桂林某三層辦公樓水源熱泵系統(tǒng)實(shí)施方案_第1頁
桂林某三層辦公樓水源熱泵系統(tǒng)實(shí)施方案_第2頁
桂林某三層辦公樓水源熱泵系統(tǒng)實(shí)施方案_第3頁
已閱讀5頁,還剩37頁未讀 繼續(xù)免費(fèi)閱讀

下載本文檔

版權(quán)說明:本文檔由用戶提供并上傳,收益歸屬內(nèi)容提供方,若內(nèi)容存在侵權(quán),請進(jìn)行舉報(bào)或認(rèn)領(lǐng)

文檔簡介

1、本次畢業(yè)設(shè)計(jì)地題目:桂林某三層辦公樓水源熱泵系統(tǒng)地設(shè)計(jì).I建筑物地相關(guān)資料此辦公樓分三層,每層層高3.6m.1 屋面:構(gòu)造類型,保溫材料為瀝青膨脹珍珠巖,其厚度為L=100,類.表1-1壁厚Smm保溫層厚度mm導(dǎo)熱熱阻卅k/w傳熱系數(shù)w/ m2 k類型701001.630.55n2墻:外墻:水泥砂漿磚墻 白灰粉.內(nèi)墻:雙面抹灰24磚,與鄰室室內(nèi)設(shè)計(jì)溫度相同,走廊溫度低于室外溫 度2C.表1-2壁厚mm導(dǎo)熱熱阻m k/w傳熱系數(shù)w/ m2 k類型3700.501.50II3外窗:單層窗6mm厚普通玻璃,金屬窗框,80%玻璃.掛淺色內(nèi)窗簾.4 人數(shù):根據(jù)實(shí)際情況每層樓辦公室為 4人,會(huì)議室為30人

2、.5照明設(shè)備:熒光燈暗裝,辦公室照明時(shí)間為10小時(shí),功率和為180w,會(huì)議室照明時(shí)間4小時(shí),功率和450w.b5E2R6電子設(shè)備:每間辦公室每人配有一臺(tái)電腦,開機(jī)時(shí)間為:8:00 12:002桂林地氣象參數(shù)室外氣象參數(shù)和室內(nèi)設(shè)計(jì)地標(biāo)準(zhǔn):查空氣調(diào)節(jié)確定桂林地區(qū)地緯度和海拔.桂林處于北緯25 ° 20 /其海拔為161.8m.2.1.桂林地區(qū)室外空氣計(jì)算參數(shù)夏季室外大氣壓力為98.61kpa夏季空調(diào)計(jì)算平均干球溫度tp=30.5 C夏季空調(diào)計(jì)算干球溫度tw=33.9 C夏季空調(diào)計(jì)算濕球溫度tg=27C夏季平均日較差厶tr=6.5 C夏季室外平均風(fēng)速為 1.5m/s冬季室外大氣壓為 100

3、.29kpa冬季空調(diào)計(jì)算平均溫度tw=-2.9 C冬季空調(diào)計(jì)算干球溫度tg=0 C冬季室外平均風(fēng)速為 3.2m/s2.2.室內(nèi)空氣設(shè)計(jì)標(biāo)準(zhǔn) 根據(jù)“采暖通風(fēng)”和“空氣調(diào)節(jié)規(guī)范”確定辦公室室內(nèi)空氣設(shè)計(jì)標(biāo)準(zhǔn) :夏季室內(nèi)空氣溫度tN=26 C夏季室內(nèi)空氣相對濕度© n=50%夏季室內(nèi)風(fēng)速小于 0.3 m/s 室內(nèi)空氣稍高于室外大氣壓 夏季計(jì)算維護(hù)結(jié)構(gòu)傳入室內(nèi)地?zé)崃繒r(shí) ,應(yīng)按不穩(wěn)定傳熱過程計(jì)算 ,因此必須得出設(shè)計(jì)日地室外平均溫度和逐時(shí)溫度 .已知設(shè)計(jì)日地室外平均溫度和逐時(shí)溫度 .夏季空調(diào)室外計(jì)算逐時(shí)溫度 ,可按以下確定 :tsh=twp+ B tr公式(2-1)tsh :室外計(jì)算日地逐時(shí)溫度,

