建筑物維護(hù)結(jié)構(gòu)各部分的面積如下

1、.：.；空調(diào)課程設(shè)計計算書建筑物維護(hù)構(gòu)造各部分的面積如下：屋面：大會議室622.8m2，小會議室：246.63 m2，走廊93.42 m2。 地面：大會議室622.8m2，小會議室：246.63 m2，走廊93.42 m2。外墻:大會議室南墻124.8 m2，北墻124.8 m2；小會議室南墻51.17 m2，東墻97.42 m2，北墻51.17 m2。窗：大會議室南窗25.2 m2，北窗25.2 m2，小會議室南窗10.08 m2，東窗10.08 m2，北窗10.08 m2。夏季冷負(fù)荷計算外墻冷負(fù)荷(注：計算中的表均)由表3-1序號2查得墻的類型屬II型，傳熱系數(shù)K=1.50W/ (m2)，

2、由表3-3查得不同朝向的tl值。由表3-5查得修正值,南墻td=1.0，東墻td=2.1，北墻td=2.7。按各朝向外墻面積計算出的外墻逐時冷負(fù)荷如表1所示。計算式為：CL=FK(tl+td-tn) 表1夏季圍護(hù)構(gòu)造冷負(fù)荷單位均為國際單位大會議室朝向分項時辰7:008:009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:00南tl3534.634.233.933.533.232.932.832.933.133.433.934.4td1111111111111K1.51.51.51.51.51.51.51.51.51.51.51.51.5F

3、124.8124.8124.8124.8124.8124.8124.8124.8124.8124.8124.8124.8124.8tl+td-tn87.67.26.96.56.25.95.85.96.16.46.97.4FK(tl+td-tn)1497.61422.721347.841291.681216.81160.641104.481085.761104.481141.921198.081291.685.28北tl32.632.332.131.831.631.431.331.231.231.331.431.631.8td2.72.72.72.72.72.72.72.72.72.72.72.

4、72.7K1.51.51.51.51.51.51.51.51.51.51.51.51.5F124.8124.8124.8124.8124.8124.8124.8124.8124.8124.8124.8124.8124.8tl+td-tn7.376.86.56.36.165.95.966.16.36.5FK(tl+td-tn)6.561310.41272.961216.81179.361141.921123.21104.481104.481123.21141.921179.361216.8大會議室地面F622.8622.8622.8622.8622.8622.8622.8622.8622.862

5、2.8622.8622.8622.8Q15151515151515151515151515FQ9342934293429342934293429342934293429342934293429342總墻Q/W12206.1612075.1211962.811850.4811738.1611644.5611569.6811532.2411550.9611607.121168211813.0411944.08小會議室南tl3534.634.233.933.533.232.932.832.933.133.433.934.4td1111111111111K1.51.51.51.51.51.51.51.

6、51.51.51.51.51.5F51.1751.1751.1751.1751.1751.1751.1751.1751.1751.1751.1751.1751.17tl+td-tn87.67.26.96.56.25.95.85.96.16.46.97.4FK(tl+td-tn)614.04583.338552.636529.6095498.9075475.881452.8545445.179452.8545468.2055491.232529.6095567.987北tl32.632.332.131.831.631.431.331.231.231.331.431.631.8td2.72.72.

7、72.72.72.72.72.72.72.72.72.72.7K1.51.51.51.51.51.51.51.51.51.51.51.51.5F51.1751.1751.1751.1751.1751.1751.1751.1751.1751.1751.1751.1751.17tl+td-tn7.376.86.56.36.165.95.966.16.36.5FK(tl+td-tn)560.3115537.285521.934498.9075483.5565468.2055460.53452.8545452.8545460.53468.2055483.5565498.9075東tl36.43635.

8、535.2353535.235.636.136.637.137.537.9td2.12.12.12.12.12.12.12.12.12.12.12.12.1K1.51.51.51.51.51.51.51.51.51.51.51.51.5F97.4297.4297.4297.4297.4297.4297.4297.4297.4297.4297.4297.4297.42tl+td-tn10.510.19.69.39.19.19.39.710.210.711.211.612FK(tl+td-tn)1534.3651475.9131402.8489.0091329.7831329.7839.00914

9、17.4611490.5261563.5911636.6561695.1081753.56總外墻Q/W2708.7172596.5362477.4182387.5262312.2472273.872272.3942315.4952396.2352492.3272596.0942708.2742820.455屋面冷負(fù)荷(注：計算中的表均)屋面根據(jù)其構(gòu)造，由表3-2序號2查得屋面屬III型，K=0.97 W/ (m2)。再由表3-4查得III型的屋面冷負(fù)荷計算溫度tl。計算公式：CL=KF(tl-tn)計算所得的屋面逐時冷負(fù)荷如表2所示。 表2屋面冷負(fù)荷單位均為國際單位分項時辰大會議室7:008:

