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1、一、設(shè)計(jì)概況1、選題背景武漢xx賓館位于武漢市徐東路,為一座按三星級(jí)標(biāo)準(zhǔn)設(shè)計(jì)的賓館。xx賓館建筑面積約6200m2,地下一層,地上九層,地面建筑高度30.6 m,地下室深4.2 m。地下室主要為設(shè)備機(jī)房,鍋爐房,給排水專業(yè)設(shè)備間,配電間等。一、二層為餐廳、大堂和休息廳,三到九層為標(biāo)準(zhǔn)客房。本設(shè)計(jì)將為該賓館設(shè)計(jì)一套中央空調(diào)系統(tǒng),夏季供冷,冬季供熱。2、方案論證大堂、餐廳、休息廳采用低速全空氣系統(tǒng),設(shè)備簡(jiǎn)單,初投資較省,維修簡(jiǎn)便;為防止菜肴味道進(jìn)入大堂、休息廳,同時(shí)考慮到運(yùn)行時(shí)間問(wèn)題,餐廳應(yīng)與大堂、休息廳分開(kāi)設(shè)置獨(dú)立的空調(diào)系統(tǒng)。中庭利用風(fēng)機(jī)盤(pán)管處理回風(fēng),新風(fēng)由大堂滲透提供。地上一層層高較高,采用頂

2、棚散流器平送,二層層高較低,采用側(cè)送風(fēng),二級(jí)吊頂??紤]到客房的使用率,防止能源浪費(fèi),標(biāo)準(zhǔn)客房層采用風(fēng)機(jī)盤(pán)管加獨(dú)立新風(fēng)系統(tǒng),當(dāng)某房間沒(méi)人時(shí),可單獨(dú)關(guān)閉該房間的風(fēng)機(jī)盤(pán)管系統(tǒng)。空調(diào)水系統(tǒng)為一次泵定水量系統(tǒng),雙管制,閉式循環(huán)。水系統(tǒng)分為兩個(gè)環(huán)路,一、二層為一環(huán),標(biāo)準(zhǔn)層為二環(huán),均為同程式系統(tǒng)。采用閉式循環(huán)的優(yōu)點(diǎn)有:管道與設(shè)備不易腐蝕;不需為提升高度的靜水壓力,循環(huán)水泵壓力低,從而水泵功率?。挥捎跊](méi)有貯水箱,不需重水回水,回水不需另設(shè)水泵等,因而投資省,系統(tǒng)簡(jiǎn)單。定水量系統(tǒng)簡(jiǎn)單,不需要變水量定壓控制。同程式各管段阻力損失接近相等,管網(wǎng)阻力不需要調(diào)節(jié)即可平衡??照{(diào)系統(tǒng)的冷熱源選用直燃溴化鋰吸收式冷溫水機(jī)組,

3、因?yàn)殇寤囄帐街评錂C(jī)能適應(yīng)各種熱源,是一種節(jié)能產(chǎn)品,用吸收式制冷機(jī)的系統(tǒng),耗電量較小,僅為離心式制冷機(jī)1/5左右。直燃式溴化鋰吸收式制冷機(jī)集鍋爐和制冷機(jī)于一體,具有體積小,結(jié)構(gòu)緊湊等優(yōu)點(diǎn)。所以,綜合考慮,選用直燃溴化鋰吸收式制冷機(jī)較為合理。二、設(shè)計(jì)參數(shù)和冷、熱負(fù)荷計(jì)算1、 武漢市室外空調(diào)設(shè)計(jì)參數(shù)臺(tái)站位置:北緯3037, 東經(jīng)11408, 海拔23.3 m夏季空調(diào)溫度:35.2 夏季空調(diào)室外計(jì)算濕球溫度:28.2 冬季空調(diào)溫度:52、 室內(nèi)空調(diào)主要設(shè)計(jì)參數(shù) 室內(nèi)溫度/相對(duì)濕度/新風(fēng)量/m3/(h人)夏冬夏冬中餐廳26186555504020西餐廳26186555504020大堂27166550

