课程设计-天津市天津大学学生宿舍楼空调工程.docx

空调工程课程设计题目： 天津市天津大学学生宿舍楼工程 学院： 建筑工程学院 专业： 建筑环境与能源应用工程 班级： 学号： 学生姓名： 指导教师： 项毅 目 录1.建筑概况 11.1建筑构成 .11.2建筑构造 .12.设计内容12.1空调.12.2工程设计条件.22.3室内设计参数.23.空调负荷计算33.1负荷理论依据.33.1.1房间冷负荷构成.33.1.2 房间湿负荷构成 33.2冷负荷计算 .33.2.1 围护结构瞬变传热形成的冷负荷.33.2.2 透过玻璃穿的日射得热形成的冷负荷.43.2.3 人员散热冷负荷 .53.2.4照明设备引起的冷负荷 .53.2.5新风负荷 .63.2.6湿负荷计算 .63.3空调冷负荷计算举例 .63.4房间逐时负荷计算 .73.5负荷汇总 .104. 空调系统方案的确定134.1空气处理方案.134.2水系统.134.3风系统.134.4气流组织方案.135.机组选择135.1 风量和冷量的确定 .135.1.1一层商场夏季工况分析（空气处理过程） .135.1.2 二层办公室（会议室）夏季工况分析 .145.1.3 三层办公室（会议室）夏季工况分析 .185.2空气处理机组的选型.205.3 风机盘管的的选型 206. 室内气流组织计算226.1一层散流器选型和气流组织计算 .226.2二层三层百叶风口选型和气流组织计算.236.2.1办公室201-205 236.2.2办公室206-216以及三层办公室（306，307，315除外） 246.2.3办公室306，307，315 256.2.4办公室311，会议室201，301 267.风道水力计算287.1一层风管水力计算 287.2二层风管水力计算 297.3三层风管水力计算 308.个人小结309.参考文献31天津市天津大学学生宿舍楼六层空调系统设计说明书1.建筑概况1.1 建筑构成本工程地处天津市，为一幢六层的低层建筑。建筑总高度18m，建筑面积约626.4m2。1.2 建筑构造 外墙构造为：抗裂砂浆复合耐碱网格布（5.0mm）+无机轻集料保温砂浆B型（20.0mm）+烧结保温砖（200.0mm）+无机轻集料保温砂浆C型（30.0mm）+抗裂砂浆复合耐碱网格布（5.0mm） 屋面构造由上至下分别为：（1） 预制细石混凝土板25mm，表面喷白色水泥浆（2） 通风层200mm（3） 卷材防水层（4） 水泥砂浆找平层20mm（5） 保温层：厚度为100mm的水泥膨胀珍珠岩（6） 隔汽层（7） 现浇钢筋混凝土100mm（8） 内粉刷 外窗高为2000mm，为双层透明中空玻璃，玻璃层为6 mm 中透光Low-E+12 mm 空气+6 mm透明；隔热金属型材窗框，80%玻璃；内遮阳采用活动百叶帘。 不考虑内墙传热2.设计内容2.1空调1、 进行冷负荷的计算；2、 进行夏季的工况分析；3、 空调方式的选择；4、 空调末端的选择；5、 风道水力计算和室内气流组织的计算；6、 绘制施工图；2.2工程设计条件 设计地点位置地名地理位置大气压力(hPa)北纬东经海拔(m)夏季天津3905117042.5m1005.2 设计地点夏季室外空调设计参数室外干球温度()室外湿球温度()室外日平均温度()室外平均风速(m)33.926.829.42.22.3室内设计参数 室内设计参数表房间类型夏季工作区风速（m/s）新风标准（m3/h.人）室温（）相对湿度（）宿舍26550.330卫生间26550.2530盥洗室26550.2530值班室26550.330 3.空调负荷计算3.1负荷理论依据3.1.1 房间冷负荷构成空调房间的得热量由下列各项得热量组成：1. 通过围护结构传入室内的热量；2. 透过外窗和玻璃幕墙进入室内的太阳辐射热量；3. 人体散热量；4. 照明散热量；5. 设备散热量；6. 其它室内散热量。3.1.2 房间湿负荷构成房间散湿量有下列各项散湿量组成：1. 人体散湿量；2. 新风带入的湿量；3. 其它室内散湿量。3.2 冷负荷计算3.2.1 围护结构瞬变传热形成的冷负荷1. 外墙和屋顶瞬变传热引起的冷负荷冷负荷计算公式：式中 -外墙或屋顶瞬变传热形成的逐时冷负荷，W ； -外墙或屋顶的传热系数,W/（m2）； -外墙或屋顶的传热面积,m2； -外墙或屋顶冷负荷计算温度的逐时值，; -夏季空气调节室内计算温度，。2. 内围护结构冷负荷冷负荷计算公式：式中 -内围护结构冷负荷，W ； -内围护结构的传热系数,W/（m2）； -内围护结构的传热面积,m2； -邻室计算平均温度，； -夏季空气调节室内计算温度，。3. 外玻璃穿瞬变传热引起的冷负荷冷负荷计算公式：式中 -外玻璃窗的逐时冷负荷，W ； -玻璃窗的传热系数修正值； -外玻璃窗的传热系数，W/（m2）； -窗口面积，m2； -外墙或屋顶冷负荷计算温度的逐时值，; -玻璃窗的地点修正值； -夏季空气调节室内计算温度，。 3.2.2 透过玻璃窗的日射得热形成的冷负荷冷负荷计算公式：式中 -透过玻璃窗的日射得热冷负荷，W ； -有效面积系数； -窗玻璃的遮阳系数； -窗内遮阳设施的遮阳系数； -窗口面积，m2； -逐时日射得热因数最大值； -窗玻璃冷负荷系数。3.2.3 人员散热冷负荷1. 显热散热冷负荷计算公式： 式中 -人体显热散热形成的冷负荷，W； -室内全部人数； -群集系数； -不同室温和劳动性质成年男子显热散热量，W； -人体显热散热冷负荷系数。2. 