn)高度冬季室外最多風(fēng)向的平均風(fēng)速;冷風(fēng)滲透壓差綜合修正系數(shù):Cr熱壓系數(shù)風(fēng)壓差系數(shù)C作用于門窗上的有效熱壓差和風(fēng)壓差之比高度修正系數(shù)h計(jì)算門窗的中心線標(biāo)高有效熱壓差與有效風(fēng)壓差之比:單純熱壓作用下,建筑物中和面的標(biāo)高m建筑物內(nèi)形成熱壓作用的豎井溫度;公式4：通過外門冷風(fēng)侵入耗熱量計(jì)算Q3=Qj*kq其中：Q3通過外門冷風(fēng)侵入耗熱量Qj 某圍護(hù)的基本耗熱量kq外門開啟外門開啟沖入冷風(fēng)耗熱量附加率，參見2p128表4.1-12四、計(jì)算結(jié)果建筑物總采暖面積S m2：5003.6建筑物總熱負(fù)荷W：156473.9建筑物熱指標(biāo)W/m2：31.27采暖熱負(fù)荷計(jì)算書樓層號房間 編號外圍擋物名稱圍護(hù)面積m2室內(nèi)外溫差傳熱系數(shù)W/(m2.)基本耗熱量W朝向附加系數(shù)空氣滲透耗熱量W個(gè)數(shù)附加后耗熱量W1層1001東北窗戶19312.51472.50.1021619.8東北外門15.2316.53062.80.1013369.1地面51.38310.37589.3589.3小計(jì)5124.61537.47115.5小計(jì)(不含戶間)7115.51002北外墻13.8310.4171.10.1188.2北窗戶9.3312.5719.40.101791.3北窗戶8.3312.5640.30.101704.3北窗戶37.9312.529380.1053231.8地面28.08310.37322.1322.1屋項(xiàng)28.08310.29252.4252.4小計(jì)5043.315137003.2小計(jì)(不含戶間)7003.21003北窗戶7.4312.5571.30.102628.4北外門10.9316.521980.1012417.8地面17.34310.37198.9198.9小計(jì)2968.1890.44135.5小計(jì)(不含戶間)4135.51004西外墻27.36350.4383-0.1363.9東外墻8.36350.4117-0.1111.2北外墻11.02350.4154.30.1169.7南外墻17.48350.4244.7-0.2195.8北窗戶17.2352.51504.90.1011655.4北窗戶14.3352.51250.50.1011375.6南窗戶8.3352.5722.6-0.201578.1東窗戶10.1352.5883.8-0.101839.6東窗戶3.7352.5322-0.101305.9地面557.38350.377218.17218.1小計(jì)128011920.214733.4小計(jì)(不含戶間)14733.41005西外墻27.36310.4339.3-0.1322.3南外墻7.98310.499-0.279.2南窗戶3.2312.5247.6-0.201198.1南窗戶2.4312.5189.5-0.201151.6地面36.72310.37421.2421.2小計(jì)1296.5388.91561.3小計(jì)(不含戶間)1561.31006南外門5.5316.51099-0.201879.2南窗戶8.6312.5663.8-0.201531.1南窗戶55312.54264.5-0.2073411.6地面28.08310.37322.1322.1屋項(xiàng)28.08310.29252.4252.4小計(jì)6601.8990.36386.6小計(jì)(不含戶間)6386.61007東窗戶8.2312.5634.7-0.102603南窗戶8.4312.5650.6-0.201520.5東外門10.9316.52198-0.1012088.1地面21.22310.37243.4243.4小計(jì)3726.75594013.9小計(jì)(不含戶間)4013.9合計(jì)44949.42層2001東北窗戶31.5312.52441.30.1012685.4小計(jì)2441.3366.23051.6小計(jì)(不含戶間)3051.62002北外墻1.75350.424.50.127北窗戶15.3352.51339.50.1011473.5小計(jì)1364204.61705小計(jì)(不含戶間)17052003北外墻1.75350.424.50.127北窗戶15.3352.51339.50.1011473.5小計(jì)1364204.61705小計(jì)(不含戶間)17052004北外墻3.32350.446.50.151.2北窗戶14.3352.51254.50.1011379.9北窗戶5.2352.5457.10.101502.9小計(jì)