4、504010休息廳27166550504018客房26206550504030中庭271665505040183、 冷負(fù)荷計(jì)算3.1、外墻和屋面瞬變傳熱引起的冷負(fù)荷qc()=ak(tc()+td)kk-tr (3-1)式中 qc() 外墻和屋面瞬變傳熱引起的逐時(shí)冷負(fù)荷,w; a 外墻和屋面的面積,m2; k 外墻和屋面的傳熱系數(shù),w/(m2 ),由暖通空調(diào)附錄2-2和附錄2-3查取; tr 室內(nèi)計(jì)算溫度,; tc() 外墻和屋面冷負(fù)荷計(jì)算溫度的逐時(shí)值,由暖通空調(diào)附錄2-4和附錄2-5查取; td 地點(diǎn)修正值,由暖通空調(diào)附錄2-6查??; k 吸收系數(shù)修正值,取k=1.0; k 外表面換熱系數(shù)修正

5、值,取k=0.9;3.2、內(nèi)圍護(hù)結(jié)構(gòu)冷負(fù)荷 qc()=aiki(to.m+t-tr) (3-2) 式中 ki 內(nèi)圍護(hù)結(jié)構(gòu)傳熱系數(shù),w/(m2 ); ai 內(nèi)圍護(hù)結(jié)構(gòu)的面積,m2;to.m 夏季空調(diào)室外計(jì)算日平均溫度,;t 附加溫升,可按暖通空調(diào)表2-10查取。3.3、外玻璃窗瞬變傳熱引起的冷負(fù)荷qc() = cw kw aw ( tc() + td tr) (3-3)式中 qc() 外玻璃窗瞬變傳熱引起的冷負(fù)荷,w; kw 外玻璃窗傳熱系數(shù),w/(m2 ),由暖通空調(diào)附錄2-7和附錄2-8查得; aw 窗口面積,m2; tc() 外玻璃窗的冷負(fù)荷溫度的逐時(shí)值,由暖通空調(diào)附錄2-10查得; cw

6、 玻璃窗傳熱系數(shù)的修正值;由暖通空調(diào)附錄2-9查得; td 地點(diǎn)修正值,由暖通空調(diào)附錄2-11查得;3.4、透過(guò)玻璃窗的日射得熱引起的冷負(fù)荷qc() = c aw cs ci djmax clq (3-4)式中 c 有效面積系數(shù),由暖通空調(diào)附錄2-15查得;aw 窗口面積,m2;cs 窗玻璃的遮陽(yáng)系數(shù),由暖通空調(diào)附錄2-13查得;ci 窗內(nèi)遮陽(yáng)設(shè)施的遮陽(yáng)系數(shù),由暖通空調(diào)附錄2-14查得;djmax 日射得熱因數(shù),由暖通空調(diào)附錄2-12查得;clq 窗玻璃冷負(fù)荷系數(shù),無(wú)因次,由暖通空調(diào)附錄2-16至附錄2-19查得;3.5、照明散熱形成的冷負(fù)荷白熾燈 qc() = 1000 n clq (3-5

7、-1)日光燈 qc() = 1000 n1 n2 n clq (3-5-2)式中 n 照明燈具所需功率,w; n1鎮(zhèn)流器消耗功率稀疏,明裝時(shí),n1=1.2,暗裝時(shí),n1=1.0; n2燈罩隔熱系數(shù),燈罩有通風(fēng)孔時(shí),n2=0.50.6;無(wú)通風(fēng)孔時(shí),n2=0.60.8; clq照明散熱冷負(fù)荷系數(shù),由暖通空調(diào)附錄2-22查得。3.6、人體散熱形成的冷負(fù)荷3.6.1、人體顯熱散熱形成的冷負(fù)荷qc() = qs n clq (3-6-1)式中 qs 不同室溫和勞動(dòng)性質(zhì)成年男子顯熱散熱量,w,由暖通空調(diào)表2-13查得; n 室內(nèi)全部人數(shù); 群集系數(shù),由暖通空調(diào)表2-12查得;clq 人體顯熱散熱冷負(fù)荷系數(shù)