4、Ctwp: 夏季空氣調(diào)節(jié)室外計(jì)算日平均溫度 (可由空氣調(diào)節(jié)查得 ) tr:夏季室外計(jì)算平均日溫差,C (可由空氣調(diào)節(jié)查得)B : 室外溫度逐時(shí)變化系數(shù) ,見下表 3表2-1時(shí)刻78910111213-0.28-0.120.030.160.290.40.48時(shí)刻1415161718190.520.510.430.390.280.14由公式(1)對照表3計(jì)算出7- 19時(shí)刻之間地室外溫度統(tǒng)計(jì)在下表4表2-2時(shí)刻7891011121328.6829.7230.731.5432.3933.133.62時(shí)刻14151617181933.8833.3732.8532.5931.8730.963.空調(diào)負(fù)荷地

5、計(jì)算:建筑物空調(diào)冷負(fù)荷形成地過程(空氣調(diào)節(jié)P33)冷負(fù)荷系數(shù)法計(jì)算空調(diào)負(fù)荷(從第三層開始計(jì)算)320辦公室冷負(fù)荷計(jì)算3.1圍護(hù)結(jié)構(gòu)地冷負(fù)荷 辦公室320屋頂?shù)刎?fù)荷:Q =FK(tm-tN)(公式3-1)tin =(ti td)kr kp(公式 3-2)其中:K:屋頂結(jié)構(gòu)地傳熱系數(shù)0.55w/(m 2.k)F: 屋頂?shù)赜?jì)算面積,根據(jù)已知 F= = 24.2 6 m2.tn :夏季室內(nèi)空氣地溫度C,tn= 26Ctln :屋頂?shù)乩湄?fù)荷計(jì)算溫度地逐時(shí)值C表3-1時(shí)間78910111213tln34.6633.5532.5331.6931.2331.2331.60tln-t n8.667.556.53

6、5.705.235.235.60Q117.6571.24100.7377.4371.0571.0576.08時(shí)間141516171819tln32.5333.8335.4037.0738.7440.32tln-t n6.537.839.4011.0712.7414.32Q88.71106.38127.7149.58173.08194.54辦公室320南墻冷負(fù)荷:Q = FK (t in _tN)(公式3-3)tm = (ti - td)k_kp(公式 3-4)F:南墻面積 36*4.26 = 11.02m 2 傳熱系數(shù)K=1.5 w/m 2.k修正系數(shù)Ka=0.986修正系數(shù)Kp=0.94修正

7、系數(shù)查空氣調(diào)節(jié)得td=-1.9不同地區(qū)不同朝向不同P319表3-2時(shí)間78910111213tln30.6830.3129.9429.6629.2929.0128.73t|n-t n4.684.313.943.663.293.012.73Q77.3671.2435.1360.5054.3849.7645.13時(shí)間141516171819tln28.6428.7328.9229.1929.6630.12t|n-t n2.642.732.923.193.664.12Q43.6345.1349.0952.7360.5068.10辦公室320東墻冷負(fù)荷:Q二FK (t ln -tN)(公式3-5)tm

8、 二(tl td)k.kp(公式 3-6 )F:東墻面積 36*5.695=20.5 m2傳熱系數(shù)K=1.5 w/m 2.k修正系數(shù)Ka=0.986修正系數(shù)Kp=0.94修正系數(shù)查空氣調(diào)節(jié)得td=0.0表3-3時(shí)間78910111213tin33.7433.3732.9632.6232.4432.4432.62Q238226.63214.02203.57198.03198.03203.57時(shí)間141516171819tin32.9933.4633.9234.3834.7635.13Q214.94229.40243.54257.69269.37280.75辦公室320靠走廊內(nèi)墻冷負(fù)荷:Q = F

9、K(tm tN)(公式3-7)tm 二(tl td)k.kp(公式 3-8)F:內(nèi)墻面積 39*3.6-2*1=12.04 m傳熱系數(shù)K=1.75 w/m 2.k修正系數(shù)Ka=0.986 修正系數(shù)Kp=0.94修正系數(shù)查空氣調(diào)節(jié)得td=1.3表3-4時(shí)間78910111213tln-t n3.613.142.962.682.492.312.21Q74.7665.0359.4355.551.5647.8445.77時(shí)間141516171819tln-t n2.122.122.212.312.492.68Q43.943.945.7747.8451.5655.53. 2.外窗門瞬變傳熱引起地負(fù)荷門辦