散湿形成的潜热冷负荷计算公式：式中 -人体散湿形成的潜热冷负荷，W； -计算时刻空调区内的总人数； -群集系数； -1名成年男子小时潜热散热量，W。3.2.4 照明设备引起的冷负荷冷负荷计算公式： 白炽灯 荧光灯 式中 -照明设备散热形成的冷负荷，W ； -照明设备所需功率，kW； -镇流器消耗功率系数； -灯罩隔热系数； -照明设备散热冷负荷系数。3.2.5 新风负荷 冷负荷计算公式： 式中 -新风冷负荷，W； -新风质量流量，； -夏季室外空气状态的比焓，； -夏季室内空气状态的比焓，。3.2.6湿负荷计算计算时刻的人体散湿量，可按下式： 式中 -计算时刻的人体散湿量，； -群集系数； -计算时刻空调区内的总人数； -1名成年男子每小时散湿量，。3.3 空调冷负荷计算举例以六层宿舍为例，空调面积为19.8m2，室外计算温度为33.9，湿球温度为26.8，室内设计温度为26，相对湿度为55%。1.外墙和屋面瞬变传热引起的冷负荷：外墙：0.889.9（33.9-26）=68.84W屋面： =0.6319.9（33.9-26）=99.0423W2. 内围护结构冷负荷：与相邻房间无温差传热，所以没有冷负荷。3.外玻璃窗传热形成的冷负荷： =3.013（35.2+1-26）=92.106W4. 透过玻璃窗的日射得热冷负荷： =0.750.860.6310.83=75.16314W5.人员散热引起的冷负荷： 人体显热散热：=40.9360.50.87=195.8022W 人体潜热散热：=0.93445=167.4W6.照明设备散热引起的冷负荷： =10001.01.02000.39=78W 7.新风负荷： =0.0483（84.07-55.59）=1.376kW=1376W 8.湿负荷计算： =0.0010.934109=0.40553.4房间逐时负荷计算 外墙（北）时刻KFtwtnCL1:000.889.933.62666.21122:000.889.932.82659.24163:000.889.9322652.2724:000.889.931.32646.17365:000.889.930.82641.81766:000.889.930.32637.46167:000.889.929.92633.97688:000.889.929.62631.36329:000.889.929.42629.620810:000.889.929.52630.49211:000.889.929.62631.363212:000.889.929.82633.105613:000.889.930.22636.590414:000.889.930.72640.946415:000.889.931.22645.302416:000.889.931.82650.529617:000.889.932.42655.756818:000.889.9332660.98419:000.889.933.52665.3420:000.889.933.92668.824821:000.889.934.32672.309622:000.889.934.52674.05223:000.889.934.52674.0520:000.889.934.22671.4384外墙（南）时刻KFtwtnCL1:000.889.935.82685.37762:000.889.934.82676.66563:000.889.933.82667.95364:000.889.9332660.9845:000.889.932.32654.88566:000.889.931.72649.65847:000.889.931.12644.43128:000.889.930.72640.94649:000.889.930.32637.461610:000.889.930.12635.719211:000.889.930.12635.719212:000.889.930.32637.461613:000.889.9322652.27214:000.889.932.62657.499215:000.889.933.42664.468816:000.889.934.22671.438417:000.889.934.92677.536818:000.889.935.52682.76419:000.889.935.82685.377620:000.889.936.12687.991221:000.889.936.12687.991222:000.889.9362687.1223:000.889.935.82685.37760:000.889.935.42681.8928外窗（北）时刻tw+tdtnCwKwFsCL1:0027.4263.01312.6422:0027263.0139.033:0026.6263.0135.4184:0026.3263.0132.7095:0026.2263.0131.8066:0026.5263.0134.5157:0027.2263.01310.8368:0028.1263.01318.9639:0029263.01327.0910:0029.9263.01335.21711:0030.8263.01343.34412:0031.6263.01350.56813:0032.2263.01355.98614:0032.6263.01359.59815:0032.7263.01360.50116:0032.5263.01358.69517:0032.2263.01355.98618:0031.6263.01350.56819:0030.8263