8、,由暖通空調(diào)附錄2-23查得;3.6.2、人體潛熱散熱引起的冷負(fù)荷 qc() = ql n (3-6-2)式中 ql 不同室溫和勞動(dòng)性質(zhì)成年男子潛熱散熱量,w,由暖通空調(diào)表2-13查得;n,同式3-6-1。101美食城 (a=35.49=318.6 m2)西玻璃幕墻瞬變傳熱引起的冷負(fù)荷時(shí)間101112131415161718192021cw=1.0 kw=3.01 w/(m2 ) td=3 aw=4.2(3.32+3.68)=148.68 m2tc()29.029.930.831.531.932.232.232.031.630.829.929.1tc()+td32.032.933.834.53

9、4.935.235.23534.633.832.932.1t6.06.97.88.58.99.29.29.08.67.86.96.1qc()2685.23087.93490.73803.13982.994117.34117.34027.73848.73490.73087.92729.9透過(guò)西玻璃幕墻的日射得熱引起的冷負(fù)荷時(shí)間101112131415161718192021c=0.75 cs=0.74 ci=1.0 djmax=539 w/m2 aw=148.68 m2clq0.180.190.20.280.40.50.540.610.50.240.230.21qc()8005.88450.68

10、895.412453.517790.822238.424017.527130.922238.410674.510229.79340.1東內(nèi)墻冷負(fù)荷ai=4.2(3.32+3.62)=57.96 m2 to.m=31.9 t=2 ki=1.75 w/(m2 )由式3-2得 qc() = 801.3 w照明散熱形成的冷負(fù)荷開(kāi)燈時(shí)間 10小時(shí)(16:00第二天2:00)美食城采用暗裝熒光燈 由旅館建筑空調(diào)設(shè)計(jì)81頁(yè)查得每平方米照明功率17w時(shí)間101112131415161718192021n1=1.0 n2=0.5 n=17318.6=5416.2w=5.42kwclq0.180.160.150.

11、140.120.110.340.550.610.650.680.71qc()487.46433.3406.22379.13324.97297.89920.751489.461651.941760.271841.511922.75人體散熱形成的冷負(fù)荷人在室內(nèi)時(shí)間16小時(shí)(6:0022:00) 美食城每平方米0.8人顯熱散熱時(shí)間101112131415161718192021qs=60.5w n=0.8318.6=255 人 =0.93clq0.790.820.850.870.880.90.910.920.930.940.950.95qc()11334.611765 12195.412482.41

12、2625.912912.813056.313199.813343.213486.713630.213630.2qc17383.1合計(jì)28717.729148.129578.529865.5300093029630439.430582.930726.330869.831013.331013.3潛熱散熱 ql=73.3w 由式3-6-2得 qc()=73.32550.93=17383.1w菜肴的冷負(fù)荷菜肴的冷負(fù)荷以每人30w 算 qc() =25530=7650 w102休息廳 (a=11.49=102.6m2)西外墻冷負(fù)荷(雙面抹灰型墻)時(shí)間101112131415161718192021k=1

13、.95 w/(m2 ) td=1.7 a=94.2-23.5=30.8m2tc()33.532.832.432.132.132.332.833.735.036.738.740.50.9(tc()+td)31.6831.0530.6930.4230.4230.631.0531.8633.0334.5636.3637.98t4.684.053.693.423.423.64.054.866.037.569.3610.98qc()281.08243.24221.62205.41205.41216.22243.24291.89362.16454.05562.16659.46西外窗瞬變傳熱引起的冷負(fù)荷(雙

14、層鋼窗,淺藍(lán)布簾)時(shí)間101112131415161718192021cw=1.2 kw=3.01 w/(m2 ) td=3 aw=3.52=7 m2tc()29.029.930.831.531.932.232.232.031.630.829.929.1tc()+td32.032.933.834.534.935.235.23534.633.832.932.1t5.05.96.87.57.98.28.28.07.66.85.95.1qc()126.42149.18171.93189.63199.74207.33207.33202.27192.16171.93149.18128.95西外窗日射得熱

