暖通负荷计算与设备选型实例
1.屋顶冷负荷
时间6:007:008:009:0010:0011:0012:0013:00 tc(t)37.135.534.133.132.7333435.8 td0.4
ka1
kp0.97
t'c(t)36.37534.82333.46532.49532.10732.39833.36835.114 tr26
K0.73
A24.12
Q182.6789155.3519131.4407114.3614107.5296112.6534129.7328160.4757 4.西北外墙冷负荷
时间6:007:008:009:0010:0011:0012:0013:00 tc(t)36.135.835.435.134.734.333.933.6 td1
ka1
kp0.97
t'c(t)35.98735.69635.30835.01734.62934.24133.85333.562 tr26
dt9.9879.6969.3089.0178.6298.2417.8537.562 K 1.1
A 3.24
Q35.5936734.5565433.1737132.1365930.7537629.3709227.9880926.95097 4.西南外墙冷负荷
时间6:007:008:009:0010:0011:0012:0013:00 tc(t)37.937.537.136.636.135.735.234.9 td0.6
ka1
kp0.97
t'c(t)37.34536.95736.56936.08435.59935.21134.72634.435 tr26
dt11.34510.95710.56910.0849.5999.2118.7268.435 K 1.1
A9
Q112.3155108.4743104.633199.831695.030191.188986.387483.5065 6.西南外窗冷负荷
(1) 瞬时传热冷负荷
时间6:007:008:009:0010:0011:0012:0013:00 tc(t)25.42626.927.92929.930.831.5 td1
tc(t)+td26.42727.928.93030.931.832.5 tr26
dt0.41 1.9 2.94 4.9 5.8 6.5 Kw 5.07
Aw 4.68
Qw9.4910423.727645.0824468.8100494.9104116.2652137.6201154.2294 (2) 透入日射得热冷负荷
时间6:007:008:009:0010:0011:0012:0013:00 Clq0.090.130.170.20.230.280.380.58 Djmax460
Ca0.85
Cs1
Cn0.6
Aw 4.68
Qw98.81352142.7306186.6478219.5856252.5234307.4198417.2126636.7982 7.人员散热的冷负荷
时间6:007:008:009:0010:0011:0012:0013:00 Clq0.910.920.450.360.30.250.210.19 qs60.5
n2
Q0.93
Qc(t)102.4023103.527650.638540.510833.75928.132523.631321.3807 ql73.3
Qc136.338136.338136.338136.338136.338136.338136.338136.338合计238.7403239.8656186.9765176.8488170.097164.4705159.9693157.7187 8.照明冷负荷
时间6:007:008:009:0010:0011:0012:0013:00 Clq0.260.230.20.190.170.150.140.12 n1 1.2
n20.6
N240
Q44.92839.74434.5632.83229.37625.9224.19220.736 9.冷负荷汇总
时间6:007:008:009:0010:0011:0012:0013:00西北外墙35.5936734.5565433.1737132.1365930.7537629.3709227.9880926.95097西南外墙112.3155108.4743104.633199.831695.030191.188986.387483.5065屋顶182.6789155.3519131.4407114.3614107.5296112.6534129.7328160.4757西南外窗传热9.4910423.727645.0824468.8100494.9104116.2652137.6201154.2294
98.81352142.7306186.6478219.5856252.5234307.4198417.2126636.7982西南外窗日射
人员238.7403239.8656186.9765176.8488170.097164.4705159.9693157.7187灯光44.92839.74434.5632.83229.37625.9224.19220.736
3.428571 2.742857 2.42.057143 2.057143 1.714286 1.371429 1.371429总计725.9894747.193472
4.9142746.4631782.2775849.0031984.47371241.787
设备负荷
时间6:007:008:009:0010:0011:0012:0013:00 Clq0.10.080.070.060.060.050.040.04 n10.7
n21
n30.6
效率0.98
Ｎ80
Ｑ 3.428571 2.742857 2.42.057143 2.057143 1.714286 1.371429 1.371429
湿负荷
公式参数湿负荷（kg/湿负荷（g/s)m=0.278n*q*n-人数q-群集系数g-每小时散湿量
人体湿负荷m=0.278n*q*20.93109 5.64E-05
w单位水面蒸A 面积
敞开水表面湿m=0.278w*a*0.370.0717.3E-06
总的湿负荷6.37E-05
热湿比25319.13
K(W/m2.c)℃℃