.01343.34420:0030263.01336.1221:0029.4263.01330.70222:0028.8263.01325.28423:0028.3263.01320.7690:0027.9263.01317.157外窗（南）时刻tw+tdtnCwKwFsCL1:0027.4263.01312.6422:0027263.0139.033:0026.6263.0135.4184:0026.3263.0132.7095:0026.2263.0131.8066:0026.5263.0134.5157:0027.2263.01310.8368:0028.1263.01318.9639:0029263.01327.0910:0029.9263.01335.21711:0030.8263.01343.34412:0031.6263.01350.56813:0032.2263.01355.98614:0032.6263.01359.59815:0032.7263.01360.50116:0032.5263.01358.69517:0032.2263.01355.98618:0031.6263.01350.56819:0030.8263.01343.34420:0030263.01336.1221:0029.4263.01330.70222:0028.8263.01325.28423:0028.3263.01320.7690:0027.9263.01317.157北窗日射时刻ClqDjmaxCcsFsCL1:000.111430.444320.952362:000.081430.444315.238083:000.071430.444313.333324:000.051430.44439.52385:000.051430.44439.52386:000.231430.444343.809487:000.381430.444372.380888:000.371430.444370.476129:000.51430.444395.23810:000.61430.4443114.285611:000.691430.4443131.428412:000.751430.4443142.85713:000.791430.4443150.47614:000.81430.4443152.380815:000.81430.4443152.380816:000.741430.4443140.952217:000.71430.4443133.333218:000.671430.4443127.618919:000.51430.444395.23820:000.291430.444355.2380421:000.251430.444347.61922:000.191430.444336.1904423:000.171430.444332.380920:000.131430.444324.76188南窗日射时刻ClqDjmaxCcsFsCL1:000.051430.44439.52382:000.031430.44435.714283:000.031430.44435.714284:000.021430.44433.809525:000.021430.44433.809526:000.061430.444311.428567:000.111430.444320.952368:000.161430.444330.476169:000.241430.444345.7142410:000.341430.444364.7618411:000.461430.444387.6189612:000.441430.444383.8094413:000.631430.4443119.999914:000.651430.4443123.809415:000.621430.4443118.095116:000.541430.4443102.85717:000.281430.444353.3332818:000.241430.444345.7142419:000.171430.444332.3809220:000.131430.444324.7618821:000.111430.444320.9523622:000.081430.444315.2380823:000.071430.444313.333320:000.051430.44439.5238照明时刻Clqn1n2NCL1:000.3911200782:000.71112001423:000.77112001544:000.8112001605:000.83112001666:000.85112001707:000.87112001748:000.89112001789:000.531120010610:000.22112004411:000000000000.11112002215:000.1112002016:000.08112001617:000.07112001418:000.06112001219:000.06112001220:000.05112001021:000.39112007822:000.711120014223:000.77112001540:000.811200160人体时刻ClqqsnCLSq1CL1合计1:000.4660.540.93103.527645167.4270.92762:000.7860.540.93175.546845167.4342.94683:000.8