15、引起的冷負(fù)荷時(shí)間101112131415161718192021c=0.75 cs=0.86 ci=0.6 djmax=539 w/m2 aw=7 m2clq0.210.220.230.370.60.750.840.730.420.10.10.09qc()306.63321.23335.83540.26876.091095.111226.531065.91613.26146.02146.02131.41照明散熱形成的冷負(fù)荷開(kāi)燈時(shí)間 10小時(shí)(16:00第二天2:00)休息廳采用暗裝熒光燈 由中央空調(diào)制冷網(wǎng)查得每平方米照明功率15w時(shí)間101112131415161718192021n1=1.0

16、 n2=0.5 n=15102.6=1539w=1.54kwclq0.180.160.150.140.120.110.340.550.610.650.680.71qc()138.51123.12115.43107.7392.3484.65261.63423.23469.4500.18523.26546.35人體散熱形成的冷負(fù)荷人在室內(nèi)時(shí)間16小時(shí)(8:0024:00) 休息廳每平方米0.2人顯熱散熱時(shí)間101112131415161718192021qs=58w n=0.2102.6=21 人 =0.93clq0.70.750.790.820.850.870.880.90.910.920.93

17、0.94qc()792.92849.56894.86928.85962.83985.48996.811019.471030.791042.121053.451064.78qc976.5合計(jì)1769.421826.061871.361905.351939.331961.981973.311995.972007.292018.622029.952041.28潛熱散熱ql=50w 由式3-6-2得 qc()=50210.93=976.5w103大堂 (a=14.412.9=185.76 m2)西外墻冷負(fù)荷(雙面抹灰型墻)時(shí)間101112131415161718192021k=1.95 w/(m2 )

18、 td=1.7 a=4.22.4=10.08m2tc()33.532.832.432.132.132.332.833.735.036.738.740.50.9(tc()+td)31.6831.0530.6930.4230.4230.631.0531.8633.0334.5636.3637.98t4.684.053.693.423.423.64.054.866.037.569.3610.98qc()91.9979.6172.5367.2267.2270.7679.6195.53118.53148.6183.98215.82南外墻冷負(fù)荷(雙面抹灰型墻)時(shí)間101112131415161718192

19、021k=1.95 w/(m2 ) td=0.4 a=14.44.2=60.48m2tc()33.933.533.232.932.832.933.135.435.932.432.931.30.9(tc()+td)30.8730.5130.2429.9729.8829.9730.1532.2232.6729.5229.9728.53t3.873.513.242.972.882.973.155.225.672.522.971.53qc()456.41413.96382.11350.27339.66350.27371.5615.63668.7297.2350.27180.44東外墻冷負(fù)荷(雙面抹灰型

20、墻)時(shí)間101112131415161718192021k=1.95 w/(m2 ) td=1.7 a=12.94.2=54.18m2tc()32.132.834.135.637.238.539.540.240.540.740.740.60.9(tc()+td)30.4231.0532.2233.5735.0136.1837.0837.7137.9838.1638.1638.07t3.424.055.226.578.019.1810.0810.7110.9811.1611.1611.07qc()361.33427.89551.5694.13846.26969.881064.961131.521

21、160.051179.071179.071169.57西內(nèi)墻冷負(fù)荷ai=10.54.2=44.1 m2 to.m=31.9 t=1 ki=1.75 w/(m2 )由式3-2得 qc() = 455.33 w照明散熱形成的冷負(fù)荷開(kāi)燈時(shí)間 10小時(shí)(16:00第二天2:00)大堂采用暗裝熒光燈 由旅館建筑空調(diào)設(shè)計(jì)81頁(yè)查得每平方米照明功率20w時(shí)間101112131415161718192021n1=1.0 n2=0.5 n=20185.76=3715.2w=3.72kwclq0.180.160.150.140.120.110.340.550.610.650.680.71qc()334.37297

