《某工程項(xiàng)目空調(diào)負(fù)荷的計(jì)算案例3600字》

某工程項(xiàng)目空調(diào)負(fù)荷的計(jì)算案例綜述目錄TOC\o"1-2"\h\u169691.1.1外墻和屋面瞬變傳熱引起的冷負(fù)荷 1164891.1.2玻璃窗（玻璃幕墻）瞬變傳熱引起的冷負(fù)荷 276991.1.3透過(guò)窗玻璃進(jìn)入的日射得熱引起的冷負(fù)荷(W) 2201951.1.4內(nèi)圍護(hù)結(jié)構(gòu)傳冷負(fù)荷 2105561.1.5照明散熱引起的冷負(fù)荷 3136351.1.6計(jì)算人體顯熱散熱引起的冷負(fù)荷 3234611.1.7計(jì)算時(shí)刻人體散濕形成的潛熱冷負(fù)荷 3302201.1.8設(shè)備散熱引起的冷負(fù)荷 3305621.1.9典型房間計(jì)算 5220631.1.10空調(diào)冷負(fù)荷匯總 51.1空調(diào)冷負(fù)荷1.1.1外墻和屋面瞬變傳熱引起的冷負(fù)荷CL=F×K(tl－tn)(2－1)式中CL—外墻和屋面瞬變傳熱引起的逐時(shí)冷負(fù)荷(W)；K—外墻和屋面的傳熱系數(shù)，W/(m2·℃)，夏季外墻的傳熱系數(shù)K=0.52w/(m2·℃)，外墻結(jié)構(gòu)屬于Ⅱ型，屋頂?shù)膫鳠嵯禂?shù)K=0.511w/(m2·℃)，屋頂結(jié)構(gòu)屬于Ⅲ型；F—外墻和屋面的面積（m2）；tl—外墻和屋面的冷負(fù)荷計(jì)算溫度的逐時(shí)值（℃）；tn—室內(nèi)計(jì)算溫度（℃）；kα—外表面放熱系數(shù)修正值kρ—吸收系數(shù)修正值其中tl′=（tl+td）×kα×kρ式中tl′—綜合修正后外墻和屋面的冷負(fù)荷計(jì)算溫度的逐時(shí)值（℃），顏色 類(lèi)別外墻屋面淺色0.940.88中色0.970.94外墻和屋面均為中色，則外墻kρ=0.97；屋面kρ=0.94。1.1.2玻璃窗（玻璃幕墻）瞬變傳熱引起的冷負(fù)荷玻璃窗戶和玻璃幕墻瞬變傳熱引起的空調(diào)冷負(fù)荷可按下式計(jì)算：CL=F×K(tl－tn)。本設(shè)計(jì)采用雙層的玻璃窗和玻璃幕墻的時(shí)候，它們的傳熱系數(shù)應(yīng)減小15%。1.1.3透過(guò)窗玻璃進(jìn)入的日射得熱引起的冷負(fù)荷(W)—窗戶的有效面積系數(shù)，根據(jù)本設(shè)計(jì)特點(diǎn)取值0.75；—窗玻璃的遮擋系數(shù)，根據(jù)本設(shè)計(jì)特點(diǎn)取值0.74；—窗內(nèi)遮陽(yáng)設(shè)施的遮陽(yáng)系數(shù)，根據(jù)本設(shè)計(jì)特點(diǎn)取值0.50；所以本建筑玻璃的綜合遮擋系數(shù)為Cz=Cs·Cn=0.37—窗口面積（）；—日射得熱因數(shù)的最大值（W/m2）。朝向SSEENENNWWSW水平Dj.max26041051538098380515410724—窗玻璃冷負(fù)荷系數(shù)，1.1.4內(nèi)圍護(hù)結(jié)構(gòu)傳冷負(fù)荷如果設(shè)計(jì)了空調(diào)的房間與他旁邊沒(méi)有安裝空調(diào)的房間之間的溫度差值3℃時(shí)，需要考慮溫度差傳熱的冷負(fù)荷式中—瞬時(shí)冷負(fù)荷(W)；—傳熱系數(shù)，[W/(m2·℃)]；—圍護(hù)結(jié)構(gòu)傳熱面積(m2)；—室內(nèi)設(shè)計(jì)溫度(℃)；—相鄰非空調(diào)房間的平均計(jì)算溫度(℃)1.1.5照明散熱引起的冷負(fù)荷白熾燈：CL=N（2-7）熒光燈：CL=N（2-8）式中CL—設(shè)備逐時(shí)冷負(fù)荷N—功率—鎮(zhèn)流器消耗功率系數(shù)，—燈罩隔熱系數(shù)，本設(shè)計(jì)中取0.6；—照明散熱冷負(fù)荷系數(shù)1.1.6計(jì)算人體顯熱散熱引起的冷負(fù)荷1、人體顯熱散熱引起的冷負(fù)荷計(jì)算式為：（2-9）式中s—人體顯熱逐個(gè)時(shí)刻冷負(fù)荷（W）；n—人數(shù)；—群集系數(shù)；—不同室溫和勞動(dòng)性質(zhì)成年男子顯熱散熱量（W），—人體顯熱冷負(fù)荷系數(shù)1.1.7計(jì)算時(shí)刻人體散濕形成的潛熱冷負(fù)荷（2-10）式中—計(jì)算時(shí)刻空調(diào)區(qū)的總?cè)藬?shù)；—1名成年男子小時(shí)潛熱散熱量（W），見(jiàn)《空調(diào)冷負(fù)荷計(jì)算方法專(zhuān)刊》表1.1.8設(shè)備散熱引起的冷負(fù)荷設(shè)備散熱負(fù)荷由下式計(jì)算：Qτ=qs·Xτ-Tqs=F·qf式中Qτ—計(jì)算時(shí)刻冷負(fù)荷qs—熱源的散熱量τ—計(jì)算時(shí)刻，hT—熱源投入使用的時(shí)刻，hτ-T從熱源投入使用的時(shí)刻算起到計(jì)算時(shí)刻的持續(xù)時(shí)間，hF—空調(diào)區(qū)面積，取1㎡qf—電氣設(shè)備的功率密度,W/㎡Xτ-t—τ-t時(shí)間設(shè)備、器具散熱的冷負(fù)荷系數(shù)。

本設(shè)計(jì)中依據(jù)《實(shí)用供熱空調(diào)設(shè)計(jì)手冊(cè)第二版》對(duì)不同類(lèi)型房間的人員密度、群集系數(shù)、照明功率密度、電氣設(shè)備功率密度、勞動(dòng)狀態(tài)進(jìn)行劃分，結(jié)果如下：房間名稱(chēng)人員密度群集系數(shù)照明功率密度電氣設(shè)備功率密度勞動(dòng)狀態(tài)（㎡/人）（W/㎡）（W/㎡）售票大廳、接待室40.931110極輕活動(dòng)客服中心40.931120極輕活動(dòng)辦公室40.931120極輕活動(dòng)更衣室40.931120極輕活動(dòng)電梯廳、門(mén)廳200.9350極輕活動(dòng)商業(yè)40.931213輕度活動(dòng)餐飲40.931313輕度活動(dòng)會(huì)議室2.50.93115極輕活動(dòng)1.1.9典型房間計(jì)算1.1.10空調(diào)冷負(fù)荷匯總其他房間最大時(shí)刻的各項(xiàng)負(fù)荷值見(jiàn)表