360.540.93186.799845167.4354.19984:000.8660.540.93193.551645167.4360.95165:000.8860.540.93198.052845167.4365.45286:000.8960.540.93200.303445167.4367.70347:000.9160.540.93204.804645167.4372.20468:000.9260.540.93207.055245167.4374.45529:000.4960.540.93110.279445167.4277.679410:000.1760.540.9338.260245167.4205.660211:000.1360.540.9329.257845167.4196.657812:000.1160.540.9324.756645167.4192.156613:000.0960.540.9320.255445167.4187.655414:000.0860.540.9318.004845167.4185.404815:000.0760.540.9315.754245167.4183.154216:000.0660.540.9313.503645167.4180.903617:000.0560.540.9311.25345167.4178.65318:000.0560.540.9311.25345167.4178.65319:000.0460.540.939.002445167.4176.402420:000.0460.540.939.002445167.4176.402421:000.0360.540.936.751845167.4174.151822:000.0360.540.936.751845167.4174.151823:000.0260.540.934.501245167.4171.90120:000.0260.540.934.501245167.4171.9012新风冷负荷qmW0.048333hWx84.07hNx55.59CLW1376.5331-5层汇总北面宿舍时刻外墙外窗日射照明人体新风冷负荷总计1:0066.21 12.64220.9523678270.92761376.533331825.27 2:0059.24 9.0315.23808142342.94681376.533331944.99 3:0052.27 5.41813.33332154354.19981376.533331955.76 4:0046.17 2.7099.5238160360.95161376.533331955.89 5:0041.82 1.8069.5238166365.45281376.533331961.13 6:0037.46 4.51543.80948170367.70341376.533332000.02 7:0033.98 10.83672.38088174372.20461376.533332039.93 8:0031.36 18.96370.47612178374.45521376.533332049.79 9:0029.62 27.0995.238106277.67941376.533331912.16 10:0030.49 35.217114.285644205.66021376.533331806.19 11:0031.36 43.344131.428436196.65781376.533331815.33 12:0033.11 50.568142.85730192.15661376.533331825.22 13:0036.59 55.986150.47626187.65541376.533331833.24 14:0040.95 59.598152.380822185.40481376.533331836.86 15:0045.30 60.501152.380820183.15421376.533331837.87 16:0050.53 58.695140.952216180.90361376.533331823.61 17:0055.76 55.986133.333214178.6531376.533331814.26 18:0060.98 50.568127.618912178.6531376.533331806.36 19:0065.34 43.34495.23812176.40241376.533331768.86 20:0068.82 36.1255.2380410176.40241376.533331723.12 21:0072.31 30.70247.61978174.15181376.533331779.32 22:0074.05 25.28436.19044142174.15181376.533331828.21 23:0074.05 20.76932.38092154171.90121376.533331829.64 0:0071.44 17.15724.76188160171.90121376.533331821.79 1-5层汇总南面宿舍 时刻外墙外窗日射照明人体新风冷负荷总计1:0066.21 12.6429.523878270.92761376.53331813.84 2:0059.24 9.035.71428142342.94681376.53331935.47 3:0052.27 5.4185.71428154354.19981376.53331948.14 