10、009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:00tl35.534.133.132.7333435.838.140.743.546.148.349.9tl-tn7.56.15.14.7567.810.112.715.518.120.321.9F622.8622.8622.8622.8622.8622.8622.8622.8622.8622.8622.8622.8622.8K0.970.970.970.970.970.970.970.970.970.970.970.970.97CL4530.873685.1083080.9922839

11、.3453020.583624.6964712.1056101.5727672.2739363.79810934.512263.5513230.14小會議室分項tl35.534.133.132.7333435.838.140.743.546.148.349.9tl-tn7.56.15.14.7567.810.112.715.518.120.321.9F246.63246.63246.63246.63246.63246.63246.63246.63246.63246.63246.63246.63246.63K0.970.970.970.970.970.970.970.970.970.970.97

12、0.970.97CL1794.2331459.311220.0791124.3861196.1561435.3871866.0032416.2343038.2353708.0824330.0834856.3915239.161玻璃窗瞬變傳熱引起的冷負(fù)荷(注：計算中的表均)該建筑的外窗為雙層鋼窗，這種窗在n=8.7 W/ (m2)w=18.6 W/ (m2)及表3-9查得外窗的傳熱系數(shù)K=3.01 W/ (m2)，由表3-10中查得玻璃窗傳熱系數(shù)修正系數(shù)為1.2，并且雙層玻璃窗的傳熱系數(shù)應(yīng)減小15%，K=3.01*1.2*0.85=3.0702 W/ (m2)。由表3-11查得窗玻璃的逐時冷負(fù)荷

13、計算溫度值tL。 計算公式：CL=KF(tL-tN) 計算玻璃窗瞬變傳熱引起的冷負(fù)荷如表3所示。 表3玻璃窗瞬變傳熱引起的冷負(fù)荷單位均為國際單位時辰大會議室分項7:008:009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:00tl26.0 26.9 27.9 29.0 29.9 30.8 31.5 31.9 32.2 32.2 32.0 31.6 30.8 td3333333333333tl+td-tn1.0 1.9 2.9 4.0 4.9 5.8 6.5 6.9 7.2 7.2 7.0 6.6 5.8 F50.450.450.450.

14、450.450.450.450.450.450.450.450.450.4K3.07023.07023.07023.07023.07023.07023.07023.07023.07023.07023.07023.07023.0702CL=FK(tL+td-tn)154.7381294.0024448.7404618.9523758.2166897.48091005.7981067.6931114.1141114.1141083.1671021.271897.4809小會議室tl26.0 26.9 27.9 29.0 29.9 30.8 31.5 31.9 32.2 32.2 32.0 31.6

15、 30.8 td3333333333333tl+td-tn1.0 1.9 2.9 4.0 4.9 5.8 6.5 6.9 7.2 7.2 7.0 6.6 5.8 F30.2430.2430.2430.2430.2430.2430.2430.2430.2430.2430.2430.2430.24K3.07023.07023.07023.07023.07023.07023.07023.07023.07023.07023.07023.07023.0702CL=FK(tl+td-tn)92.84285176.4014269.2443371.3714454.93538.4885603.4785640.6

16、157668.4685668.4685649.8999612.7628538.4885透過玻璃窗進(jìn)入的日射得熱引起的冷負(fù)荷(注：計算中的表均)計算式為：CL=FCzDj,maxCCL 由表2-4查得雙層鋼窗的有效面積系數(shù)值為0.75，故在計算式中各朝向的窗口面積均乘以0.75，得出窗玻璃的凈面積F代入計算式。由表2-2查得CS=0.86，有淺綠色窗簾內(nèi)遮陽系數(shù)CN=0.60，那么Cz=CSCN=0.516。因南京的地理緯度為32，屬30緯度帶。由表2-1查得Dj,max值。因南京處27.5以北，屬北區(qū)，各朝向有內(nèi)遮陽的CCL值由表2-6查得。計算透過玻璃進(jìn)入的日射得熱引起的冷負(fù)荷如表4所示。

17、表4透過玻璃窗進(jìn)入的日射得熱引起的冷負(fù)荷單位均為國際單位大會議室7:008:009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:00南F18.918.918.918.918.918.918.918.918.918.918.918.918.9Cz0.5160.5160.5160.5160.5160.5160.5160.5160.5160.5160.5160.5160.516Dj,max173173173173173173173173173173173173173CCL0.180.260.40.580.720.840.80.620.450.3

18、20.240.160.1CL303.6897438.663674.8661978.55581214.7591417.2191349.7321046.042759.2243539.8929404.9196269.9464168.7165北F18.918.918.918.918.918.918.918.918.918.918.918.918.9Cz0.5160.5160.5160.5160.5160.5160.5160.5160.5160.5160.5160.5160.516Dj,max115115115115115115115115115115115115115CCL0.540.540.650.