K(W/m 2.c) t om
t a t a -t m a Q 朝向修正率
屋顶负荷24.120.7322-11331581.05080
西南外墙负荷9 1.122-11331326.7-0.1
西南外窗负荷 4.68 5.0722-********.0108
-0.1
名称及方向 面积㎡由于敞开水表面的湿负荷相对人员湿负荷很小 可以忽略不计
围护结构
传热系数室内计算温度室外计算温度室内外温差温差修正系数基本耗热量耗
14:0015:0016:0017:0018:0019:0020:0021:0022:00
38.140.743.546.148.349.950.850.950.3
37.34539.86742.58345.10547.23948.79149.66449.76149.179
199.7582244.1646291.9868336.3932373.9678401.2948416.6662418.3742408.1266 14:0015:0016:0017:0018:0019:0020:0021:0022:00
33.433.233.233.233.333.533.934.435
33.36833.17433.17433.17433.27133.46533.85334.33834.92
7.3687.1747.1747.1747.2717.4657.8538.3388.92
26.2595525.5681425.5681425.5681425.9138426.6052627.9880929.7166331.79088
14:0015:0016:0017:0018:0019:0020:0021:0022:00
34.634.434.334.434.735.235.836.537.2
34.14433.9533.85333.9534.24134.72635.30835.98736.666
8.1447.957.8537.958.2418.7269.3089.98710.666
80.625678.70577.744778.70581.585986.387492.149298.8713105.5934
14:0015:0016:0017:0018:0019:0020:0021:0022:00
31.932.232.23231.630.829.929.128.4
32.933.233.23332.631.830.930.129.4
6.9
7.27.27 6.6 5.8 4.9 4.1 3.4
163.7204170.8387170.8387166.0932156.6022137.6201116.265297.2831680.67384
14:0015:0016:0017:0018:0019:0020:0021:0022:00
0.730.840.790.590.370.110.10.10.09
801.4874922.2595867.3631647.7775406.2334120.7721109.7928109.792898.81352 14:0015:0016:0017:0018:0019:0020:0021:0022:00
0.160.140.120.110.090.080.550.640.7
18.004815.754213.503612.378310.12779.002461.891572.019278.771 136.338136.338136.338136.338136.338136.338136.338136.338136.338 154.3428152.0922149.8416148.7163146.4657145.3404198.2295208.3572215.109 14:0015:0016:0017:0018:0019:0020:0021:0022:00
0.110.10.090.080.370.670.710.740.76
19.00817.2815.55213.82463.936115.776122.688127.872131.328
14:0015:0016:0017:0018:0019:0020:0021:0022:00 26.2595525.5681425.5681425.5681425.9138426.6052627.9880929.7166331.79088 80.625678.70577.744778.70581.585986.387492.149298.8713105.5934 199.7582244.1646291.9868336.3932373.9678401.2948416.6662418.3742408.1266 163.7204170.8387170.8387166.0932156.6022137.6201116.265297.2831680.67384 801.4874922.2595867.3631647.7775406.2334120.7721109.7928109.792898.81352 154.3428152.0922149.8416148.7163146.4657145.3404198.2295208.3572215.109
19.00817.2815.55213.82463.936115.776122.688127.872131.328 1.028571 1.028571 1.0285710.68571419.5428622.2857124.3428626.0571427.08571 1446.2311611.9371599.9241417.7631274.2481056.0821108.1221116.3241098.521 14:0015:0016:0017:0018:0019:0020:0021:0022:00
0.030.030.030.020.570.650.710.760.79
1.028571 1.028571 1.0285710.68571419.542862
2.2857124.3428626.0571427.08571
房间热负荷耗热量修正
风力附加外门开启附加 修正值修正后的热量 高度附加修正后的热量
001581.05080581.0508 000.9294.030294.03
000.9704.70970704.7097998.7397