樓層房間面積m2房間最大冷負(fù)荷(含新風(fēng)/全熱)W工程負(fù)荷最大值時(shí)刻(15點(diǎn))的各項(xiàng)負(fù)荷值總冷負(fù)荷(含新風(fēng)/全熱)W室內(nèi)冷負(fù)荷(不含新風(fēng)/全熱)W新風(fēng)冷負(fù)荷W總濕負(fù)荷kg/h新風(fēng)濕負(fù)荷kg/h總冷指標(biāo)(含新風(fēng))W/m2新風(fēng)冷指標(biāo)W/m2總濕指標(biāo)kg/hm2新風(fēng)量m3/h1層1001[售票大廳]179.9721429.0521429.0511120.3510308.7015.3110.75119.0757.280.091349.781002[客服中心]99.2210568.5110546.114862.785683.338.445.93106.2957.280.09744.151003[更衣室]17.241814.451814.45826.94987.511.471.03105.2557.280.09129.301004[辦公室]37.634203.754194.352038.902155.453.201.25111.4657.280.09281.231005[辦公室]137.3115402.6314691.326826.197865.1311.688.20106.9957.280.091029.831006[辦公室]68.397544.447525.233607.843917.395.824.09110.0357.280.09512.921007[門(mén)廳]93.132476.662320.812320.810.000.470.0024.920.000.010.001008[辦公室]104.0211211.3611186.305228.025958.288.856.21107.5457.280.09780.151009[辦公室]166.1319304.3718086.218570.279515.9414.149.93108.8757.280.091245.971010[辦公室]71.867289.137289.133172.984116.156.114.29101.4457.280.09538.951011[辦公室]174.2117409.0717409.077430.309978.7714.8210.4199.9357.280.091306.581012[門(mén)廳]143.673508.643218.853218.850.000.730.0022.400.000.010.001013[辦公室]129.5712867.5712867.575445.797421.7811.027.7499.3157.280.09971.771014[商業(yè)]130.311517.9111517.917786.113731.809.473.8988.4028.640.07488.631015[商業(yè)]102.418551.098551.095618.062933.037.443.0683.5028.640.07384.041016[商業(yè)]318.6426150.7726150.7717024.909125.8723.159.5282.0728.640.071194.901017[商業(yè)]181.1315436.0415436.0410219.825216.2113.235.4484.7528.640.07682.991018[門(mén)廳]378.335717.415717.415717.410.001.920.0015.110.000.010.001019[辦公室]119.2811816.8411816.844984.476832.3710.157.1399.0757.280.09894.601020[商業(yè)]654.7653719.9453719.9434967.5818752.3647.5719.5682.0528.640.072455.351021[商業(yè)]192.915977.915977.9010453.245524.6714.015.7682.8328.640.07723.381022[商業(yè)]118.249611.199611.196225.793386.408.593.5381.2928.640.07443.401023[辦公室]166.916534.4716534.476974.429560.0514.209.9799.0757.280.091251.751024[電梯廳]114.361386.721386.721386.720.000.580.0011.130.000.010.001025[辦公室]190.5419091.8419091.848177.6910914.1516.2111.38100.2057.280.091429.051026[門(mén)廳]66.58956.26956.26956.260.000.340.0014.360.000.010.001027[會(huì)議室]851.2389059.1789059.1750006.5239052.6675.2940.73104.5045.820.095113.381028[售票大廳]346.935417.8634959.4115088.9419870.4729.5220.73100.7857.280.092601.751029[接待室]146.3514276.1614276.165893.228382.9412.458.7497.5557.280.091097.631030[接待室]4757.46478152.02478152.02205644.23272507.79404.80284.24100.5157.280