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负荷计算与设备选型实例

2022-01-16 来源:好走旅游网
1.屋顶冷负荷时间6:007:00tc(t)37.135.5td0.4ka1kp0.97t'c(t)36.37534.823tr26K0.73A24.12Q182.6789155.35194.西北外墙冷负荷时间6:007:00tc(t)36.135.8td1ka1kp0.97t'c(t)35.98735.696tr26dt9.9879.696K1.1A3.24Q35.5936734.556544.西南外墙冷负荷时间6:007:00tc(t)37.937.5td0.6ka1kp0.97t'c(t)37.34536.957tr26dt11.34510.957K1.1A9Q112.3155108.47436.西南外窗冷负荷(1) 瞬时传热冷负荷时间6:007:00tc(t)25.426td1tc(t)+td26.427tr26dt0.41Kw5.07Aw4.68Qw9.4910423.7276(2) 透入日射得热冷负荷

8:0034.19:0033.110:0032.711:00

3312:00

3413:0035.8

33.46532.49532.10732.39833.36835.114

131.4407114.3614107.5296112.6534129.7328160.4757

8:0035.4

9:0035.1

10:0034.7

11:0034.3

12:0033.9

13:0033.6

35.3089.308

35.0179.017

34.6298.629

34.2418.241

33.8537.853

33.5627.562

33.1737132.1365930.7537629.3709227.9880926.95097

8:0037.1

9:0036.6

10:0036.1

11:0035.7

12:0035.2

13:0034.9

36.56910.569

36.08410.084

35.5999.599

35.2119.211

34.7268.726

34.4358.435

104.633199.831695.030191.188986.387483.5065

8:0026.927.91.9

9:0027.928.92.9

10:00

29

304

11:0029.930.94.9

12:0030.831.85.8

13:0031.532.56.5

45.0824468.8100494.9104116.2652137.6201154.2294

时间6:007:00Clq0.090.13Djmax460Ca0.85Cs1Cn0.6Aw4.68Qw98.81352142.73067.人员散热的冷负荷时间6:007:00Clq0.910.92qs60.5n2Q0.93Qc(t)102.4023103.5276ql73.3Qc136.338136.338合计238.7403239.86568.照明冷负荷时间6:007:00Clq0.260.23n11.2n20.6N240Q44.92839.7449.冷负荷汇总时间6:007:00西北外墙35.5936734.55654西南外墙112.3155108.4743屋顶182.6789155.3519西南外窗传热9.4910423.7276西南外窗日射98.81352142.7306人员238.7403239.8656灯光44.92839.744

3.4285712.742857

总计725.9894747.1934

8:00

0.179:000.210:000.2311:000.2812:000.3813:000.58

186.6478219.5856252.5234307.4198417.2126636.7982

8:000.45

9:000.36

10:000.3

11:000.25

12:000.21

13:000.19

50.638540.5108136.338136.338186.9765176.8488

8:000.2

9:000.19

33.75928.132523.631321.3807

136.338136.338136.338136.338170.097164.4705159.9693157.718710:000.17

11:000.15

12:000.14

13:000.12

34.568:0033.17371104.6331131.440745.08244186.6478186.9765

34.562.4724.9142

32.8329:0032.1365999.8316114.361468.81004219.5856176.848832.8322.057143746.4631

29.37610:0030.7537695.0301107.529694.9104252.5234170.09729.3762.057143782.2775

25.9211:0029.3709291.1889112.6534116.2652307.4198164.470525.921.714286849.0031

24.19212:0027.9880986.3874129.7328137.6201417.2126159.969324.1921.371429984.4737

20.73613:0026.9509783.5065160.4757154.2294636.7982157.718720.7361.3714291241.787

设备负荷时间6:007:00Clq0.10.08n10.7n21n30.6效率0.98N80Q3.4285712.742857

8:00

0.079:000.0610:000.0611:000.0512:000.0413:000.04

2.42.0571432.0571431.7142861.3714291.371429

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*20.931095.64E-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

