空氣調節(jié)課程任務書原創(chuàng)

第1章工程概述一、建筑概況本子項為吉安某公司辦公樓空調系統(tǒng)設計，地上共3層，其中第一層建筑面積為824.62㎡，二層建筑面積為798.72㎡，三層建筑面積為867.2㎡。建筑結構中外墻（序號44）、內墻（序號2）、屋面（序號2），外窗都無任何遮陽，外窗為玻璃單框雙層塑鋼窗，窗框比約30%。二、室內外設計參數(shù)1.室外設計參數(shù)查《實用供熱空調設計手冊第二版》吉安市夏季空調室外計算日平均溫度：twp=31.9℃緯度：27.93度分經(jīng)度：114.55度分大氣壓力：冬季1015.8pa夏季996.1pa室外計算干球溫度：夏季通風33.5℃室外計算濕球溫度27.7℃2.室內設計參數(shù)查《簡明空調設計手冊》三、主要參考資料[1]GB50019-2003，采暖通風與空氣調節(jié)設計規(guī)范[S].[2]GB/T50114-2001，暖通空調制圖標準[S].[3]陸耀慶.實用供熱空調設計手冊[M].北京：中國建筑工業(yè)出版社，1993.[4]趙榮義.簡明空調設計手冊[M].北京：中國建筑工業(yè)出版社，1998.[5]建筑工程常用數(shù)據(jù)系列手冊編寫組.暖通空調常用數(shù)據(jù)手冊[M].第二版，北京：中國建筑工業(yè)出版社，2002.[6]楊昌智，劉廣大，李念平.暖通空調工程設計方法與系統(tǒng)分析[M].北京：中國建筑工業(yè)出版社，2005.[7]李娥飛.暖通空調設計與通病分析[M].第二版，北京：中國建筑工業(yè)出版社，2004.[8]趙榮義等.空氣調節(jié)[M].第四版，北京：中國建筑工業(yè)出版社，2009.[9]黃翔.空調工程[M].北京：機械工業(yè)出版社，2006.第2章冷熱負荷計算2.1第一層冷負荷的計算一、進行房間編號（各層編號豎向統(tǒng)一，編號用三位數(shù)字，首位數(shù)表示層數(shù)）,見平面圖.由于室內壓力稍高于室外，不存在室外空氣滲透問題，故不需考慮由于外氣滲透所引起的冷負荷。二、準備工作（1）圍護結構的夏季熱工指標各圍護結構的夏季熱工指標從《空氣調節(jié)》附錄2-9查到，結果列入下表。主要圍護結構的夏季熱工指標圍護結構名稱KβξVf備注外墻44號1.950.358.52屋面2號0.90.3792.1淺色表面內墻2號2.010.417.11.9外窗2.86查表20.4-2；；K=2..6，a=1..10（2）房間的分類查《空氣調節(jié)》附錄2-9，內墻（序號2）的放熱衰減度Vf=1.9，樓板的放熱衰減度Vf=1.52~1.8之間，查表2-8可知該房間類型屬于中型。（3）城市的分組根據(jù)《實用供熱空調設計手冊第二版》中表20.2-7，與吉安地理位置較近的南昌屬于以上海為代表城市的那一組，計算外墻、屋面、玻璃窗輻射等負荷項目時，應查上海的有關表格，并注意根據(jù)計算項目的不同加以修正。但確定玻璃窗溫差傳熱的冷負荷時，應直接查表20.4-1并按表注的方法進行修正。三、101房間的冷負荷計算1.溫差傳熱形成的冷負荷以101房間為例，各項溫差傳熱冷負荷的計算過程及計算結果列入下表：各項溫差傳熱的的逐時冷負負荷計算項目計算時刻備注89101112131415161718西北外墻τ-ε-0.50.51.52.53.54.55.56.57.58.59.5tτ-ε34.53433.5333333333333.53434.5查表20.3-1K1.951.951.951.951.951.951.951.951.951.951.95F10.1210.1210.1210.1210.1210.1210.1210.1210.1210.1210.12△11111111111tn2626262626262626262626Qτ=KF(t+△△-tn))187.47177.61167.74157.87157.87157.87157.87157.87167.74177.61187.47西南外墻tτ-ε34.53433.53333333333.53434.535.5查表20.3-1K1.951.951.951.951.951.951.951.951.951.951.95F22.6822.6822.6822.6822.6822.6822.6822.6822.6822.6822.68△11111111111tn2626262626262626262626Qτ=KF(t+△△-tn))420.15398.03375.92353.81353.81353.81353.81375.92398.03420.15464.37外窗(西北)tτ3132323334343435343434查表20.4-1a1.11.11.11.11.11.11.11.11.11.11.1K2.62.62.62.62.62.62.62.62.62.62.6tn2626262626262626262626F55555555555Qτ=aKF(t--tn)71.585.885.8100.1114.4114.4114.4128.7114.4114.4114.4101房間冷負負荷小計∑Qτ679.12661.44629.46611.78626.08626.08626.08662.49680.17712.15766.25102房間冷負負荷小計∑Qτ258.97263.41253.54257.97272.27272.27272.27286.57282.14292.01301.872.透過玻璃窗太陽輻射形成的冷負荷透過玻璃窗太陽輻射形成的冷負荷計算過程見下表：透過玻璃窗的太太陽輻射逐逐時冷負荷荷計算計算項目計算時刻89101112131415161718西北窗F55555555555Xg0.540.540.540.540.540.540.540.540.540.540.54Xd1.091.091.091.091.091.091.091.091.091.091.09Jwτ597589101110116143192242268254Qτ=FXgXdJJwτ173.64220.73261.93297.24323.73341.39420.85565.06712.21788.72747.523．室內發(fā)熱量形成的冷負荷室內熱源形成的冷負荷計算過程見下表。其中人體單位顯熱散熱量可以從表20.7-3查到：q1=61W.由于缺少數(shù)據(jù)根據(jù)空調區(qū)的使用面積按表20.7-1給出的人均面積指標推算：普通辦公室n=F/4;會議室n=F/2.5;走廊n=F/50;其他n=F/20,群集系數(shù)φ=0.9。Qτ=φnq1Xτ-T。室內發(fā)熱量形成成的冷負荷荷計算計算項目計算時刻89101112131415161718人體φ==0.9n=44.86q11=61上午T=8連續(xù)工作作小時數(shù)=4τ-T012345678910Xτ-T0.480.670.730.780.350.180.140.110.090.080.06φ0.90.90.90.90.90.90.90.90.90.90.9n12.9612.9612.9612.9612.9612.9612.9612.9612.9612.9612.96q16161616161616161616161Qτ1341.52476.71519.4554.97249.03128.0799.6178.2764.0456.9242.69下午T=14連續(xù)工工作小時數(shù)數(shù)=4τ-T01234Xτ-T0.480.670.730.780.35Qτ2341.5476.7519.4555249Qτ=Qτ1+Qτ2341.52476.71519.4554.97249.03128.07441.1555583.4611.9291.7燈光n1=0.8N=2213.884上午T=8連續(xù)工作作小時數(shù)=4τ-T012345678910Xτ-T0.360.570.650.710.410.230.180.150.120.10.08n10.80.80.80.80.80.80.80.80.80.80.8N12961296129612961296129612961296129612961296Qτ1373.25590.98673.92736.13425.09238.46186.6155.5124.4103.782.94下午T=14連續(xù)工工作小時數(shù)數(shù)=4τ-T01234Xτ-T0.360.570.650.710.41Qτ2373.2591673.9736.1425.1Qτ=Qτ1+Qτ2373.25590.98673.92736.13425.09238.46559.9746.5798.3839.8508冷負荷小計∑QQτ714.771067.71193.31291.1674.11366.531001130113821452799.74.