22、.22278.64260.06222.91204.34631.581021.681133.141207.441263.171318.9人體散熱形成的冷負(fù)荷人在室內(nèi)時(shí)間16小時(shí)(8:0024:00) 大堂每平方米0.2人顯熱散熱時(shí)間101112131415161718192021qs=58w n=0.2185.76=38 人 =0.93clq0.70.750.790.820.850.870.880.90.910.920.930.94qc()1434.81537.291619.281680.771742.261783.261803.751844.751865.251885.741906.24192

23、6.74qc1627.5合計(jì)3062.33164.793246.783308.273369.763410.763431.253472.253492.753513.243533.743554.24潛熱散熱ql=50w 由式3-6-2得 qc()=50380.93=1627.5w104,105,106中餐廳 (a=4.53.6=16.2 m2 )東外墻冷負(fù)荷(雙面抹灰型墻)時(shí)間101112131415161718192021k=1.95 w/(m2 ) td=1.7 a=4.23.6-22=11.12m2tc()32.132.834.135.637.238.539.540.240.540.740.

24、740.60.9(tc()+td)30.4231.0532.2233.5735.0136.1837.0837.7137.9838.1638.1638.07t4.425.056.227.579.0110.1811.0811.7111.9812.1612.1612.07qc()95.84109.5134.87164.15195.37220.74240.26253.92259.77763.68263.68261.73東外窗瞬變傳熱引起的冷負(fù)荷(雙層鋼窗,淺藍(lán)布簾)時(shí)間101112131415161718192021cw=1.2 kw=3.01 w/(m2 ) td=3 aw=22=4 m2tc()2

25、9.029.930.831.531.932.232.232.031.630.829.929.1tc()+td32.032.933.834.534.935.235.23534.633.832.932.1t6.06.97.88.58.99.29.29.08.67.86.96.1qc()86.6999.69112.69122.81128.59132.92132.92130.03124.25112.6999.6988.13東外窗日射得熱引起的冷負(fù)荷時(shí)間101112131415161718192021c=0.75 cs=0.86 ci=0.6 djmax=539 w/m2 aw=4 m2clq0.630

26、.410.270.270.250.230.20.150.10.080.070.07qc()525.65342.09225.28225.28208.59191.91166.87125.1683.4466.7558.4158.41照明散熱形成的冷負(fù)荷開(kāi)燈時(shí)間 10小時(shí)(16:00第二天2:00)中餐廳采用暗裝熒光燈 由中國(guó)空調(diào)制冷網(wǎng)查得每平方米照明功率17w時(shí)間101112131415161718192021n1=1.0 n2=0.5 n=17318.6=5416.2w=5.42kwclq0.180.160.150.140.120.110.340.550.610.650.680.71qc()24.

27、7922.0320.6619.2816.5215.1546.8275.748489.5193.6497.77人體散熱形成的冷負(fù)荷人在室內(nèi)時(shí)間16小時(shí)(6:0022:00) 中餐廳每平方米0.6人顯熱散熱時(shí)間101112131415161718192021qs=60.5w n=0.616.2=10 人 =0.93clq0.790.820.850.870.880.90.910.920.930.940.950.95qc()444.49461.37478.25489.51495.13506.39512.01517.64523.26528.89534.52534.52qc681.69合計(jì)1126.181

28、143.061159.941171.21176.821188.081193.71199.331204.951210.581216.211216.21潛熱散熱ql=73.3w 由式3-6-2得 qc()=73.3100.93=681.69w菜肴、火鍋冷負(fù)荷菜肴冷負(fù)荷以每人30w 算 qc() =3010=300w火鍋冷負(fù)荷以每人100w 算 qc() =10010=1000w201中餐廳 (a=17.710=177m2)玻璃幕墻以雙層6mm厚的普通玻璃算西玻璃幕墻瞬變傳熱引起的冷負(fù)荷時(shí)間101112131415161718192021cw=1.0 kw=3.01 w/(m2 ) td=3 aw=

