空调冷负荷计算说明书.doc

一，冷负荷计算地下室冷负荷计算 照明：商场照明查暖通空调设计手册取20W/m。并由暖通空调设计手册表2-44查得CLQ。 Qc()=1000n1n2NCLQ N灯具散热形成的冷负荷W/m n1镇流器消耗功率系数。镇流器设在顶棚内n1=1.0。 n2灯罩隔热系数。可利用自然通风n2=0.5。 CLQ照明散热冷负荷系数商场照明散热形成冷负荷时间11:0012:0013:0014;0015:0016:0017:0018:0019:0020:0021:00CLQ0.690.860.890.900.910.910.920.930.940.950.95n11.0n20.5N18398.8Qc()6.357.918.198.288.378.378.468.568.658.748.74A=（39-0.3）（28.03-0.03）-（6.85+3.9+0.12）（6.85+0.5+4.22+0.12）-（8+0.24）（4.2+0.24） =1083.6-127.07-36.59 =919.94 mN=919.9420=18398.8W商场人员散热形成的热负荷：人员：商场属于轻级劳动。查空气调节设计手册表2-47，当室温为25时，每人散发的显热qs=64，潜热为qL=117。由表2-46查得群集系数=0.89。查空气调节设计手册表2-45，人员进入室内4小时，CLQ=0.66。按每0.5人/m。概算如下：Qc()=qs n CLQ=64919.940.890.66=17.29KWQc()= qL n =1170.89919.94=47.90KWQc=Qc()+Qc()=30360.22+84094.35=65.19KW休息室照明散热形成的冷负荷时间11:0012:0013:0014;0015:0016:0017:0018:0019:0020:0021:00CLQ0.690.860.890.900.910.910.920.930.940.950.95n11.0n20.5N300.2Qc()0.1030.1290.1340.1330.1370.1370.1380.1400.1410.1420.075A=（4.22-0.12）（3.9-0.24） =4.13.66 =15.01m休息室人员散热形成的冷负荷： Qc()=qs n CLQ=6415.010.890.66=0.300KWQc()= qL n =1170.8915.01=0.833KWQc=Qc()+Qc()=0.300+0.833=1.13KW控制室照明散热形成的冷负荷时间11:0012:0013:0014;0015:0016:0017:0018:0019:0020:0021:00CLQ0.690.860.890.900.910.910.920.930.940.950.95n11.0n20.5N52.04Qc()0.0170.2240.2320.2340.2370.2370.2390.2420.2450.2470.247控制室人员散热形成的冷负荷：Qc()=qs n CLQ=6452.040.890.66=0.075KWQc()= qL n =1170.8952.04=0.208KWQc=Qc()+Qc()=0.283KW地下室各部分项逐时冷负荷汇总表时间11:0012:0013:0014;0015:0016:0017:0018:0019:0020:0021:00商场照明6.357.918.198.288.378.378.468.568.658.748.74人员65.19休息室照明0.1030.1290.1340.1330.1370.1370.1380.1400.1410.1430.075人员1.13控制室照明0.0180.2240.2320.2340.2370.2370.2390.2420.2450.2470.247人员0.283总计73.0774.6774.9575.0475.1475.1475.3275.2375.4275.5175.51地下室人员湿负荷： Wr=（1/1000）n Wr人体湿负荷K/h n室内人员总数 群集系数=0.89。查空气调节设计手册表2-45得 每名成年男子的散湿量，查空气调节设计手册表2-47，=175 Wr=（1/1000）n =（1/1000）471.970.89175 =73.51 K/h一层冷负荷计算东外墙：东外墙皆为II类370mm墙。由空气调节设计手册表226查得K=1.5。查高层公共建筑空调设计实例t=-4.4.查暖通空调表228得K=1.0.查暖通空调表中色外墙29得K=0.97.并由附录24查得外墙冷负荷计算温度tc()Qc()=AK（tc()-tR） Qc()外墙逐时冷负荷 KW tc()外墙冷负荷计算温度逐时值 A外墙面积 m K吸收系数K外墙传热系数 K外表面放热系数tR室内计算温度 A=6.452（3.97+0.3）=27.55 m东外墙冷负荷时间11:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:00tc()35.035.035.235.636.136.637.137.537.938.238.4t-4.4K1.0K0.97tc()29.6829.6829.8830.2630.7531.2331.7232.1132.5032.7932.98tR25t4.684.684.885.265.756.236.727.117.507.797.98K1.50A27.55Qc()1.141.141.201.321.461.601.751.862.142.222.31A=6.452（3.97+0.3）=27.55 m北外墙冷负荷时间11:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:00tc()31.031.431.331.2 