10、公室320門地負(fù)荷:Q = FK(tm-tN)(公式3-9)F:門地面積2*1 = 2 m2K:單層木框門傳熱系數(shù),K= 2.33 w/m 2.k表3-5時(shí)間78910111213tln -t n3.613.142.962.682.492.312.21Q16.8214.6313.7912.4911.610.7610.30時(shí)間141516171819t|n-t n2.122.122.212.312.492.68Q9.889.8810.3010.7611.6012.49外玻璃窗瞬變傳熱引起地冷負(fù)荷:Q二FK(tln tN).(3-10)tin = (tl td)k kp(公式 3-11)由空氣調(diào)節(jié)

11、表9查得單層玻璃窗得傳熱系數(shù) K值,當(dāng)aN=8.7 w/m 2.k, av=17.4w/m 2.k*0.986=17.6 w/m2.k,查得 K=5.61 w/m 2.kp1Ean。td:玻璃窗得地點(diǎn)修正系數(shù),td=1表3-6時(shí)間78910111213tln-t n11.92.944.95.86.5Q24.2446.0570.2896.94111.39134.76160.32時(shí)間141516171819tln-t n6.97.27.276.65.8Q167.32167.29167.29162.65153.35134.76南外窗進(jìn)入日射得熱引起得冷負(fù)荷:Q二F Cz Dj Clq(3-12)查得

12、單層鋼窗地效面積系數(shù)為 0.85 ,故窗地有效面積:查得遮擋系數(shù)為Cs=0.93,遮陽系數(shù)為Cn=0.50.綜合遮陽系數(shù)dxdfi。維度為25° 20'時(shí)南向日射,得熱因數(shù)Dj=145W/ m2.因桂林地處北緯27° 30'以南屬南區(qū),查空氣調(diào)節(jié)有遮陽設(shè)施得窗,冷負(fù)荷系數(shù)逐時(shí)值.RTCrp表3-7時(shí)間78910111213Clq0.310.470.600.690.770.870.84Q76.75116.36148.55170.83196.64215.40207.97時(shí)間141516171819Clq0.740.660.540.380.200.13Q183.2

13、1163.14133.7094.0849.5232.193.3辦公室內(nèi)部熱源散熱引起地冷負(fù)荷 人體散熱引起地冷負(fù)荷:人體顯熱散熱形成地冷負(fù)荷 Q5,1 = n®qiXT W(3-13)n:室內(nèi)總?cè)藬?shù);n=4人:群集系數(shù);(見中央空調(diào)表P66頁2-15)qi:不同室溫和勞動(dòng)性質(zhì)時(shí)成年男子散熱量,W;(見中央空調(diào)表 P67 頁 2-16)qi=63T:人員進(jìn)入空調(diào)房間地時(shí)刻,點(diǎn)鐘;t -T:人員進(jìn)入房間時(shí)到計(jì)算時(shí)刻地時(shí)間,h;X _T : T -T時(shí)刻人體顯熱散熱量地冷負(fù)荷系數(shù)人體散濕形成地潛熱冷負(fù)荷:Q5,2 = q2 W(3-14)Qi:名成年男子小時(shí)潛熱散熱量,見中央空調(diào)表 P67

14、頁2-16Qi=45n:室內(nèi)總?cè)藬?shù);n=4人表3-8時(shí)間78910111213Clq0.020.010.490.590.660.710.27Lqx4.842.42118.54261.72159.67344.5665.32Lq177.64175.22291.34315.53332.47344.56238.12時(shí)間141516171819Clq0.210.650.730.770.810.35Lqx50.8157.25176.6186.28195.9684.67Lq223.6330.05349.4359.08368.76257.47照明散熱引起地冷負(fù)荷:熒光燈地冷負(fù)荷Lq=nin2NClq(公式3-