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

热湿比25319.13

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K(W/m2.c)℃℃

2 ta ta-tm a Q名称及方向 面积㎡K(W/m.c) tom

屋顶负荷24.120.7322-11331581.0508西南外墙负荷91.122-11331326.7西南外窗负荷4.685.0722-11331783.0108

围护结构

朝向修正率

0

-0.1

-0.1

14:0038.115:0040.716:0043.517:0046.118:0048.319:0049.920:0050.821:0050.922:0050.3

37.34539.86742.58345.10547.23948.79149.66449.76149.179

199.7582244.1646291.9868336.3932373.9678401.2948416.6662418.3742408.1266

14:0033.4

15:0033.2

16:0033.2

17:0033.2

18:0033.3

19:0033.5

20:0033.9

21:0034.4

22:0035

33.3687.368

33.1747.174

33.1747.174

33.1747.174

33.2717.271

33.4657.465

33.8537.853

34.3388.338

34.928.92

26.2595525.5681425.5681425.5681425.9138426.6052627.9880929.7166331.79088

14:0034.6

15:0034.4

16:0034.3

17:0034.4

18:0034.7

19:0035.2

20:0035.8

21:0036.5

22:0037.2

34.1448.144

33.957.95

33.8537.853

33.957.95

34.2418.241

34.7268.726

35.3089.308

35.9879.987

36.66610.666

80.625678.70577.744778.70581.585986.387492.149298.8713105.5934

14:0031.932.96.9

15:0032.233.27.2

16:0032.233.27.2

17:0032337

18:0031.632.66.6

19:0030.831.85.8

20:0029.930.94.9

21:0029.130.14.1

22:0028.429.43.4

163.7204170.8387170.8387166.0932156.6022137.6201116.265297.2831680.67384

14:000.7315:000.8416:000.7917:000.5918:000.3719:000.1120:000.121:000.122:000.09

801.4874922.2595867.3631647.7775406.2334120.7721109.7928109.792898.81352

14:000.16

15:000.14

16:000.12

17:000.11

18:000.09

19:000.08

20:000.55

21:000.64

22:000.7

18.004815.754213.503612.378310.12779.002461.891572.019278.771136.338215.10922:000.76

136.338136.338136.338136.338136.338136.338136.338136.338154.3428152.0922149.8416148.7163146.4657145.3404198.2295208.3572

14:000.11

15:000.1

16:000.09

17:000.08

18:000.37

19:000.67

20:000.71

21:000.74

19.00814:0026.2595580.6256199.7582163.7204801.4874154.342819.0081.0285711446.231

17.2815:0025.5681478.705244.1646170.8387922.2595152.0922

17.281.0285711611.937

15.55216:0025.5681477.7447291.9868170.8387867.3631149.841615.5521.0285711599.924

13.82417:0025.5681478.705336.3932166.0932647.7775148.716313.8240.6857141417.763

63.93618:0025.9138481.5859373.9678156.6022406.2334146.465763.93619.542861274.248

115.77619:0026.6052686.3874401.2948137.6201120.7721145.3404115.77622.285711056.082

122.68820:0027.9880992.1492416.6662116.2652109.7928198.2295122.68824.342861108.122

127.87221:0029.7166398.8713418.374297.28316109.7928208.3572127.87226.057141116.324

131.32822:0031.79088105.5934408.126680.6738498.81352215.109131.32827.085711098.521

14:000.0315:000.0316:000.0317:000.0218:000.5719:000.6520:000.7121:000.7622:000.79

1.0285711.0285711.0285710.68571419.5428622.2857124.3428626.0571427.08571

耗热量修正

风力附加外门开启附加 修正值0

0

000.9000.9修正后的热量 高度附加1

581.0508

294.03704.7097房间热负荷

修正后的热量

0

581.0508

0294.03

0704.7097998.7397

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