人體潛熱冷負荷取φ=0.9，n=4.86,查《實用供熱空調設計手冊第二版》下冊中表20.7-3知，人體潛熱散熱量q2=73W。人體潛熱散熱量形成的冷負荷計算Qτ=φnτq2=0.9*4.86*73=319.302W計算結果列入表。5.人體散濕負荷散濕量為房間中的人，取φ=0.9，n=4.86,查《實用供熱空調設計手冊第二版》下冊中表20.7-3知，人體單位散濕量g=109g/h,Dτ=0.001φnτg=0.001*0.9*4.86*109=0.48(kg/h)6.房間總負荷整個房間的全熱冷負荷與濕負荷匯總于表。由表可以看出：房間的計算冷負荷為2181W；計算濕負荷為0.48kg/h；對應的計算時刻可為下午17時。101房間冷負負荷與濕負負荷匯總負荷項目計算時刻τ89101112131415161718傳熱負荷679.12661.44629.46611.78626.08626.1626.08662.49680.17712.15766.25輻射負荷173.64220.73261.93297.24323.73341.4420.85565.06712.21788.72747.52室內發(fā)熱負荷189.66276.28305.97329.58163.5287.37257.8331.29350.51360.78309.46人體潛熱負荷319.3319.3319.3319.300319.3319.3319.3319.3319.3房間全負荷1361.71477.71516.71557.91113.3105516241878.12062.221812142.5房間濕負荷0.480.480.480.48000.480.480.480.480.48四、第一層其他房間的全熱冷負荷與濕負荷匯總于下表：102、1033、107房間冷負負荷與濕負負荷匯總負荷項目計算時刻τ89101112131415161718傳熱負荷258.97263.41253.54257.97272.27272.3272.27286.57282.14292.01301.87輻射負荷173.64220.73261.93297.24323.73341.4420.85565.06712.21788.72747.52室內發(fā)熱負荷189.66276.28305.97329.58163.5287.37257.8331.29350.51360.78309.46人體潛熱負荷319.3319.3319.3319.300319.3319.3319.3319.3319.3房間全負荷941.571079.71140.71204.1759.527011270.21502.21664.21760.81678.1房間濕負荷0.480.480.480.48000.480.480.480.480.48104房間冷負負荷與濕負負荷匯總房間全負荷1883.12159.42281.52408.2151914022540.43004.43328.33521.63356.3房間濕負荷0.960.960.960.96000.960.960.960.960.96109房間冷負負荷與濕負負荷匯總負荷項目計算時刻τ89101112131415161718傳熱負荷551.03553.82542.32545.11559.41559.4559.41573.71570.92582.42593.93輻射負荷173.64220.73261.93297.24323.73341.4420.85565.06712.21788.72747.52室內發(fā)熱負荷210.73306.97339.97366.2181.6997.08286.45368.1389.46408.92214.69人體潛熱負荷354.78354.78354.78354.7800354.78354.78354.78354.78354.78房間全負荷1290.21436.314991563.31064.8997.91621.51861.62027.42134.81910.9房間濕負荷0.530.530.530.53000.530.530.530.530.53108房間冷負負荷與濕負負荷匯總房間全負荷2058.52350.72476.12604.81607.814742721.13201.43532.93747.83300房間濕負荷1.061.061.061.06001.061.061.061.061.06105房間冷負負荷與濕負負荷匯總負荷項目計算時刻τ89101112131415161718傳熱負荷519.91524.34514.47518.91533.21533.2533.21547.51543.07552.94562.81輻射負荷173.64220.73261.93297.24323.73341.4420.85565.06712.21788.72747.52室內發(fā)熱負荷189.66276.28305.97329.58163.5287.37257.8331.29350.51360.78309.46人體潛熱負荷319.3319.3319.3319.300319.3319.3319.3319.3319.3房間全負荷1202.51340.61401.714651020.59621531.21763.21925.12021.71939.1房間濕負荷0.480.480.480.48000.480.480.480.480.48106房間冷負負荷與濕負負荷匯總房間全負荷2144.12420.42542.42669.1178016632801.43265.43589.33782.63617.2房間濕負荷0.960.960.960.96000.960.960.960.960.96110房間冷負負荷與濕負負荷匯總負荷項目計算時刻τ89101112131415161718傳熱負荷706.07685.93661.36651.09675.26695704.86753.6783.6818.04877.05輻射負荷473.82626.86703.38697.49623.92553.3512.08473.82432.62379.65320.79室內發(fā)熱負荷210.73306.97339.97366.2181.6997.08286.45368.1389.46408.92214.69人體潛熱負荷354.78354.78354.78354.7800354.78354.78354.78354.78354.78房間全負荷1745.41974.52059.52069.61480.913451858.21950.31960.51961.41767.3房間濕負荷0.520.520.520.52000.520.520.520.520.52111房間冷負負荷與濕負負荷匯總負荷項目計算時刻τ89101112131415161718傳熱負荷916.31963.1957.911026.31126.611801206.91312.51292.41324.41361.6輻射負荷2283.328943144.730782836.826892667.82639.12525.22283.51930.3室內發(fā)熱負荷590.04859.53951.911025