29、3.3(3.3+3.64)=58.41 m2tc()29.029.930.831.531.932.232.232.031.630.829.929.1tc()+td32.032.933.834.534.935.235.23534.633.832.932.1t6.06.97.88.58.99.29.29.08.67.86.96.1qc()318.85366.67414.5451.7472.96488.9488.9478.27457.02414.5366.67324.16透過(guò)西玻璃幕墻日射得熱引起的冷負(fù)荷時(shí)間101112131415161718192021c=0.75 cs=0.74 ci=0.6

30、djmax=539 w/m2 aw=58.41 m2clq0.210.220.230.370.60.750.840.730.420.10.10.09qc()665.46697.15728.831172.471901.312376.632661.832313.261330.91316.88316.88285.2東內(nèi)墻冷負(fù)荷ai=10.53.3=34.65 m2 to.m=31.9 t=2 ki=1.75 w/(m2 )由式3-2得 qc() = 479.04 w照明散熱形成的冷負(fù)荷開(kāi)燈時(shí)間 10小時(shí)(16:00第二天2:00)中餐廳采用暗裝熒光燈 由中國(guó)空調(diào)制冷網(wǎng)查得每平方米照明功率17w時(shí)間1

31、01112131415161718192021n1=1.0 n2=0.5 n=17177=3009w=3.01kwclq0.180.160.150.140.120.110.340.550.610.650.680.71qc()270.81240.72225.68210.63180.54165.5511.53827.48917.75977.931023.061068.2人體散熱形成的冷負(fù)荷人在室內(nèi)時(shí)間16小時(shí)(6:0022:00) 中餐廳每平方米0.6人顯熱散熱時(shí)間101112131415161718192021qs=60.5w n=0.6177=107 人 =0.93clq0.790.820.8

32、50.870.880.90.910.920.930.940.950.95qc()4756.084936.695117.35237.715297.915418.325478.525538.735598.935659.135719.345719.34qc7294.08合計(jì)12050.212230.812411.412531.81259212712.412772.612832.81289312953.213013.413013.4潛熱散熱 ql=73.3w 由式3-6-2得 qc()=73.31070.93=7294.08w菜肴、火鍋的冷負(fù)荷菜肴的冷負(fù)荷以每人30w 算 qc() =30107=32

33、10 w火鍋的冷負(fù)荷以每人100w 算 qc() =100107=10700w202,203中餐廳 (a=7.63.6=27.36m2)西玻璃幕墻瞬變傳熱引起的冷負(fù)荷時(shí)間101112131415161718192021cw=1.0 kw=3.01 w/(m2 ) td=3 aw=3.33.6=11.88 m2tc()29.029.930.831.531.932.232.232.031.630.829.929.1tc()+td32.032.933.834.534.935.235.23534.633.832.932.1t6.06.97.88.58.99.29.29.08.67.86.96.1qc(

34、)64.9374.6784.4191.9896.3199.5697.3997.3993.0784.4174.6766.01透過(guò)西玻璃幕墻日射得熱引起的冷負(fù)荷時(shí)間101112131415161718192021c=0.75 cs=0.74 ci=0.6 djmax=539 w/m2 aw=11.88 m2clq0.210.220.230.370.60.750.840.730.420.10.10.09qc()135.51141.96148.42238.76387.16483.97542.05471.06271.0264.5364.5358.08照明散熱形成的冷負(fù)荷開(kāi)燈時(shí)間 10小時(shí)(16:00第二

35、天2:00)中餐廳采用暗裝熒光燈 由中國(guó)空調(diào)制冷網(wǎng)查得每平方米照明功率17w時(shí)間101112131415161718192021n1=1.0 n2=0.5 n=1727.36=465.12w=0.465kwclq0.180.160.150.140.120.110.340.550.610.650.680.71qc()41.8637.2134.8832.5627.9125.5879.07127.91141.86151.16158.14165.12人體散熱形成的冷負(fù)荷人在室內(nèi)時(shí)間16小時(shí)(6:0022:00) 中餐廳每平方米0.6人顯熱散熱時(shí)間101112131415161718192021qs=6