31.231.331.431.631.832.132.4t-4.6K1.0K0.97tc()25.6125.0025.9025.8025.8025.9026.0026.1926.3826.6826.97tR25t0.6100.900.800.800.901.001.191.381.681.97K1.50A29.89Qc()0.0300.0000.0450.0400.0400.0450.0500.0600.0700.0840.100A=74.27=29.89 m西外墙冷负荷时间11:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:00tc()36.335.935.535.234.934.834.834.935.335.836.5t-4.4K1.0K0.97tc()30.9430.5630.1729.8829.5929.4929.4929.5929.9730.4631.14tR25t5.945.565.174.884.594.494.494.594.975.466.14K1.5A50.60Qc()0.520.470.440.420.390.380.380.390.420.470.52A=（6.85+5）4.27=50.60 m西南外墙冷负荷时间11:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:00tc()35.735.234.934.634.434.334.434.735.235.836.5t-4.3K1.0K0.97tc()30.4629.9729.6829.3929.2029.129.2029.4929.4930.5631.23tR25t5.464.974.684.394.204.14.204.494.975.566.23K1.50A104.88Qc()1.000.920.860.810.770.760.770.830.921.021.15A=33.8554.27-1.478-4.42-2.398=104.88 m东南外墙冷负荷时间11:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:00tc()29.229.830.731.832.934.236.038.340.742.843.5t-4.3K1.0K0.97tc()24.1524.7425.6126.8827.7429.0030.7532.4835.3137.8538.02tR25t-0.85-0.260.611.682.744.005.757.4810.3112.8513.02K1.50A32.87Qc()-0.047-0.0140.0340.0930.1510.2210.3190.4420.5710.7120.721A=7.6994.27=32.87m西北外墙冷负荷计算时间11:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:00tc()29.229.830.731.832.934.236.038.340.742.843.5t-4.5K1.0K0.97tc()23.9624.5425.4126.4827.5528.8130.5632.7935.1137.1537.83tR25t-1.04-0.460.411.482.553.815.567.7910.1112.1512.83K1.50A23.15Qc()-0.081-0.0360.0320.1160.1990.2970.4340.6080.7890.9491.001A=5.4224.27=23.15 m北外窗与二层广告窗相似。单层6 mm厚普通玻璃。查暖通空调附录2-7得Kw=5.94。查暖通空调附录2-11,呼和浩特地点修正td=-4。并又附录2-10查得tc()。北外窗瞬时得热冷负荷时间11:0012:0013:0014;0015:0016:0017:0018:0019:0020:0021:00tc()29.930.831.531.932.232.232.031.630.829.929.1td-425.926.827.527.928.228.228.027.626.825.925.1tR25t0.91.82.52.93.23.23.02.61.80.90.1Kw5.94Aw72.65Qc()0.390.781.081.251.381.381.291.120.780.390.04A=（6+6+6.3）3.97=72.65 m单层6 mm厚普通玻璃。由暖通空调附录2-13查得Cs=0.89。查附录2-14中间色Ci=0.60北外窗日射得热时间11:0012:0013:0014;0015:0016:0017:0018:0019:0020:0021:00CLQ0.810.830.830.790.710.600.610.680.170.160.15Djmax114Ccs0.534Aw72.65Qc()3.583.673.673.493.142.652.703.000.750.710.62西外窗瞬时得热冷负荷时间11:0012:0013:0014;0015:0016:0017:0018:0019:0020:0021:00tc()29.930.831.531.932.232.232.031.630.829.929.1td-425.926.827.527.928.228.228.027.626.825.925.1tR25t0.91.82.52.93.23.23.02.61.80.90.1Kw5.94Aw73.45Qc()0.390.791.091.271.401.401.311.130.790.390.04A=（7+7+4.5）3.97=73.45西外窗日射得热时间11:0012:0013:0014;0015:0016:0017:0018:0019:0020:0021:00CLQ0.190.200.340.560.720.830.770.530.110.100.09Djmax599Ccs0.534Aw73.45Qc()4.464.707.9913.1616.9219.5018.0912.452.582.352.11西南窗瞬时得热时间11:0012:0013:0014;0015:0016:0017:0018:0019:0020:0021:00tc()29.930.831.531.932.232.232.031.630.829.929.1td-425.926.827.527.928.228.228.027.626.825.925.1tR25t0.91.82.52.93.23.23.02.61.80.90.1Kw3.01Aw39.68Qc()0.100.210.300.350.380.380.360.310.210.12-0.01Ac-47=0.653.67=2.39 