.3508.74271.8802.061030.71090.51145601.13人體潛熱負荷993.38993.38993.38993.3800993.38993.38993.38993.38993.38房間全負荷478357106047.961234472.141415670.15975.75901.55746.34886.4房間濕負荷1.481.481.481.48001.481.481.481.481.48112房間冷負負荷與濕負負荷匯總負荷項目計算時刻τ89101112131415161718傳熱負荷464.37497.02497.02543.35603.37630.8644.44704.46685.5699.19712.88輻射負荷1535.220312278.92259.92021.517931659.11535.21401.71230.11039.3室內發(fā)熱負荷421.46613.95679.94732.39363.39194.2572.9736.19778.92817.84429.38人體潛熱負荷709.56709.56709.56709.5600709.56709.56709.56709.56709.56房間全負荷3130.63851.54165.44245.22988.3261835863685.43575.73456.72891.1房間濕負荷1.061.061.061.06001.061.061.061.061.06113房間冷負負荷與濕負負荷匯總傳熱負荷232.19248.51248.51271.67301.68315.4322.22352.23342.75349.6356.44輻射負荷767.61015.51139.511301010.8896.3829.55767.6700.85615.05519.65室內發(fā)熱負荷96.889148.07166.84181.298.68554.39139.4183.11194.98204.96117.45人體潛熱負荷70.9670.9670.9670.960070.9670.9670.9670.9670.96房間全負荷1167.614831625.81653.81411.112661362.11373.91309.51240.61064.5房間濕負荷0.110.110.110.11000.110.110.110.110.11115房間冷負負荷與濕負負荷匯總負荷項目計算時刻τ89101112131415161718傳熱負荷1215.912821276.81368.41495.715571587.61720.21684.71720.51761.6輻射負荷3050.83909.54284.14207.93847.535863497.33406.732262898.52450室內發(fā)熱負荷409.09625.19704.42765.09416.67229.7588.6773.11823.25865.37495.9人體潛熱負荷299.59299.59299.59299.5900299.59299.59299.59299.59299.59房間全負荷4975.46116.36564.966415759.953725973.16199.66033.557845007.1房間濕負荷0.450.450.450.45000.450.450.450.450.45114房間冷負負荷與濕負負荷匯總負荷項目計算時刻τ89101112131415161718傳熱負荷1675.71731.41721.618231989.6210121562332.52332.22397.52472.6輻射負荷4328.15475.25872.85561474041743887.53581.53218.22771.92262.7室內發(fā)熱負荷714.771067.71193.31291.1674.11366.510011301.51381.81451.7799.75人體潛熱負荷851.47851.47851.47851.4700851.47851.47851.47851.47851.47房間全負荷75709125.89639.29526.67403.76641789680677783.77472.66386.5房間濕負荷1.271.271.271.27001.271.271.271.271.27102、103、107房間的計算冷負荷為1760.8W；計算濕負荷為0.48kg/h；對應的計算時刻可以為下午17時。104房間的計算冷負荷為3521.6W；計算濕負荷為0.96kg/h；對應的計算時刻可為下午17時。109房間的計算冷負荷為2134.8W；計算濕負荷為0.53kg/h；對應的計算時刻可為下午17時。108房間的計算冷負荷為3747.8W；計算濕負荷為1.06kg/h；對應的計算時刻可為下午17時。105房間的計算冷負荷為2021.7W；計算濕負荷為0.48kg/h；對應的計算時刻可為下午17時。106房間的計算冷負荷為3782.6W；計算濕負荷為0.96kg/h；110房間的計算冷負荷為2069.6W；計算濕負荷為0.52kg/h；111房間的計算冷負荷為6123W；計算濕負荷為1.48kg/h；112房間的計算冷負荷為4245.2W；計算濕負荷為1.06kg/h；113房間的計算冷負荷為1653.8W；計算濕負荷為0.11kg/h；114房間的計算冷負荷為9639.2W；計算濕負荷為1.27kg/h；115房間的計算冷負荷為6641W；計算濕負荷為0.45kg/h。2.2第二層冷負荷的計算一、201房間的冷負荷計算1、以201房間為例，各項溫差傳熱冷負荷的計算過程及計算結果列入下表：各項溫差傳熱的的逐時冷負負荷計算項目計算時刻備注89101112131415161718西北外墻τ-ε-0.50.51.52.53.54.55.56.57.58.59.5tτ-ε34.53433.5333333333333.53434.5查表20.3-1K1.951.951.951.951.951.951.951.951.951.951.95F7.967.967.967.967.967.967.967.967.967.967.96△11111111111tn2626262626262626262626Qτ=KF(t+△△-tn))147.5139.7131.9124.2124.2124.2124.2124.2132140147.5內墻K1.951.951.951.951.951.951.951.951.951.951.95F19.4419.4419.4419.4419.4419.4419.4419.4419.419.419.44twp31.931.931.931.931.931.931.931.931.931.931.9tn2626262626262626262626Q=KF(twwp-tnn)223.7223.66223.7223.7223.7223.7223.7223.7224224223.7外窗(西北)tτ3132323334343435343434查表20.4-1a1.11.11.11.11.11.11.11.11.11.11.1K2.62.62.62.62.62.62.62.62.62.62.6tn2626262626262626262626F55555555555Qτ=aKF(t--tn)71.585.885.8100.1114.4114.4114.4128.7114114114.4201房間冷負負荷小計∑Qτ442.6449.16441.4447.9462.2462.2462.2476.5470478485.52、透過玻璃窗太陽輻射形成的冷負荷計算過程見下表：透過玻璃窗的太太陽輻射逐逐時冷負荷荷計算計算項目計算時刻89101112131415161718西北窗F55555555555Xg0.540.540.540.540.540.540.540.540.540.540.54Xd1.091.091.091.091.091.091.091.091.091.091.09Jwτ597