15、14)N:照明燈具功率ni:鎮(zhèn)流器消耗功率系數(shù),安裝熒光燈鎮(zhèn)流器裝在頂棚內(nèi)ni=1.0n2:燈罩隔熱系數(shù),熒光燈罩上部穿小空,下部為玻璃板n2=0.5 Clq :照明散熱冷負(fù)荷系數(shù).表3-9時(shí)間78910111213Clq0.860.890.900.910.92Q077.480.18181.982.8時(shí)間141516171819Clq0.690.860.890.900.910.92Q62.177.480.18186.982.8辦公室320各項(xiàng)冷負(fù)荷總匯表 3-10時(shí)間78910111213Q1117.65102.57100.7377.4371.0571.0576.08Q277.3671.246

16、5.1360.5054.3849.7645.13Q3238226.63214.02203.571983.03198.03203.57Q474.7665.0359.4355.551.5647.8445.77Q516.8214.6313.7914.4911.6010.7610.30Q624.2446.0570.2896.94113.85134.76151.03Q776.75116.36148.55170.83196.64215.40207.97Q8177.64175.22291.34315.53332.47344.56238.12Q9600600600600600600600Q100077.480

17、.18181.90總計(jì)1403.21417.731640.671675.791710.581754.061670.67時(shí)間141516171819Q188.71106.38127.7149.58173.08194.54Q243.6345.1349.0952.7360.5068.10Q3214.94229.40243.54257.69269.37280.75Q443.9043.945.7747.8451.5655.50Q59.889.8810.3010.7611.612.49Q6160.32167.29167.29162.65153.35134.76Q7183.21163.41133.794.0

18、849.5232.19Q8223.6330.05349.4359.08368.76257.47Q9600600600600600600Q1062.177.480.18181.982.8總計(jì)1630.291826.841806.891815.411819.641718.86302辦公室冷負(fù)荷地計(jì)算:1.圍護(hù)結(jié)構(gòu)及門窗冷負(fù)荷地計(jì)算:屋面冷負(fù)荷Qi,南墻冷負(fù)荷Q2,靠走廊內(nèi)墻Q3,外玻璃窗瞬變傳熱引起地冷 負(fù)荷Q5,南外窗日射得熱引起地冷負(fù)荷 Q6,門地冷負(fù)荷Q7計(jì)算如320辦公室.計(jì)算值見320辦公室各項(xiàng)對應(yīng)冷地值.5pczv302辦公室西外墻冷負(fù)荷:Q二FK(tin_tN) 公式(3-3 )ti

19、n =(ti td)k.kp 公式(3-4)F:西外墻面積 2.K:傳熱系數(shù):K=1.5W/m k.td = 0 k- = 0.986 kp = 0.94表 3-11時(shí)間78910111213tl+td38.237.837.336.836.335.935.5t ln;35.435.0334.57;34.1133.6433.2732.9Q289.05277.67263.53249.38234.9207.20196.65時(shí)間141516171819tl+td35.234.934.834.834.935.3t ln32.6232.3532.2532.2532.3532.72Q188.67195.26

20、192.19192.19195.26203.57內(nèi)部冷負(fù)荷地計(jì)算:人員散熱Q,照明散熱Q,電子設(shè)備人散熱形成地冷負(fù) Q。荷計(jì)算值如320辦公室各項(xiàng)冷負(fù)荷值.辦公室302各項(xiàng)冷負(fù)荷總匯表 3-1278910111213Q1117.65102.57100.7377.4371.0571.0576.08Q77.3671.2465.1360.5054.3849.7645.13Q74.7665.0359.4355.551.5647.8445.77Q289.05277.67263.53249.38234.9207.20196.65Q24.2446.0570.2896.94113.85134.76151.03

21、Q76.75116.36148.55170.83196.64215.4207.97Q16.8214.6313.7912.4911.610.7610.30Q176.6475.22291.34315.53332.47344.56238.12Q600600600600600600600Q0077.480.18181.90總計(jì)1614.891624.191839.071864.671891.11927.851837.72時(shí)間141516171819Q188.7106.38127.7149.58173.08194.54Q243.6345.1349.0952.7360.5068.10Q343.9 43.9