36、0.5w n=0.627.36=17 人 =0.93clq0.790.820.850.870.880.90.910.920.930.940.950.95qc()755.64784.33813.03832.16841.72860.85870.42879.98889.55899.11908.68908.68qc1158.87合計(jì)1914.511943.21971.91991.032000.592019.722029.292038.852048.422057.982067.552067.55潛熱散熱 ql=73.3w 由式3-6-2得 qc()=73.3170.93=1158.87w菜肴、火鍋的冷負(fù)

37、荷菜肴的冷負(fù)荷以每人30w 算 qc() =3017=510 w火鍋的冷負(fù)荷以每人100w 算 qc() =10017=1700w204中餐廳 (a=7.67.2=54.72m2)西玻璃幕墻瞬變傳熱引起的冷負(fù)荷時(shí)間101112131415161718192021cw=1.0 kw=3.01 w/(m2 ) td=3 aw=7.23.3=23.76 m2tc()29.029.930.831.531.932.232.232.031.630.829.929.1tc()+td32.032.933.834.534.935.235.23534.633.832.932.1t6.06.97.88.58.99.

38、29.29.08.67.86.96.1qc()129.86149.34168.82183.96192.62199.12199.12194.78186.14168.82149.34132.02透過(guò)西玻璃幕墻日射得熱引起的冷負(fù)荷時(shí)間101112131415161718192021c=0.75 cs=0.74 ci=0.6 djmax=539 w/m2 aw=23.76 m2clq0.210.220.230.370.60.750.840.730.420.10.10.09qc()271.02283.92296.84477.52774.32967.941084.1942.12542.04129.0612

39、9.06116.16照明散熱形成的冷負(fù)荷開(kāi)燈時(shí)間 10小時(shí)(16:00第二天2:00)中餐廳采用暗裝熒光燈 由中國(guó)空調(diào)制冷網(wǎng)查得每平方米照明功率17w時(shí)間101112131415161718192021n1=1.0 n2=0.5 n=1754.72=930.24w=0.93kwclq0.180.160.150.140.120.110.340.550.610.650.680.71qc()83.7274.4269.7665.1255.8251.16158.14255.82283.72302.32316.28330.24人體散熱形成的冷負(fù)荷人在室內(nèi)時(shí)間16小時(shí)(6:0022:00) 中餐廳每平方米0

40、.6人顯熱散熱時(shí)間101112131415161718192021qs=60.5w n=0.654.72=34 人 =0.93clq0.790.820.850.870.880.90.910.920.930.940.950.95qc()1511.281568.661626.061664.321683.441721.71740.841759.961779.11798.221817.361817.36qc2317.74合計(jì)3829.023886.43943.83982.064007.184039.444058.584077.74096.844115.964135.14135.1潛熱散熱 ql=73.

41、3w 由式3-6-2得 qc()=73.3340.93=2317.74w菜肴、火鍋的冷負(fù)荷菜肴的冷負(fù)荷以每人30w 算 qc() =3034=1020 w火鍋的冷負(fù)荷以每人100w 算 qc() =10034=3400w205西餐廳 (a=11.49=102.6m2)西外墻冷負(fù)荷(雙面抹灰型墻)時(shí)間101112131415161718192021k=1.95 w/(m2 ) td=1.7 a=93.3-41.5=23.7m2tc()33.532.832.432.132.132.332.833.735.036.738.740.50.9(tc()+td)31.6831.0530.6930.4230

42、.4230.631.0531.8633.0334.5636.3637.98t5.685.054.694.424.424.65.055.867.038.5610.3611.98qc()262.5233.39216.75204.27204.27212.59233.39270.82324.89395.6478.79553.66西外窗瞬變傳熱引起的冷負(fù)荷(單層6mm厚玻璃鋼窗,淺藍(lán)布簾)時(shí)間101112131415161718192021cw=1.0 kw=5.94w/(m2 ) td=3 aw=41.5=6 m2tc()29.029.930.831.531.932.232.232.031.630.829.929.1tc()+td32.032.933.834.534.935.235.23534.633.832.932.1t6.06.97.88.58.9

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