589101110116143192242268254Qτ=FXgXdJJwτ173.64220.73261.93297.24323.73341.39420.85565.06712.21788.72747.523、室內熱源形成的冷負荷計算過程見下表：室內發(fā)熱量形成成的冷負荷荷計算計算項目計算時刻89101112131415161718人體φ==0.9n=44.86q11=61上午T=8連續(xù)工作作小時數(shù)=4τ-T012345678910Xτ-T0.480.670.730.780.350.180.140.110.090.080.06φ0.90.90.90.90.90.90.90.90.90.90.9n12.9612.9612.9612.9612.9612.9612.9612.9612.9612.9612.96q16161616161616161616161Qτ1341.52476.71519.4554.97249.03128.0799.6178.2764.0456.9242.69下午T=14連續(xù)工工作小時數(shù)數(shù)=4τ-T01234Xτ-T0.480.670.730.780.35Qτ2341.5476.7519.4555249Qτ=Qτ1+Qτ2341.52476.71519.4554.97249.03128.07441.1555583.4611.9291.7燈光n1=0.8N=2213.884上午T=8連續(xù)工作作小時數(shù)=4τ-T012345678910Xτ-T0.360.570.650.710.410.230.180.150.120.10.08n10.80.80.80.80.80.80.80.80.80.80.8N12961296129612961296129612961296129612961296Qτ1373.25590.98673.92736.13425.09238.46186.6155.5124.4103.782.94下午T=14連續(xù)工工作小時數(shù)數(shù)=4τ-T01234Xτ-T0.360.570.650.710.41Qτ2373.2591673.9736.1425.1Qτ=Qτ1+Qτ2373.25590.98673.92736.13425.09238.46559.9746.5798.3839.8508冷負荷小計∑QQτ714.771067.71193.31291.1674.11366.531001130113821452799.74.人體潛熱冷負荷取φ=0.9，n=4.86,查《實用供熱空調設計手冊第二版》下冊中表20.7-3知，人體潛熱散熱量q2=73W。人體潛熱散熱量形成的冷負荷計算Qτ=φnτq2=0.9*4.86*73=319.302W計算結果列入表。5.人體散濕負荷散濕量為房間中的人，取φ=0.9，n=4.86,查《實用供熱空調設計手冊第二版》下冊中表20.7-3知，人體單位散濕量g=109g/h,Dτ=0.001φnτg=0.001*0.9*4.86*109=0.48(kg/h)6.房間總負荷整個房間的全熱冷負荷與濕負荷匯總于表。201房間冷負負荷與濕負負荷匯總負荷項目計算時刻τ89101112131415161718傳熱負荷442.62449.16441.39447.93462.23462.2462.23476.53469.99477.76485.52輻射負荷173.64220.73261.93297.24323.73341.4420.85565.06712.21788.72747.52室內發(fā)熱負荷189.66276.28305.97329.58163.5287.37257.8331.29350.51360.78309.46人體潛熱負荷319.3319.3319.3319.300319.3319.3319.3319.3319.3房間全負荷1125.21265.51328.61394.1949.488911460.21692.218521946.61861.8房間濕負荷0.480.480.480.48000.480.480.480.480.48二、第二層其他房間的全熱冷負荷與濕負荷匯總于下表：202、2033、204、207房間冷負負荷與濕負負荷匯總負荷項目計算時刻τ89101112131415161718傳熱負荷218.96225.5217.74224.28238.58238.6238.58252.88246.34254.1261.86輻射負荷173.64220.73261.93297.24323.73341.4420.85565.06712.21788.72747.52室內發(fā)熱負荷189.66276.28305.97329.58163.5287.37257.8331.29350.51360.78309.46人體潛熱負荷319.3319.3319.3319.300319.3319.3319.3319.3319.3房間全負荷901.561041.81104.91170.4725.83667.31236.51468.51628.41722.91638.1房間濕負荷0.480.480.480.48000.480.480.480.480.48205、2066房間冷負負荷與濕負負荷匯總負荷項目計算時刻τ89101112131415161718傳熱負荷885.23898.31882.79895.87924.47924.5924.47953.07939.99955.51971.03輻射負荷347.27441.45523.85594.49647.46682.8841.71130.11424.41577.41495室內發(fā)熱負荷379.31552.55611.94659.15327.05174.7515.61662.57701.03721.55618.91人體潛熱負荷638.6638.6638.6638.600638.6638.6638.6638.6638.6房間全負荷2250.42530.92657.22788.1189917822920.43384.437043893.13723.6房間濕負荷0.960.960.960.96000.960.960.960.960.96209房間冷負負荷與濕負負荷匯總負荷項目計算時刻τ89101112131415161718傳熱負荷513.75516.55505.04507.84522.14522.1522.14536.44533.64545.15556.65輻射負荷173.64220.73261.93297.24323.73341.4420.85565.06712.21788.72747.52室內發(fā)熱負荷210.73306.97339.97366.2181.6997.08286.45368.1389.46408.92214.69人體潛熱負荷354.78354.78354.78354.7800354.78354.78354.78354.78354.78房間全負荷1252.913991461.71526.11027.6960.61584.21824.41990.12097.61873.6房間濕負荷0.530.530.530.53000.530.530.530.530.53208房間冷負負荷與濕負負荷匯總房間全負荷2505.82798.12923.43052.12055.119213168.43648.83980.24195.13747.3房間濕負荷1.061.061.061.06001.061.061.061.061.06210房間冷負負荷與濕負負荷匯總負荷項目計算時刻τ89101112131415161718傳熱負荷603.58589.06568561.24583.3598.8606.58649.7671.98700.8750.69輻射負荷473.82626.86703.38697.49623.92553.3512.08473.82432.62379.65320.79室內發(fā)熱負荷210.73306.97339.97366.2181.6997.08286