22、45.7749.8451.5655.5Q4203.57195.26192.19192.19195.26203.57Q5160.32167.29167.29162.65153.35134.76Q6183.21163.41133.794.0819.5232.19Q79.889.8810.3010.7611.612.49Q8223.6 :330.05349.4359.08368.76257.47Q9600600600600600600Q1062.177.480.18186.982.8總計(jì)1790.231976.971949.871954.871954.41854.43304辦公室冷負(fù)荷地計(jì)算外圍護(hù)結(jié)

23、構(gòu)及門窗冷負(fù)荷計(jì)算屋面,南墻,靠走廊內(nèi)墻,外玻璃窗瞬變傳熱引起地冷負(fù)荷,南外窗日射得熱引起 地冷負(fù)荷,門地冷負(fù)荷,同于辦公室320各項(xiàng)冷負(fù)荷地計(jì)算值.jLBHr。內(nèi)部熱源引起地冷負(fù)荷計(jì)算人員散熱,照明設(shè)備散熱,電子設(shè)備散熱引起地冷負(fù)荷同于 320辦公室各項(xiàng)冷負(fù) 荷計(jì)算值.辦公室304各項(xiàng)冷負(fù)荷總匯表 3-13時(shí)間78910111213Q1117.65102.57100.7377.4371.0571.0576.08Q277.3671.2465.1360.5054.3849.7645.13Q374.7665.0359.4355.5051.5647.8445.77Q424.2446.0570.289

24、6.94113.85134.76151.03Q576.75116.36148.55170.83196.64215.40207.97Q616.8214.6313.7914.4911.610.7610.3Q7177.64175.22291.34315.53332.47344.56238.12Q8600600600600600600600Q90077.480.18181.90總計(jì)1325.841346.491575.541615.291656.21704.31625.54時(shí)間141516171819Q188.71106.08127.7149.58173.08194.54Q243.6345.1319.

25、0952.7360.5068.10Q343.943.95.7747.8451.5655.5Q4160.32167.29167.29162.65153.35134.76Q5183.21163.41133.7094.0849.5232.19Q69.889.88:10.3010.7611.612.49Q7223.6330.05 廠349.4359.08368.76257.47Q8600600600600600600Q962.177.480.18186.982.8總計(jì)1586.661781.711757.81762.681759.141650.86辦公室306,辦公室308,辦公室310,辦公室312

26、,辦公室314,辦公室316, 辦公室318各項(xiàng)冷負(fù)荷計(jì)算值同上.XHAQX311辦公室冷負(fù)荷地計(jì)算:1外圍護(hù)結(jié)構(gòu)冷負(fù)荷地計(jì)算屋面冷負(fù)荷同320辦公室北墻冷負(fù)荷計(jì)算:Q = FK(tm-tN)公式(3-3)tm = (ti - td)k kp 公式(3-4)F:北墻面積2.K:外墻地傳熱系數(shù)m2 k.td = 0 k_: = 0.986 kp = 0.94表 3-14時(shí)間78910111213t ln31.4231.1430.9630.6730.4930.3130.21Q89.5984.9681.9978.4674.2271.2469.59時(shí)間141516171819t ln30.1230.1

27、230.2130.3130.4930.67Q68.168.169.5971.2474.2278.46東墻冷負(fù)荷計(jì)算同320辦公室靠走廊內(nèi)墻冷負(fù)荷表 3-15時(shí)間78910111213t ln28.6828.3127.9427.6627.2927.0126.73Q55.547.8440.1834.3826.7120.9215.12時(shí)間141516171819t ln26.6426.7626.9227.1927.6628.12Q13.2515.1219.0524.6434.3843.92門窗冷負(fù)荷計(jì)算:北外窗進(jìn)入日射引起地冷負(fù)荷 Q二FCzDjCg(公式5)F:北外窗地面積F=3.72 m.Cs=

28、0.93 Cn=0.50 Cz= Cs *Cn=0.465查得緯度為25° 22'北向日射,得熱因數(shù)最大 值m2.12 / 38時(shí)間78910111213Clq0.670.700.720.770.820.8510.84時(shí)間141516171819Clq0.810.780.790.750.560.18玻璃窗瞬變傳熱引起地冷負(fù)荷同辦公室320.辦公室311門地負(fù)荷:Q = FK(tm tN)(公式3)F:門地面積2*1 = 2 m2K:單層木框門傳熱系數(shù),K= 2.33 w/m 2.k表 3-17時(shí)間78910111213tln28.6828.3127.9427.6627.292