19、750.810.830.830.790.710.60.610.680.17CL605.624605.624728.9919841.1445908.4361930.8666930.8666886.0055796.2835672.9156684.1309762.6377190.6594各方向CL總和909.31044.2871403.8581819.72123.1952348.0852280.5991932.0481555.5081212.8081089.0511032.584359.3759小會議室南F7.567.567.567.567.567.567.567.567.567.567.567.5

20、67.56Cz0.5160.5160.5160.5160.5160.5160.5160.5160.5160.5160.5160.5160.516Dj,max173173173173173173173173173173173173173CCL0.180.260.40.580.720.840.80.620.450.320.240.160.1CL121.4759175.4652269.9464391.4223485.9036566.8875539.8929418.417303.6897215.9571161.9679107.978667.48661北F7.567.567.567.567.567.56

21、7.567.567.567.567.567.567.56Cz0.5160.5160.5160.5160.5160.5160.5160.5160.5160.5160.5160.5160.516Dj,max115115115115115115115115115115115115115CCL0.540.540.650.750.810.830.830.790.710.60.610.680.17CL242.2496242.2496291.5968336.4578363.3744372.3466372.3466354.4022318.5134269.1662273.6523305.055176.26377

22、東F7.567.567.567.567.567.567.567.567.567.567.567.567.56Cz0.5160.5160.5160.5160.5160.5160.5160.5160.5160.5160.5160.5160.516Dj,max538538538538538538538538538538538538538CCL0.680.820.790.590.380.240.240.230.210.180.150.110.08CL1427.1271720.9481657.9861238.243797.5123503.692503.692482.7048440.7305377.769

23、314.8075230.8588167.8973各方向CL總和1790.8532.6622219.5291966.1231646.791442.9261415.9311255.5241062.934862.8924750.4277643.8925311.6477(五)人員散熱引起的冷負(fù)荷(注：計算中的表均)大會議室500人，小會議室200人。人員在室內(nèi)時間從早上8點到中午12點及下午14點到18點。開會屬勞動中的靜坐類型，查表4-3當(dāng)室內(nèi)溫度為28度時，人的顯熱和潛熱為53和55W。參考表4-4，取群集系數(shù)為n1=0.96計算式為CL=QSn1CCL 人體顯熱散熱冷負(fù)荷而人體潛熱引起的冷負(fù)荷那

24、么為潛熱散熱量乘以群集系數(shù)。這兩個會議室在夜間停頓供冷，那么人體散熱引起的冷負(fù)荷系數(shù)應(yīng)取CCL=1.0表4-4闡明大會議室：QS=500*53=26500W QL=500*55=27500W；小會議室：QS=200*53=10600W QL=200*55=11000W；計算人員散熱引起的冷負(fù)荷如表5所示。 表5人員散熱引起的冷負(fù)荷分項時辰7:008:009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:00大會議室Ccl1111111111111顯熱負(fù)荷CL1=Qs*n1*Ccl2544025440254402544025440254402

25、5440254402544025440254402544025440潛熱負(fù)荷CL2=Ql*n1002640026400264002640026400264002640026400264002640026400CL1+CL225440254405184051840518405184051840518405184051840518405184051840小會議室Ccl1111111111111顯熱負(fù)荷CL1=Qs*n1*Ccl10176101761017610176101761017610176101761017610176101761017610176潛熱負(fù)荷CL2=Ql*n1001056010

26、560105601056010560105601056010560105601056010560CL1+CL210176101762073620736207362073620736207362073620736207362073620736(六)照明散熱引起的冷負(fù)荷(注：計算中的表均)對于熒光燈計算式為：CL=860n1n2NCCL本設(shè)計采用暗裝熒光燈鎮(zhèn)流器裝設(shè)在頂棚內(nèi)，n1=1.0。且熒光燈罩無通風(fēng)孔，取n2=0.7。大會議室N=1.5KW，小會議室N=0.6KW。會議室空調(diào)設(shè)備運轉(zhuǎn)時間為12小時，開燈時數(shù)為十小時，由表4-1查得照明散熱冷負(fù)荷系數(shù)CCL值。計算照明散熱引起的冷負(fù)荷如表6所示