mAc-46=1.23.67=4.40 mAc-48=0.43.67=1.47mAw=1.478+4.42+2.398=39.68 m西南窗日射得热时间11:0012:0013:0014;0015:0016:0017:0018:0019:0020:0021:00CLQ0.230.380.580.730.630.790.590.370.110.100.10Djmax477Ccs0.387Aw39.68Qc()1.682.784.255.354.615.794.322.710.800.730.73人员：商场属于轻级劳动。查空气调节设计手册表2-47，当室温为25时，每人散发的显热qs=64，潜热为qL=117。由表2-46查得群集系数=0.89。查空气调节设计手册表2-45，人员进入室内4小时，CLQ=0.66。按每0.5人/m。概算如下：Qc()=qs n CLQ=64794.970.890.66=29.89KWQc()= qL n =1170.89794.97=82.78KWQc=Qc()+Qc()=29.89+82.78=112.67KW照明：商场照明查暖通空调设计手册取20W/m。并由暖通空调设计手册表2-44查得CLQ。 Qc()=1000n1n2NCLQ N灯具散热形成的冷负荷W/m n1镇流器消耗功率系数。镇流器设在顶棚内n1=1.0。 n2灯罩隔热系数。可利用自然通风n2=0.5。 CLQ照明散热冷负荷系数照明散热形成冷负荷时间11:0012:0013:0014;0015:0016:0017:0018:0019:0020:0021:00CLQ0.690.860.890.900.910.910.920.930.940.950.95n11.0n20.5N31.798Qc()10.9713.6714.1514.3114.4714.4714.6314.7914.1515.1015.10一层各部分项逐时冷负荷汇总表时间11:0012:0013:0014;0015:0016:0017:0018:0019:0020:0021:00东外墙1.141.141.201.321.461.601.751.862.142.222.28北外墙0.0300.0000.0450.0400.0400.0450.0500.0600.0700.0840.100西外墙0.520.470.440.420.390.380.380.390.420.470.52西南外墙1.000.920.860.810.770.760.770.830.921.021.15东南外墙-0.047-0.0140.0340.0930.1510.2210.3190.4420.5710.7120.721西北外墙-0.081-0.0360.0320.1160.1990.2970.4340.6080.7890.9491.001北窗瞬时0.390.781.081.251.381.381.291.120.780.390.04北窗日射3.583.673.673.493.142.652.703.000.750.710.62西窗瞬时0.390.791.091.271.401.401.311.130.790.390.04西窗日射4.464.707.9913.1616.9219.5018.0912.452.582.352.11西南瞬时0.100.210.300.350.380.380.360.310.210.12-0.01西南日射1.682.784.255.354.615.794.322.710.800.730.73照明10.9713.6714.1514.3114.4714.4714.6314.7914.1515.1015.10人员112.67总计136.80141.75147.76154.59157.86161.49159.02152.32137.58137.86137.06一层人员湿负荷： Wr=（1/1000）n Wr人体湿负荷K/h n室内人员总数 群集系数=0.89。查空气调节设计手册表2-45得 每名成年男子的散湿量，查空气调节设计手册表2-47，=175 Wr=（1/1000）n =（1/1000）794.970.89175 =125.78K/h二层冷负荷计算东外墙：东外墙皆为II类370mm墙。由空气调节设计手册表226查得K=1.5。查高层公共建筑空调设计实例t=-4.4.查暖通空调表228得K=1.0.查暖通空调表中色外墙29得K=0.97.