29、7.0126.73Q12.4910.769.047.746.014.713.4時(shí)間141516171819tln26.6426.7326.9227.1927.6628.12Q2.983.44.295.557.749.883內(nèi)部熱源散熱引起地冷負(fù)荷人員散熱,照明設(shè)備散熱,電子設(shè)備散熱引起地冷負(fù)荷如辦公室320各項(xiàng)冷負(fù)荷.辦公室311各項(xiàng)冷負(fù)荷總匯表 3-1878910111213Q1117.65102.57100.7377.4354.3879.7676.08Q289.5984.9681.9978.4674.2271.2469.59Q3238226.63214.02203.57198.03198.

30、03203.57Q455.547.8440.1834.3826.7120.9215.12Q524.2446.0570.2896.94113.85134.76151.03Q6212.64222.16228.5243.37260.24269.76266.59Q712.4910.769.047.746.014.713.4Q177.64175.22291.34315.53332.47344.56238.12Q9600600600600600600600Q100077.480.18181.90總計(jì)1527.71516.191707.481712.81763.581796.931623.5時(shí)間141516

31、171819Q188.71106.38127.7149.58173.08194.54Q268.168.169.5971.2474.2278.46Q3214.94229.40243.54257.69269.37280.75Q413.2515.1219.0524.6434.3843.90Q5160.32167.29167.29162.65153.35134.76Q6257.07247.55243.37238.03177.7357.13Q72.983.484.295.557.749.88Q8223.6330.05349.4359.08368.76257.47Q9600600600600600600Q

32、1062.177.480.18186.982.9總計(jì)1691.071868.881904.331949.461955.131739.69辦公室301各項(xiàng)冷負(fù)荷計(jì)算1外圍護(hù)結(jié)構(gòu)冷負(fù)荷計(jì)算屋面,北墻,靠走廊內(nèi)墻,引起地冷負(fù)荷同辦公室311相對應(yīng)各項(xiàng)冷負(fù)荷.靠洗手間內(nèi)墻冷負(fù)荷計(jì)算:Q二FK(tin_tN) 公式3t In = (tl td)k_kp公式 4F:靠洗手間內(nèi)墻面積F=19 m2.K;內(nèi)墻傳熱系數(shù) K=1.72 W/ m k. 表 3-19時(shí)間78910111213t In33.433.0332.5732.1131.6431.2730.90Q241.83229.74214.71199.67

33、184.32172.22160.13時(shí)間141516171819t In30.6230.3530.2530.2530.3530.72Q150.98142.16138.89138.89142.16154.322門窗冷負(fù)荷計(jì)算門,玻璃窗冷負(fù)荷,窗日射得熱引起地冷負(fù)荷同辦公室311相對應(yīng)各項(xiàng)冷負(fù)荷3 內(nèi)部熱源散熱引起地冷負(fù)荷:人員散熱,照明設(shè)備散熱,電腦設(shè)備散熱引起地冷負(fù)荷同辦公室320相對應(yīng)各項(xiàng)冷負(fù)荷值辦公室307冷負(fù)荷總匯如辦公室301辦公室辦公室303冷負(fù)荷計(jì)算1 外圍護(hù)結(jié)構(gòu)及門窗冷負(fù)荷計(jì)算屋面,北墻,靠走廊內(nèi)墻,玻璃窗冷負(fù)荷,門窗日射得熱冷負(fù)荷同辦公室3112 內(nèi)部熱源散熱冷負(fù)荷計(jì)算如同辦公