4:0046.17 2.7093.80952160360.95161376.53331950.18 5:0041.82 1.8063.80952166365.45281376.53331955.42 6:0037.46 4.51511.42856170367.70341376.53331967.64 7:0033.98 10.83620.95236174372.20461376.53331988.50 8:0031.36 18.96330.47616178374.45521376.53332009.79 9:0029.62 27.0945.71424106277.67941376.53331862.64 10:0030.49 35.21764.7618444205.66021376.53331756.66 11:0031.36 43.34487.6189636196.65781376.53331771.52 12:0033.11 50.56883.8094430192.15661376.53331766.17 13:0036.59 55.986119.999926187.65541376.53331802.77 14:0040.95 59.598123.809422185.40481376.53331808.29 15:0045.30 60.501118.095120183.15421376.53331803.59 16:0050.53 58.695102.85716180.90361376.53331785.52 17:0055.76 55.98653.3332814178.6531376.53331734.26 18:0060.98 50.56845.7142412178.6531376.53331724.45 19:0065.34 43.34432.3809212176.40241376.53331706.00 20:0068.82 36.1224.7618810176.40241376.53331692.64 21:0072.31 30.70220.9523678174.15181376.53331752.65 22:0074.05 25.28415.23808142174.15181376.53331807.26 23:0074.05 20.76913.33332154171.90121376.53331810.59 0:0071.44 17.1579.5238160171.90121376.53331806.55 1层汇总南值班室时刻外墙外窗日射照明人体新风冷负荷总计1:0085.377612.6429.52387867.7319901.8666671155.14 2:0076.66569.035.7142814285.7367901.8666671221.01 3:0067.95365.4185.7142815488.54995901.8666671223.50 4:0060.9842.7093.8095216090.2379901.8666671219.61 5:0054.88561.8063.8095216691.3632901.8666671219.73 6:0049.65844.51511.4285617091.92585901.8666671229.39 7:0044.431210.83620.9523617493.05115901.8666671245.14 8:0040.946418.96330.4761617893.6138901.8666671263.87 9:0037.461627.0945.7142410669.41985901.8666671187.55 10:0035.719235.21764.761844451.41505901.8666671132.98 11:0035.719243.34487.618963649.16445901.8666671153.71 12:0037.461650.56883.809443048.03915901.8666671151.74 13:0052.27255.986119.99992646.91385901.8666671203.04 14:0057.499259.598123.80942246.3512901.8666671211.12 15:0064.468860.501118.09512045.78855901.8666671210.72 16:0071.438458.695102.8571645.2259901.8666671196.08 17:0077.536855.98653.333281444.66325901.8666671147.39 18:0082.76450.56845.714241244.66325901.8666671137.58 19:0085.377643.34432.380921244.1006901.8666671119.07 20:0087.991236.1224.761881044.1006901.8666671104.84 21:0087.991230.70220.952367843.53795901.8666671163.05 22:0087.1225.28415.2380814243.53795901.8666671215.05 23:0085.377620.76913.3333215442.9753901.8666671218.32 0:0081.892817.157