27、。 表6照明散熱構(gòu)成的冷負(fù)荷分項時辰7:008:009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:00大會議室Ccl0.690.690.860.890.90.910.910.920.930.940.950.950.5CL=860*n1*n2*N*Ccl623.07623.07776.58803.67812.7821.73821.73830.76839.79848.82857.85857.85451.5小會議室Ccl0.690.690.860.890.90.910.910.920.930.940.950.950.5CL=860*n1*n2

28、*N*Ccl249.228249.228310.632321.468325.08328.692328.692332.304335.916339.528343.14343.14180.6七兩會議室間的走廊冷負(fù)荷走廊冷負(fù)荷計算中的tl，td，以及墻的和窗的傳熱系數(shù)K值與上邊大小會議室的一樣，門的傳熱系數(shù)由查得K=2.33 W/ (m2), tn由查得。走廊冷負(fù)荷計算如表7所示 表7兩會議室間的走廊冷負(fù)荷分項時辰7:008:009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:00南墻tl3534.634.233.933.533.232.932.

29、832.933.133.433.934.4td1111111111111K1.51.51.51.51.51.51.51.51.51.51.51.51.5F17.4617.4617.4617.4617.4617.4617.4617.4617.4617.4617.4617.4617.46tl+td-tn43.63.22.92.52.21.91.81.92.12.42.93.4FK(tl+td-tn)104.7694.28483.80875.95165.47557.61849.76147.14249.76154.99962.85675.95189.046南窗瞬時得熱t(yī)l26.0 26.9 27.9

30、29.0 29.9 30.8 31.5 31.9 32.2 32.2 32.0 31.6 30.8 td3333333333333tl+td-tn-3.0 -2.1 -1.1 0.0 0.9 1.8 2.5 2.9 3.2 3.2 3.0 2.6 1.8 F5.045.045.045.045.045.045.045.045.045.045.045.045.04K3.07023.07023.07023.07023.07023.07023.07023.07023.07023.07023.07023.07023.0702CL=FK(tl+td-tn)-46.4214-32.495-17.021201

31、3.9264327.8528538.6845244.8740449.5161949.5161946.4214240.231927.85285日射得熱F3.783.783.783.783.783.783.783.783.783.783.783.783.78Cz0.5160.5160.5160.5160.5160.5160.5160.5160.5160.5160.5160.5160.516Dj,max173173173173173173173173173173173173173Ccl0.180.260.40.580.720.840.80.620.450.320.240.160.1CL60.7379

32、587.73259134.9732195.7112242.9518283.4438269.9464209.2085151.8449107.978680.9839353.9892933.7433北墻tl32.632.332.131.831.631.431.331.231.231.331.431.631.8td2.72.72.72.72.72.72.72.72.72.72.72.72.7K1.51.51.51.51.51.51.51.51.51.51.51.51.5F16.0216.0216.0216.0216.0216.0216.0216.0216.0216.0216.0216.0216.02t

33、l+td-tn3.332.82.52.32.121.91.922.12.32.5FK(tl+td-tn)79.29972.0967.28460.07555.26950.46348.0645.65745.65748.0650.46355.26960.075北門tl32.632.332.131.831.631.431.331.231.231.331.431.631.8td2.72.72.72.72.72.72.72.72.72.72.72.72.7K2.332.332.332.332.332.332.332.332.332.332.332.332.33F16.0216.0216.0216.0216

34、.0216.0216.0216.0216.0216.0216.0216.0216.02tl+td-tn3.332.82.52.32.121.91.922.12.32.5FK(tl+td-tn)123.1778111.9798104.514593.316585.8511878.3858674.653270.9205470.9205474.653278.3858685.8511893.3165走廊總負(fù)荷Q321.5533333.5914373.5585425.0537463.4734497.7635481.1052417.8021367.6996335.207319.1102311.2924304

35、.0337八各項冷負(fù)荷匯總以上各項冷負(fù)荷聚集在一同，如表8所示。 表8各項冷負(fù)荷匯總分項時辰7:008:009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:00大會議室外墻負(fù)荷12206.1612075.1211962.811850.4811738.1611644.5611569.6811532.2411550.9611607.121168211813.0411944.08屋面負(fù)荷4530.873685.1083080.9922839.3453020.583624.6964712.1056101.5727672.2739363.79810