并由附录24查得外墙冷负荷计算温度tc()东外墙冷负荷时间11:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:00tc()35.035.035.235.636.136.637.137.537.938.238.4t-4.4K1.0K0.97tc()29.6829.6829.8830.2630.7531.2331.7232.1132.5032.7932.98tR25t4.684.684.885.265.756.236.727.117.507.797.98K1.50A145.39Qc()1.021.021.061.151.251.361.471.551.641.701.74A=53.4213.97-1.23.9714=145.39 m北外墙冷负荷时间11:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:00tc()31.031.431.331.2 31.231.331.431.631.832.132.4t-4.6K1.0K0.97tc()25.6125.0025.9025.8025.8025.9026.0026.1926.3826.6826.97tR25t0.6100.900.800.800.901.001.191.381.681.97K1.50A44.54Qc()0.0400.060.050.050.060.070.080.090.110.13A=（4.218+7）3.67-1.23.6714=44.54 m西南外墙冷负荷时间11:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:00tc()35.735.234.934.634.434.334.434.735.235.836.5t-4.3K1.0K0.97tc()30.4629.9729.6829.3929.2029.129.2029.4929.4930.5631.23tR25t5.464.974.684.394.204.14.204.494.975.566.23K1.50A76.04Qc()0.620.570.530.530.480.470.480.510.570.630.71A=33.8553.97-15.092-4.572-4.764=76.04 m东南外墙冷负荷时间11:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:00tc()29.229.830.731.832.934.236.038.340.742.843.5t-4.3K1.0K0.97tc()24.1524.7425.6126.8827.7429.0030.7532.4835.3137.8538.02tR25t-0.85-0.260.611.682.744.005.757.4810.3112.8513.02K1.50A44.16Qc()-0.04-0.010.030.090.150.220.320.410.570.710.72A=（7.699+1.5）3.97=44.16 m东外窗：东外窗为双层刚窗。查暖通空调附录2-8得Kw=3.01。双层窗的修正系数由附录2-9查得为Kw=1.20。查暖通空调附录2-11得窗户呼和浩特地点修正t=-4。由暖通空调附录2-10查得tc()。表面积Aw=NAc16=141.23.97=76.22 mQc()=KwAw(tc()-tR)Qc()外玻璃窗瞬变传热引起的冷负荷 KWKw外玻璃窗传热系数Aw窗口面积mtc()温度逐时值东外窗瞬时得热冷负荷时间11:0012:0013:0014;0015:0016:0017:0018:0019:0020:0021:00tc()29.930.831.531.932.232.232.031.630.829.929.1td-425.926.827.527.928.228.228.027.626.825.925.1tR25t0.91.82.52.93.23.23.02.61.80.90.1Kw3.011.2Aw76.22Qc()0.250.500.690.800.880.880.830.720.500.250.03 东外窗双层刚窗。查暖通空调附录2-13双层3mm普通玻璃Cs=0.86。查附录2-14中间色Ci=0.60。并由附录2-15得Ca=0.75。由附录2-12呼和浩特地处北纬40,东向EDjmax=599 Qc()=Ca Aw Cs Ci Djmax CLQ Aw窗口面积m Ca有效面积系数 CLQ窗玻璃冷负荷系数 Cs窗玻璃遮阳系数 Ci窗内遮阳设施遮阳系数东外窗日射得热冷负荷时间11:0012:0013:0014;0015:0016:0017:0018:0019:0020:0021:00CLQ0.380.240.240.230.210.180.150.110.080.070.07Djmax599Ccs0.387Aw76.22Qc()6.714.244.244.063.713.182.651.941.411.241.24二层广告窗。单层6 mm厚普通玻璃。查暖通空调附录2-7得Kw=5.94。查暖通空调附录2-11,呼和浩特地点修正td=-4。并又附录2-10查得tc()。北外窗瞬时得热冷负荷时间11:0012:0013:0014;0015:0016:0017:0018:0019:0020:0021:00tc()29.930.831.531.932.232.232.031.630.829.929.1td-425.926.827.527.928.228.228.027.626.825.925.1tR25t0.91.82.52.93.23.23.02.61.80.90.1Kw5.94Aw73.69Qc()0.390.791.091.271.401.401.311.140.790.390.04A=（4.532+2.59+10.08）3.97=73.69单层6 mm厚普通玻璃。由暖通空调附录2-13查得Cs=0.89。