34、室320相對應(yīng)各項(xiàng)冷負(fù)荷計(jì)算值辦公室305、辦公室309冷負(fù)荷計(jì)算同辦公室303.會(huì)議室冷負(fù)荷計(jì)算1 外圍護(hù)結(jié)構(gòu)冷負(fù)荷計(jì)算會(huì)議室屋頂?shù)刎?fù)荷:Q二FK (t m tN) (3-2)t in = (titd)k: kp (3-3)其中:K:屋頂結(jié)構(gòu)地傳熱系數(shù)0.55w/(m 2.k)F: 屋頂?shù)赜?jì)算面積,根據(jù)已知F= 5.69*7.8 = 44.38 m2 .tn :夏季室內(nèi)空氣地溫度C,tn= 26Ctin :屋頂?shù)乩湄?fù)荷計(jì)算溫度地逐時(shí)值C表 3-20時(shí)間78910111213t in37.6336.5235.5034.6634.2034.2035.57Q263.43238.30215.1919

35、6.16185.74185.74194.12時(shí)間141516171819t in35.5036.8038.3740.0441.7143.28Q215.19144.63280.20316.07355.85391.41會(huì)議室北墻冷負(fù)荷:Q = FK (t ln_tN)(3-4) t in = (tltd)k_kp (3-5)F:北墻面積36*4.262.4*1.8=11.02m傳熱系數(shù)K=1.5 w/m 2.k修正系數(shù)Ka=0.986修正系數(shù)Kp=0.94修正系數(shù)查空氣調(diào)節(jié)得td=1.3表 3-21時(shí)間78910111213t in31.4231.1430.9630.6730.4930.3130.

36、21Q158.05149.88144.63136.18130.93125.68122.76時(shí)間141516171819t ln30.1230.1230.2130.3130.4930.67Q120.14120.14122.76125.68130.93136.18會(huì)議室靠走廊內(nèi)墻冷負(fù)荷:Q = FK (t in _tN) (3-6)tin = (ti td)k_kp (3-7)F:內(nèi)墻面積 36*7.8 2*1 = 26.08m傳熱系數(shù)K=1.5 w/m 2.k修正系數(shù)Ka=0.986 修正系數(shù)Kp=0.94修正系數(shù)查空氣調(diào)節(jié)得td=1.3表 3-22時(shí)間78910111213t ln26.682

37、8.3127.4927.6627.2927.0126.73Q104.8490.3775.8964.9450.4639.5128.56時(shí)間141516171819t ln26.6426.1326.9227.1927.6628.12Q25.0428.5635.9946.5564.9482.93靠電梯內(nèi)墻冷負(fù)荷計(jì)算Q=FK(tlntN) (3-8)tln = (tl td)k_kp(39)F:內(nèi)墻面積:F=19 m2傳熱系數(shù)K=1.5 w/m 2.k修正系數(shù)Ka=0.986修正系數(shù)Kp=0.942.會(huì)議室門窗冷負(fù)荷計(jì)算外玻璃窗瞬變傳熱引起地冷負(fù)荷,逐時(shí)值為320辦公室相對應(yīng)逐時(shí)值地2倍.北外窗日射得

38、熱引起地冷負(fù)荷,逐時(shí)值為311辦公室相對應(yīng)逐時(shí)值地2倍.門地冷負(fù)荷逐時(shí)值為 311辦公室相對應(yīng)逐時(shí)值地 2倍.16 / 383.內(nèi)部熱源引起地冷負(fù)荷人體散熱引起地冷負(fù)荷人體顯熱散熱形成地冷負(fù)荷 Q5,1 = n qiX _T W.(3-10 )n:室內(nèi)總?cè)藬?shù);n=4人:群集系數(shù);(見中央空調(diào)表P66頁2-15)qi:不同室溫和勞動(dòng)性質(zhì)時(shí)成年男子散熱量,W;(見中央空調(diào)表 P67 頁 2-16)qi=63T:人員進(jìn)入空調(diào)房間地時(shí)刻,點(diǎn)鐘;t -T:人員進(jìn)入房間時(shí)到計(jì)算時(shí)刻地時(shí)間,h;X _T : T -T時(shí)刻人體顯熱散熱量地冷負(fù)荷系數(shù)人體散濕形成地潛熱冷負(fù)荷:Q52 = nq2 w(3-11)Q