.45368.1389.46408.92214.69人體潛熱負荷354.78354.78354.78354.7800354.78354.78354.78354.78354.78房間全負荷1642.91877.71966.11979.71388.912491759.91846.41848.81844.21641房間濕負荷0.520.520.520.52000.520.520.520.520.52211房間冷負負荷與濕負負荷匯總負荷項目計算時刻τ89101112131415161718傳熱負荷661.31721.61717.83787.6874.42900.9914.21004.8957.76974.81995.63輻射負荷2283.328943144.730782836.826892667.82639.12525.22283.51930.3室內發(fā)熱負荷590.04859.53951.911025.3508.74271.8802.061030.71090.51145601.13人體潛熱負荷993.38993.38993.38993.3800993.38993.38993.38993.38993.38房間全負荷45285468.55807.85884.3422038625377.456685566.85396.74520.4房間濕負荷1.481.481.481.48001.481.481.481.481.48212房間冷負負荷與濕負負荷匯總負荷項目計算時刻τ89101112131415161718傳熱負荷589.151288.91288.91427.91595.316521680.618481765.91794.31822.7輻射負荷2302.83046.53418.43389.83032.226892488.72302.82102.51845.11559室內發(fā)熱負荷632.19920.921019.91098.6545.08291.2859.351104.31168.41226.8644.06人體潛熱負荷1064.31064.31064.31064.3001064.31064.31064.31064.31064.3房間全負荷4588.56320.76791.56980.65172.6463260936319.46101.15930.55090.1房間濕負荷1.591.591.591.59001.591.591.591.591.59213房間冷負負荷與濕負負荷匯總負荷項目計算時刻τ89101112131415161718傳熱負荷589.151288.91288.91427.91595.316521680.618481765.91794.31822.7輻射負荷2302.83046.53418.43389.83032.226892488.72302.82102.51845.11559室內發(fā)熱負荷888.331278.51409.51514.8731.85387.31190.21520.516061685.7862.85人體潛熱負荷1702.91702.91702.91702.9001702.91702.91702.91702.91702.9房間全負荷5483.27316.87819.78035.45359.447297062.47374.27177.370285947.5房間濕負荷2.542.542.542.54002.542.542.542.542.54214房間冷負負荷與濕負負荷匯總負荷項目計算時刻τ89101112131415161718傳熱負荷617.82646.68641.5682.64741.26765.8778.11841.92825.34842.81865.47輻射負荷2196.42823.93080.22968.7257922772115.81952.61765.91532.61269.1室內發(fā)熱負荷561.95818.6906.58976.52484.52258.9763.86981.591038.61090.5572.5人體潛熱負荷946.08946.08946.08946.0800946.08946.08946.08946.08946.08房間全負荷4322.35235.35574.45573.93804.833024603.94722.24575.944123653.2房間濕負荷1.411.411.411.41001.411.411.411.411.41215房間冷負負荷與濕負負荷匯總負荷項目計算時刻τ89101112131415161718傳熱負荷725.19755.83755.83792.61860.37922.3953.331021.11021.41052.41083.4輻射負荷1353.21671.11758.71667.91501136412751190.71087.5959.64811.06室內發(fā)熱負荷150.72230.33259.52281.87153.5184.61216.85284.83303.3318.82182.7人體潛熱負荷110.38110.38110.38110.3800110.38110.38110.38110.38110.38房間全負荷2339.52767.62884.42852.82514.923712555.626072522.62441.22187.5房間濕負荷0.160.160.160.16000.160.160.160.160.16216房間冷負負荷與濕負負荷匯總負荷項目計算時刻τ89101112131415161718傳熱負荷403.31411.37411.37427.33456.8483.8497.34526.82532.27545.78559.3輻射負荷610.15735.17754.46702.12633.57581.9546.06511.83467.55413.52349.52室內發(fā)熱負荷112.12171.89193.89210.7115.3963.71161.92212.98226.88238.5137.38人體潛熱負荷74.974.974.974.90074.974.974.974.974.9房間全負荷1200.51393.31434.61415.11205.811291280.21326.51301.61272.71121.1房間濕負荷0.110.110.110.11000.110.110.110.110.11201房間的計算冷負荷為1946.6W；計算濕負荷為0.48kg/h；202、203、204、207房間的計算冷負荷為1722.9W；計算濕負荷為0.48kg/h；205、206房間的計算冷負荷為3893.1W；計算濕負荷為0.96kg/h；208房間的計算冷負荷為4195.1W；計算濕負荷為1.06kg/h；209房間的計算冷負荷為2097.6W；計算濕負荷為0.53kg/h；210房間的計算冷負荷為1979.7W；計算濕負荷為0.52kg/h；211房間的計算冷負荷為5884.3W；計算濕負荷為1.48kg/h；212房間的計算冷負荷為6980.6W；計算濕負荷為1.59kg/h；213房間的計算冷負荷為8035.4W；計算濕負荷為2.54kg/h；214房間的計算冷負荷為5573.9W；計算濕負荷為1.41kg/h；215房間的計算冷負荷為2884.4W；計算濕負荷為0.16kg/h；216房間的計算冷負荷為1434.6W；計算濕負荷為0.11kg/h。