查附录2-14中间色Ci=0.60北外窗日射得热时间11:0012:0013:0014;0015:0016:0017:0018:0019:0020:0021:00CLQ0.810.830.830.790.710.600.610.680.170.160.15Djmax114Ccs0.534Aw73.69Qc()3.633.723.723.543.192.692.743.050.760.720.67西外窗瞬时得热冷负荷时间11:0012:0013:0014;0015:0016:0017:0018:0019:0020:0021:00tc()29.930.831.531.932.232.232.031.630.829.929.1td-425.926.827.527.928.228.228.027.626.825.925.1tR25t0.91.82.52.93.23.23.02.61.80.90.1Kw5.94Aw160.70Qc()0.861.722.392.773.053.052.862.481.720.860.09Ac-11=2.83.97=11.116 mAc-8=20.783.97=82.89 mAw=11.1167+82.89 =160.70 m西外窗日射得热时间11:0012:0013:0014;0015:0016:0017:0018:0019:0020:0021:00CLQ0.190.200.340.560.720.830.770.530.110.100.09Djmax599Ccs0.387Aw160.70Qc()9.7710.2817.4828.7937.0042.6639.5827.2456.5457.4046.26西南窗瞬时得热时间11:0012:0013:0014;0015:0016:0017:0018:0019:0020:0021:00tc()29.930.831.531.932.232.232.031.630.829.929.1td-425.926.827.527.928.228.228.027.626.825.925.1tR25t0.91.82.52.93.23.23.02.61.80.90.1Kw3.01Aw58.36Qc()0.190.380.530.616.746.740.630.550.380.190.02Ac-16=1.23.97=4.764 mAc-15=1.153.97=4.57 mAc-14=3.83.97=15.09 mAw=4.764+4.572+15.092=58.36 m西南窗日射得热时间11:0012:0013:0014;0015:0016:0017:0018:0019:0020:0021:00CLQ0.230.380.580.730.630.790.590.370.110.100.10Djmax477Ccs0.387Aw58.36Qc()2.484.096.257.866.798.516.363.991.191.081.08人员：商场属于轻级劳动。查空气调节设计手册表2-47，当室温为25时，每人散发的显热qs=64，潜热为qL=117。由表2-46查得群集系数=0.89。查空气调节设计手册表2-45，人员进入室内4小时，CLQ=0.66。按每0.5人/m。概算如下：Qc()=qs n CLQ=64807.590.890.66=30.36KWQc()= qL n =1170.89807.59=84.09KWQc=Qc()+Qc()=30360.22+84094.35=114.45KW照明：商场照明查暖通空调设计手册取20W/m。并由暖通空调设计手册表2-44查得CLQ。 Qc()=1000n1n2NCLQ N灯具散热形成的冷负荷W/m n1镇流器消耗功率系数。镇流器设在顶棚内n1=1.0。 n2灯罩隔热系数。可利用自然通风n2=0.5。 CLQ照明散热冷负荷系数照明散热形成冷负荷时间11:0012:0013:0014;0015:0016:0017:0018:0019:0020:0021:00CLQ0.690.860.890.900.910.910.920.930.940.950.95n11.0n20.5N32.30Qc()11.1413.4114.3714.5414.7014.7014.8615.0215.1815.3415.34二层各部分项逐时冷负荷汇总表时间11:0012:0013:0014;0015:0016:0017:0018:0019:0020:0021:00东外墙1.021.021.061.151.251.361.471.551.641.701.74北外墙0.0400.060.050.050.060.070.080.090.110.13西南外墙0.620.570.530.530.480.470.480.510.570.630.71东南外墙-0.04-0.010.030.090.150.220.320.410.570.710.72东窗瞬时0.250.500.690.800.880.880.830.720.500.250.03东窗日射6.714.244.244.063.713.182.651.941.411.241.24北窗瞬时0.91.82.52.93.23.23.02.61.80.90.1北窗日射3.633.723.723.543.192.692.743.050.760.720.67西窗瞬时0.861.722.392.773.053.052.862.481.720.860.09西窗日射9.7710.2817.4828.7937.0042.6639.5827.2456.5457.4046.26西南瞬时0.190.380.530.616.746.740.630.550.380.190.02西南日射2.484.096.257.866.798.516.363.991.191.081.08照明11.1413.4114.3714.5414.7014.7014.8615.0215.1815.3415.34人员114.45总计151.52155.15166.91180.52193.87200.38188.60173.14144.89142.81140.90二层人员湿负荷： Wr=（1/1000）n Wr人体湿负荷K/h n室内人员总数 群集系数=0.89。查空气调节设计手册表2-45得 每名成年男子的散湿量，查空气调节设计手册表2-47，=175 Wr=（1/1000）n =（1/1000）807.590.89175 =125.78K/h三层冷负荷计算东外墙：东外墙皆为I