39、i:名成年男子小時(shí)潛熱散熱量,見中央空調(diào)表 P67頁2-16Qi=45n:室內(nèi)總?cè)藬?shù);n=30人表 3-23時(shí)間1516171819Clq0.490.580.170.130.10Cqx889.061052.35308.45235.87181.44Cql1296Q2185.062348.351604.451531.871477.44照明設(shè)備散熱引起地冷負(fù)荷 熒光燈地冷負(fù)荷Lq=n1n2NClq (3-12)N:照明燈具功率n1:鎮(zhèn)流器消耗功率系數(shù),安裝熒光燈鎮(zhèn)流器裝在頂棚內(nèi)n1=1.0 n2:燈罩隔熱系數(shù),熒光燈罩上部穿小空,下部為玻璃板n2=0.5 Clq:照明散熱冷負(fù)荷系數(shù).電子設(shè)備散熱引起

40、地冷負(fù)荷 會(huì)議室各項(xiàng)冷負(fù)荷總匯表 3-24時(shí)間78910111213Q1263.43238.30215.19196.16185.74185.74194.12Q2158.05149.88144.63136.18130.93125.68122.76Q3104.8490.3775.8964.9450.4639.5128.56Q4187.58175.49162.09150.98145.10145.10150.98Q5425.28444.32457.02486.74520.48539.52533.18Q648.4892.1140.56193.88227.70269.52302.06Q724.9821.5

41、218.0815.4812.029.426.80Q8Q9Q100193050200.25202.5204.75207總匯1312.641412.231413.811446.861477.181521.191338.46時(shí)間141516171819Q1215.19244.63280.20316.07355.85391.41Q2120.14120.14122.76125.68130.68136.18Q325.0428.5635.9946.5564.9482.93Q4163.07178.43193.47208.50220.92233.01Q5514.14494.10486.74476.06476.0

42、46114.26Q6320.64334.58334.58324.30306.70269.52Q75.966.808.5811.1015.4819.76Q82185.062348.351604.451531.871477.44Q9600600600600600Q10155.25193.5200.25202.50204.75207.00總匯1519.434385.804610.923915.213786.053131.51三樓各辦公室冷負(fù)荷逐時(shí)值表 3-25時(shí)間789101112133201403.21417.731640.671675.791710.581754.061670.673021614

43、.891624.161839.071864.671891.101927.851837.723041325.841346.491575.541615.291656.201704.301625.543111527.701516.191707.481712.801763.581796.931623.503011531.981518.301714.171733.631749.871771.121589.233031289.701489.561503.911509.231565.281598.901419.93會(huì)議室1312.641412.231413.811446.861477.181521.1913

44、38.46時(shí)間1415161718193201630.291826.841806.891815.411819.641718.863021790.231976.971949.871954.871954.4018554.433041586.661781.711757.801762.681759.641650.863111691.071868.881904.331949.461955.131739.693011527.131757.451799.591830.661818.321703.203031476.131639.481660.791691.791685.761459.12會(huì)議室1519.434385.804610.923915.213786.053131.51二樓各辦公室各項(xiàng)冷負(fù)荷計(jì)算方法同三樓 二樓各辦公室冷負(fù)荷總匯一覽表表 3-26時(shí)間789101112132201285.551315.161539.941598.361639.53

溫馨提示

  • 1. 本站所有資源如無特殊說明,都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請下載最新的WinRAR軟件解壓。
  • 2. 本站的文檔不包含任何第三方提供的附件圖紙等,如果需要附件,請聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
  • 3. 本站RAR壓縮包中若帶圖紙,網(wǎng)頁內(nèi)容里面會(huì)有圖紙預(yù)覽,若沒有圖紙預(yù)覽就沒有圖紙。
  • 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
  • 5. 人人文庫網(wǎng)僅提供信息存儲(chǔ)空間,僅對用戶上傳內(nèi)容的表現(xiàn)方式做保護(hù)處理,對用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯,并不能對任何下載內(nèi)容負(fù)責(zé)。
  • 6. 下載文件中如有侵權(quán)或不適當(dāng)內(nèi)容,請與我們聯(lián)系,我們立即糾正。
  • 7. 本站不保證下載資源的準(zhǔn)確性、安全性和完整性, 同時(shí)也不承擔(dān)用戶因使用這些下載資源對自己和他人造成任何形式的傷害或損失。

最新文檔

評論

0/150

提交評論