2.3第三層冷負荷的計算一、301房間的冷負荷計算1、以301房間為例，各項溫差傳熱冷負荷的計算過程及計算結果列入下表：各項溫差傳熱的的逐時冷負負荷計算項目計算時刻89101112131415161718西北外墻τ-ε-0.50.51.52.53.54.55.56.57.58.59.5tτ-ε34.53433.5333333333333.53434.5K1.951.951.951.951.951.951.951.951.951.951.95F7.967.967.967.967.967.967.967.967.967.967.96△11111111111tn2626262626262626262626Qτ=KF(t+△△-tn))147.5139.7131.9124.2124.2124.2124.18124.2132140147.46內墻K1.951.951.951.951.951.951.951.951.951.951.95F19.4419.4419.4419.4419.4419.4419.4419.4419.419.419.44twp31.931.931.931.931.931.931.931.931.931.931.9tn2626262626262626262626Q=KF(twwp-tnn)223.7223.66223.7223.7223.7223.7223.66223.7224224223.66外窗(西北)tτ3132323334343435343434a1.11.11.11.11.11.11.11.11.11.11.1K2.62.62.62.62.62.62.62.62.62.62.6tn2626262626262626262626F55555555555Qτ=aKF(t--tn)71.585.885.8100.1114.4114.4114.4128.7114114114.4屋面τ-ε230123456789tτ-ε3434333332333334353637K0.90.90.90.90.90.90.90.90.90.90.9F19.4419.4419.4419.4419.4419.4419.4419.4419.419.419.44△11111111111tn2626262626262626262626Qτ=KF(t+△△-tn))157.5157.46140140122.5140139.97157.5175192209.95301房間冷負負荷小計∑Qτ600.1606.62581.4587.9584.7602.2602.2634645670695.472、透過玻璃窗太陽輻射形成的冷負荷計算過程見下表：透過玻璃窗的太太陽輻射逐逐時冷負荷荷計算計算項目計算時刻89101112131415161718西北窗F55555555555Xg0.540.540.540.540.540.540.540.540.540.540.54Xd1.091.091.091.091.091.091.091.091.091.091.09Jwτ597589101110116143192242268254Qτ=FXgXdJJwτ173.64220.73261.93297.24323.73341.39420.85565.06712.21788.72747.523、室內熱源形成的冷負荷計算過程見下表：室內發(fā)熱量形成成的冷負荷荷計算計算項目計算時刻89101112131415161718人體φ==0.9n=44.86q11=61上午T=8連續(xù)工作作小時數(shù)=4τ-T012345678910Xτ-T0.480.670.730.780.350.180.140.110.090.080.06φ0.90.90.90.90.90.90.90.90.90.90.9n12.9612.9612.9612.9612.9612.9612.9612.9612.9612.9612.96q16161616161616161616161Qτ1341.52476.71519.4554.97249.03128.0799.6178.2764.0456.9242.69下午T=14連續(xù)工工作小時數(shù)數(shù)=4τ-T01234Xτ-T0.480.670.730.780.35Qτ2341.5476.7519.4555249Qτ=Qτ1+Qτ2341.52476.71519.4554.97249.03128.07441.1555583.4611.9291.7燈光n1=0.8N=2213.884上午T=8連續(xù)工作作小時數(shù)=4τ-T012345678910Xτ-T0.360.570.650.710.410.230.180.150.120.10.08n10.80.80.80.80.80.80.80.80.80.80.8N12961296129612961296129612961296129612961296Qτ1373.25590.98673.92736.13425.09238.46186.6155.5124.4103.782.94下午T=14連續(xù)工工作小時數(shù)數(shù)=4τ-T01234Xτ-T0.360.570.650.710.41Qτ2373.2591673.9736.1425.1Qτ=Qτ1+Qτ2373.25590.98673.92736.13425.09238.46559.9746.5798.3839.8508冷負荷小計∑QQτ714.771067.71193.31291.1674.11366.531001130113821452799.74.人體潛熱冷負荷取φ=0.9，n=4.86,查《實用供熱空調設計手冊第二版》下冊中表20.7-3知，人體潛熱散熱量q2=73W。人體潛熱散熱量形成的冷負荷計算Qτ=φnτq2=0.9*4.86*73=319.302W計算結果列入表。5.人體散濕負荷散濕量為房間中的人，取φ=0.9，n=4.86,查《實用供熱空調設計手冊第二版》下冊中表20.7-3知，人體單位散濕量g=109g/h,Dτ=0.001φnτg=0.001*0.9*4.86*109=0.48(kg/h)6.房間總負荷整個房間的全熱冷負荷與濕負荷匯總于表。301房間冷負負荷與濕負負荷匯總負荷項目計算時刻τ89101112131415161718傳熱負荷600607581588585602602634645670695.47輻射負荷173.64220.73261.93297.24323.73341.4420.85565.06712.21788.72747.52室內發(fā)熱負荷189.66276.28305.97329.58163.5287.37257.8331.29350.51360.78309.46人體潛熱負荷319.3319.3319.3319.300319.3319.3319.3319.3319.3房間全負荷1282.61423.31468.21534.11072.3103116001849.620272138.82071.7房間濕負荷0.480.480.480.48000.480.480.480.480.48二、第三層其他房間的全熱冷負荷與濕負荷匯總于下表：301房間冷負負荷與濕負負荷匯總負荷項目計算時刻τ89101112131415161718傳熱負荷600.1606.62581.4587.9584.7602.2602.2634645670695.47輻射負荷173.64220.73261.93297.24323.73341.4420.85565.06712.21788.72747.52室內發(fā)熱負荷189.66276.28305.97329.58163.5287.37257.8331.29350.51360.78309.46人體潛熱負荷319.3319.3319.3319.300319.3319.3319.3319.3319.3房間全負荷1282.71422.91468.61534107210311600.21849.620272138.82071.7房間濕負荷0.480.480.480.48000.480.480.480.480.48302、3033、304、307房間冷負負荷與濕負負荷匯總傳熱負荷376.4382.96357.7364.2361378.5378.54410.3421447471.81輻射負荷173.64220.73261.93297.24323.73341.4420.85565.06712.21788.72747.52室內發(fā)熱負荷189.66276.28305.97329.58163.5287.37257.8331.29350.51360.78309.46人體潛熱負荷319.3319.3319