36、934.512263.5513230.14窗傳熱負(fù)荷154.7381294.0024448.7404618.9523758.2166897.48091005.7981067.6931114.1141114.1141083.1671021.271897.4809窗日射負(fù)荷909.31044.2871403.8581819.72123.1952348.0852280.5991932.0481555.5081212.8081089.0511032.584359.3759人員負(fù)荷25440254405184051840518405184051840518405184051840518405184051

37、840照明負(fù)荷623.07623.07776.58803.67812.7821.73821.73830.76839.79848.82857.85857.85451.5走廊負(fù)荷160.7767166.7957186.7793212.5268231.7367248.8817240.5526208.901183.8498167.6035159.5551155.6462152.0168以上總負(fù)荷31818.7743161.5969512.9769772.1570292.8571176.5572229.9173304.3174572.6575986.6677486.5778828.378722.58小會

38、議室外墻負(fù)荷2708.7172596.5362477.4182387.5262312.2472273.872272.3942315.4952396.2352492.3272596.0942708.2742820.455屋面負(fù)荷1794.2331459.311220.0791124.3861196.1561435.3871866.0032416.2343038.2353708.0824330.0834856.3915239.161窗傳熱負(fù)荷92.84285176.4014269.2443371.3714454.93538.4885603.4785640.6157668.4685668.46856

39、49.8999612.7628538.4885窗日射負(fù)荷1790.8532.6622219.5291966.1231646.791442.9261415.9311255.5241062.934862.8924750.4277643.8925311.6477人員負(fù)荷10176101762073620736207362073620736207362073620736207362073620736照明負(fù)荷249.228249.228310.632321.468325.08328.692328.692332.304335.916339.528343.14343.14180.6走廊負(fù)荷160.77671

40、66.7957186.7793212.5268231.7367248.8817240.5526208.901183.8498167.6035159.5551155.6462152.0168以上總負(fù)荷16972.6516962.9327419.6827119.426902.9427004.2427463.0527905.0728421.6428974.929565.230056.1129978.37三、冬季熱負(fù)荷計算計算中的一切傳熱系數(shù)與夏季的一樣，室外溫度查得，溫差修正系數(shù)、朝向修正量、高度修正量均由查得。冬季熱負(fù)荷計算如表9 表9冬季熱負(fù)荷計算圍護(hù)構(gòu)造耗熱量稱號圍護(hù)構(gòu)造傳熱系數(shù)室內(nèi)計算溫度空

41、調(diào)室外計算溫度室內(nèi)外計算溫差溫差修正系數(shù)根本耗熱量耗熱量修正圍護(hù)構(gòu)造耗熱量稱號及方向面積Ktntwtn-twQ1.j朝向修正后耗熱量高度修正m2W/(m2)xcn1+xcnQxgQ大會議室南墻124.81.518-62414492.8-0.20.83594.240.0232355.46*1.02北墻124.81.518-6244492.8014492.8南窗25.23.070218-6241856.857-0.20.81485.486北窗25.23.070218-6241856.857011856.857屋面622.80.9718-62414498.7840114498.78地面622.80.

42、4318-6246427.296016427.29632355.4633002.5692小會議室南墻51.171.518-62411842.12-0.20.81473.6960.0216976.89*1.02北墻51.171.518-6241842.12011842.12南窗10.083.070218-624742.74278-0.20.8594.1942北窗10.083.070218-624742.7427801742.7428東墻97.421.518-6243507.12-0.050.953331.764東窗10.083.070218-624742.74278-0.050.95705.60

43、56屋面246.630.9718-6245741.5464015741.546地面246.630.4318-6242545.2216012545.22216976.8917316.42847戶間傳熱分項KFtn-twq高度附加戶間傳熱量大會議室墻1.7292.46240.72671.724160.022725.1586門2.3311.34240.7443.89296443.89296小會議室墻1.7292.46240.72671.724160.022725.1586門2.3311.34240.7443.89296443.89296總熱負(fù)荷大會議室圍護(hù)構(gòu)造33002.5692小會議室圍護(hù)構(gòu)造17316.428戶間傳熱3169.051603戶間傳熱3169.0516以上負(fù)荷36171.6208以上負(fù)荷20485.48新風(fēng)負(fù)荷59187新風(fēng)負(fù)荷16350總負(fù)荷95359總負(fù)荷36835冬季濕負(fù)荷計算(注：計算中的表均)由表4-3查得溫度為18時平均每人的散濕量為33g/h大會議室：W=33*500=16500g/h=4.5