1758.2263.72197.7小計(jì)(不含戶間)2197.72005北外墻6.3350.488.20.197西外墻25.2350.4352.8-0.1335.2南外墻16.8350.4235.2-0.2188.2東外墻8.22350.4115.1-0.1109.4南窗戶51.5352.54502.3-0.2073601.9南窗戶7.5352.5653.8-0.201523.1東窗戶9352.5786.7-0.101747.4東窗戶16352.51403.3-0.1011333.2東窗戶5.6352.5490-0.101465.5小計(jì)8627.51294.18694.8小計(jì)(不含戶間)8694.82006西外墻25.2310.4312.5-0.1296.9南外墻7.35310.491.1-0.272.9南窗戶5.5312.5425.5-0.202340.4小計(jì)829.1124.4834.5小計(jì)(不含戶間)834.5合計(jì)18188.73至6層3001/4001/5001/6001東北窗戶31.5312.52441.30.1012685.4小計(jì)2441.3366.23051.6小計(jì)(不含戶間)3051.63002/4002/5002/6002北外墻1.65350.423.10.125.4北窗戶13.5352.51180.50.1021298.6小計(jì)1203.6180.51504.5小計(jì)(不含戶間)1504.53003/4003/5003/6003北外墻1.65350.423.10.125.4北窗戶13.5352.51180.50.1021298.6小計(jì)1203.6180.51504.5小計(jì)(不含戶間)1504.53004/4004/5004/6004北外墻3.13350.443.90.148.3北窗戶12.6352.51102.50.1021212.7北窗戶4.8352.5419.50.101461.5小計(jì)1565.9234.91957.3小計(jì)(不含戶間)1957.33005/4005/5005/6005南外墻17.32350.4242.5-0.2194西外墻23.76350.4332.6-0.1316南外墻9.24350.4129.4-0.2103.5北外墻6.1350.485.50.194南窗戶47.2352.54131.8-0.2073305.4南窗戶6.7352.5590.3-0.201472.2南窗戶3352.5263.4-0.201210.7東窗戶14.6352.51278.1-0.1021214.2東窗戶8.3352.5722-0.101685.9東窗戶5.3352.5462-0.101438.9小計(jì)8237.51235.68270.5小計(jì)(不含戶間)8270.53006/4006/5006/6006西外墻23.76310.4294.6-0.1279.9南外墻6.93310.485.9-0.268.7南窗戶4.9312.5379-0.202303.2小計(jì)759.5113.9765.7小計(jì)(不含戶間)765.7合計(jì)68216.47層7001東北窗戶31.5312.52441.30.1012685.4屋項(xiàng)36.72310.29330.1330.1小計(jì)2771.4415.73431.2小計(jì)(不含戶間)3431.27002北外墻1.65350.423.10.125.4北窗戶13.5352.51180.50.1021298.6屋項(xiàng)48.96350.29496.9496.9小計(jì)1700.6255.12076小計(jì)(不含戶間)20767003北外墻1.65350.423.10.125.4北窗戶13.5352.51180.50.1021298.6屋項(xiàng)48.96350.29496.9496.9小計(jì)1700.6255.12076小計(jì)(不含戶間)20767004北外墻3.13350.443.90.148.3北窗戶12.6352.51102.50.1021212.7北窗戶4.8352.5419.50.101461.5屋項(xiàng)64.8350.29657.7657.7小計(jì)2223.6333.52713.7小計(jì)(不含戶間)2713.77005南外墻17.32350.4242.5-0.2194西外墻23.76350.4332.6-0.1316南外墻9.24350.4129.4-0.2103.5北外墻6.1350.485.50.194南窗戶47.2352.54131.8-0.2073305.4南窗戶6.7352.5590.3-0.201472.2南窗戶3352.5263.4-0.201210.7東窗戶14.6352.51278.1-0.1021214.2東窗戶8.3352.5722-0.101685.9東窗戶5.3352.