.3319.300319.3319.3319.3319.3319.3房間全負荷10591199.31244.91310.3848.25807.31376.51625.918031915.81848.1房間濕負荷0.480.480.480.48000.480.480.480.480.48305、3066房間冷負負荷與濕負負荷匯總傳熱負荷1200.11213.21162.71175.81169.412041204.4126812901340.51390.9輻射負荷347.27441.45523.85594.49647.46682.8841.71130.11424.41577.41495室內發(fā)熱負荷379.31552.55611.94659.15327.05174.7515.61662.57701.03721.55618.91人體潛熱負荷638.6638.6638.6638.600638.6638.6638.6638.6638.6房間全負荷2565.32845.82937.130682143.920623200.33699.340544278.14143.5房間濕負荷0.960.960.960.96000.960.960.960.960.96309房間冷負負荷與濕負負荷匯總傳熱負荷688.75691.51660.54663.34658.24677.6677.66711.44727.64759.15789.93輻射負荷173.64220.73261.93297.24323.73341.4420.85565.06712.21788.72747.52室內發(fā)熱負荷210.73306.97339.97366.2181.6997.08286.45368.1389.46408.92214.69人體潛熱負荷354.78354.78354.78354.7800354.78354.78354.78354.78354.78房間全負荷1427.915741617.21681.61163.711161739.71999.42184.12311.62106.9房間濕負荷0.530.530.530.53000.530.530.530.530.53308房間冷負負荷與濕負負荷匯總房間全負荷2855.831483234.43363.12327.322323479.53998.84368.24623.14213.8房間濕負荷1.061.061.061.06001.061.061.061.061.06310房間冷負負荷與濕負負荷匯總負荷項目計算時刻τ89101112131415161718傳熱負荷778.58764.02723.5716.74719.4754.3762.1824.7865.98914.8983.97輻射負荷473.82626.86703.38697.49623.92553.3512.08473.82432.62379.65320.79室內發(fā)熱負荷210.73306.97339.97366.2181.6997.08286.45368.1389.46408.92214.69人體潛熱負荷354.78354.78354.78354.7800354.78354.78354.78354.78354.78房間全負荷1817.92052.62121.62135.2152514051915.42021.42042.82058.21874.2房間濕負荷0.520.520.520.52000.520.520.520.520.52311房間冷負負荷與濕負負荷匯總負荷項目計算時刻τ89101112131415161718傳熱負荷1151.21211.51153.31223.11255.413361349.71494.71501.81573.81648.8輻射負荷2283.328943144.730782836.826892667.82639.12525.22283.51930.3室內發(fā)熱負荷590.04859.53951.911025.3508.74271.8802.061030.71090.51145601.13人體潛熱負荷993.38993.38993.38993.3800993.38993.38993.38993.38993.38房間全負荷5017.95958.46243.36319.84600.942975812.96157.96110.95995.75173.6房間濕負荷1.481.481.481.48001.481.481.481.481.48312房間冷負負荷與濕負負荷匯總負荷項目計算時刻τ89101112131415161718傳熱負荷1114.11813.81755.51894.52003.521192147.22372.92348.92436.32522.5輻射負荷2302.83046.53418.43389.83032.226892488.72302.82102.51845.11559室內發(fā)熱負荷632.19920.921019.91098.6545.08291.2859.351104.31168.41226.8644.06人體潛熱負荷1064.31064.31064.31064.3001064.31064.31064.31064.31064.3房間全負荷5113.46845.67258.17447.25580.850996559.66844.36684.16572.55789.9房間濕負荷1.591.591.591.59001.591.591.591.591.59313房間冷負負荷與濕負負荷匯總負荷項目計算時刻τ89101112131415161718傳熱負荷1114.11813.81755.51894.52003.521192147.22372.92348.92436.32522.5輻射負荷2302.83046.53418.43389.83032.226892488.72302.82102.51845.11559室內發(fā)熱負荷290.7444.21500.51543.61296.1163.2418.2549.3584.9614.9352.3人體潛熱負荷212.87212.87212.87212.8700212.87212.87212.87212.87212.87房間全負荷3920.55517.45887.36040.85331.849715266.95437.95249.25109.24646.7房間濕負荷0.320.320.320.32000.320.320.320.320.32314房間冷負負荷與濕負負荷匯總負荷項目計算時刻τ89101112131415161718傳熱負荷1967.91869.51787.41847.31868.520372080.32265.72349.724752600.2輻射負荷3050.83650.54039.63995.53653.934013321.43239.63073.32762.42334.9室內發(fā)熱負荷889.751296.11435.41546.2767.2409.91209155416441727906.5人體潛熱負荷14981498149814980014981498149814981498房間全負荷7406.48314.18760.488876289.658488108.78557.385658462.47339.6房間濕負荷2.242.242.242.24002.242.242.242.242.24315房間冷負負荷與濕負負荷匯總負荷項目計算時刻τ89101112131415161718傳熱負荷2407.52491.82311.42403.52328.825362549.72835.82945.43139.33333.1輻射負荷2994.837754072.33955.63619.633873304.93219.43044.62736.32313室內發(fā)熱負荷394.25604.41681.75740.85405.7224569.4748.9797.8838.6483人體潛熱負荷263.46263.46263.46263.4600263.46263.46263.46263.46263.46房間全負荷60607134.67328.97363.56354.161486687.57067.57051.36977.66392.6房間濕負荷0.390.390.390.39000.390.390.390.390.39301房間的計算冷負荷為2138.8W；計算濕負荷為0.48kg/h；302、303、304、307房間的計算冷負荷為1915.8W；計算濕負荷為0.48kg/h；305、306房間的計算冷負荷為4278.1W；計算濕負荷為0.96kg/h；309房間的計算冷負荷為2311.6W；計算濕負荷為0.53kg/h；308房間的計算冷負荷為4623.1W；計算濕負荷為1.06kg/h；310房間的計算冷負荷為2135.2W；計算濕負荷為0.52kg/h；311房間的計算冷負荷為6319.8W；計算濕負荷為1.48kg/h；312房間的計算冷負荷為7447.2W；計算濕負荷為1.59kg/h；313房間的計算冷負荷為6040.8W；計算濕負荷為0.32kg/h；314房間的計算冷負荷為8887W；計算濕負荷為2.24kg/h；315房間的計算冷負荷為7363.5W；計算濕負荷為0.39kg/h。第3章熱負荷的計算3.1圍護結構耗熱量的計算1.根據(jù)房間使用特點，確定其室內計算溫度tn=20℃。2.維護結構傳熱系數(shù)外墻：K＝1.95W/（㎡·℃）外窗：玻璃單框雙層塑鋼窗K＝2.86W/（㎡·℃）屋面：K＝0.9W/（㎡·℃）3.圍護結構基本耗熱量Q=KF（tn-t'w）K---圍護結構的傳熱系數(shù)W/（㎡·℃）F---圍護結構的面積㎡，tn---室內計算溫度℃，t’w---室外計算溫度℃a---溫差修正系數(shù)4.冷風滲透耗熱量Q2由于室內壓力稍高于室外，不存在室外空氣滲透問題，故不需考慮冷風滲透耗熱量。5.辦公及電器設備的散熱量辦公設備的類型和數(shù)量無法確定，按查《實用供熱空調設計手冊第二版》下冊中表20.9-4給出的電器設備功率密度推算空調區(qū)的辦公設備散熱量。7.房間總耗熱量Q（見圍護結構計算表）3.2計算各房間的熱負荷一、第一層各方方間的熱負負荷以101房間為例例，室內計計算溫度為為20℃，冬季室室外計算溫溫度為-0.44℃。1、圍護結構傳熱耗耗熱量Q111）西北外墻F==3.6××4.2--5=100.12㎡=1.95×110.122×20..4=4002.577W2)西北窗F==2.5××2=5㎡=2.86×55×20..4=2991.722W3)西南外墻FF=5.44×4.22=22..68㎡=1.95×222.688×20..4=9002.211W房間圍護結構的的傳熱耗熱熱量Q1=402..57+2291.772+9002.211=15966.5W2、辦公及電器設設備的散熱熱量qs=Fqf=3..6×5..4×200=3888.8W3、房間總耗熱量QQQ==Q1+qqs=15966.5-3888.8==1207.7W第一層所有房間間的熱負荷荷匯總于下下表：房間編號圍護結構室內供暖計算溫溫度室外供暖計算溫溫度室內外計算溫差差傳熱系數(shù)傳熱耗熱量∕WW名稱及朝向面積101西北外墻10.1220-0.4℃20.41.95402.57西北外窗520.42.86291.72西南外墻22.6820.41.95902.21圍護結構傳熱耗耗熱量1596.5空調區(qū)面積F19.44功率密度20辦公及電器設備備的散熱量量388.8房間總耗熱量QQ1207.7102、1033、105、107西北外墻10.1220-0.4℃20.41.95402.57西北外窗520.42.86291.72圍護結構傳熱耗耗熱量694.29空調區(qū)面積F19.44功率密度20辦公及電器設備備的散熱量量388.8房間總耗熱量QQ305.49104、1066西北外墻20.2420-0.4℃20.41.95805.15西北外窗1020.42.86583.44圍護結構傳熱耗耗熱量1388.6空調區(qū)面積F38.88功率密度20辦公及電器設備備的散熱量量777.6房間總耗熱量QQ610.99108西北外墻23.620-0.4℃20.41.95938.81西北外窗1020.42.86583.44圍護結構傳熱耗耗熱量1522.2空調區(qū)面積F43.2功率密度20辦公及電器設備備的散熱量量864房間總耗熱量QQ658.25109西北外墻11.820-0.4℃20.41.95469.4西北外窗520.42.86291.72圍護結構傳熱耗耗熱量761.12空調區(qū)面積F21.6功率密度20辦公及電器設備備的散熱量量432房間總耗熱量QQ329.12110東南外墻10.1220-0.4℃20.41.95402.57東南外窗520.42.86291.72西南外墻25.220.41.951002.5圍護結構傳熱耗耗熱量1696.7空調區(qū)面積F21.6功率密度20辦公及電器設備備的散熱量量432房間總耗熱量QQ1264.7111東南外墻14.0420-0.4℃20.41.95558.51東南外窗16.220.42.86945.17西南外墻5.3220.41.95211.63西南外窗4.7620.42.86277.72東北外墻5.3220.41.95211.63東北外窗4.7620.42.86277.72圍護結構傳熱耗耗熱量2482.4空調區(qū)面積F60.48功率密度20辦公及電器設備備的散熱量量1209.6房間總耗熱量QQ1272.8112東南外墻14.0420-0.4℃20.41.95558.51東南外窗16.220.42.86945.17圍護結構傳熱耗耗熱量1503.7空調區(qū)面積F43.2功率密度20辦公及電器設備備的散熱量量864房間總耗熱量QQ639.68113東南外墻7.0220-0.4℃20.41.95279.26東南外窗8.120.42.86472.59圍護結構傳熱耗耗熱量751.84空調區(qū)面積F21.6功率密度5辦公及電器設備備的散熱量量108房間總耗熱量QQ643.84115東南外墻26.120-0.4℃20.41.951038.3東南外窗24.320.42.861417.8西南外墻5.3220.41.95211.63西南外窗4.7620.42.86277.72東北外墻30.5220.41.951214.1東北外窗4.7620.42.86277.72圍護結構傳熱耗耗熱量4437.2空調區(qū)面積F91.2功率密度5辦公及電器設備備的散熱量量456房間總耗熱量QQ3981.2114東南外墻46.820-0.4℃20.41.951861.7東南外窗38.8820.42.862268.4西南外墻10.0820.41.95400.98東北外墻7.220.41.95286.42東北外窗2.8820.42.86168.03圍護結構傳熱耗耗熱量4985.5走廊面積F136.8功率密度0辦公及電器設備備的散熱量量0其他面積F122.4功率密度5辦公及電器設備備的散熱量量612房間總耗熱量QQ4985.5二、第二層各方方間的熱負負荷匯總于于下表：房間編號圍護結構室內供暖計算溫溫度室外供暖計算溫溫度室內外計算溫差差傳熱系數(shù)傳熱耗熱量∕WW名稱及朝向面積201、2022、203、204、207西北外墻7.9620-0.4℃20.41.95316.65西北外窗520.42.86291.72圍護結構傳熱耗耗熱量608.37空調區(qū)面積F19.44功率密度20辦公及電器設備備的散熱量量388.8房間總耗熱量QQ219.57205、2066西北外墻15.9220-0.4℃20.41.95633.3西北外窗520.42.86291.72圍護結構傳熱耗耗熱量925.02空調區(qū)面積F38.88功率密度20辦公及電器設備備的散熱量量777.6房間總耗熱量QQ147.42209西北外墻9.420-0.4℃20.41.95373.93西北外窗520.42.86291.72圍護結構傳熱耗耗熱量665.65空