.0935680.951031[客服中心]353.9439892.9936798.2016524.4820273.7230.1221.15103.9757.280.092654.551層小計(jì)10614.6982292.77982292.77478319.88503972.89821.12525.6792.5447.480.0865987.962層2001[商業(yè)]114.3710167.210167.206891.643275.568.313.4288.9028.640.07428.892002[商業(yè)]114.4710208.910208.906930.483278.438.323.4289.1828.640.07429.262003[商業(yè)]101.368547.958547.955644.992902.967.363.0384.3328.640.07380.102004[商業(yè)]46.674184.184176.842840.211336.633.391.3989.5028.640.07175.012005[商業(yè)]220.7518418.618412.5812090.296321.2916.046.5983.4128.640.07827.812006[商業(yè)]47.534098.594098.592737.331361.263.451.4286.2328.640.07178.242007[商業(yè)]132.3211517.5311517.537727.883789.659.613.9587.0428.640.07496.202008[商業(yè)]194.616823.9116543.4510970.095573.3514.145.8185.0128.640.07729.752009[商業(yè)]177.8615481.0415182.5910088.675093.9212.925.3185.3628.640.07666.982010[商業(yè)]37.933187.883187.882101.561086.322.761.1384.0528.640.07141.242011[商業(yè)]132.8111120.6911120.697317.013803.699.653.9783.7328.640.07498.042012[商業(yè)]48.754069.844069.842673.641396.203.541.4683.4828.640.07182.812013[商業(yè)]41.083446.323446.322269.791176.532.981.2383.8928.640.07154.052014[商業(yè)]93.047970.367970.365305.692664.676.762.7885.6728.640.07348.902015[商業(yè)]80.56950.936950.934645.412305.525.852.4086.3528.640.07301.882016[商業(yè)]231.2219888.6219888.6213266.476621.1516.806.9186.0228.640.07867.082017[商業(yè)]181.5214973.414973.409774.665198.7413.195.4282.4928.640.07680.702018[商業(yè)]92.667940.347940.345286.562653.796.732.7785.6928.640.07347.472019[商業(yè)]187.8815593.2215593.2210212.325380.8913.655.6183.0028.640.07704.552020[商業(yè)]132.6711153.7511153.757354.083799.689.643.9684.0728.640.07497.512021[商業(yè)]138.2811241.3211241.327280.973960.3510.054.1381.2928.640.07518.552022[商業(yè)]201.2316358.7716358.7710595.535763.2414.626.0181.2928.640.07754.612023[商業(yè)]45.853727.323727.322414.181313.153.331.3781.2928.640.07171.942024[商業(yè)]76.246606.036606.034422.512183.525.541.2886.6528.640.07285.902025[商業(yè)]136.5411430.8211430.827520.313910.519.924.0883.7228.640.07512.022026[商業(yè)]64.195218.255218.253379.851838.404.661.9281.2928.640.07240.712027[商業(yè)]85.456946.566946.564499.272447.296.212.5581.2928.640.07320.442028[商業(yè)]72.395884.865884.863811.612073.255.261.1681.2928.640.07271.462029[商業(yè)]119.569999.369999.366575.153424.208.693.5783.6328.640.07448.352030[商業(yè)]64.995554.095554.093692.771861.324.721.9485.4628.640.07243.712031[商業(yè)]57.454943.924941.133295.761645.374.171.7286.0128.640.07215.442032[商業(yè)]47.053824.883824.882477.361347.513.421.4181.2928.640.07176.442033[商業(yè)]643.1252281.7252281.7233862.7318418.9946.7219.2181.2928.640.072411.702034[商業(yè)]86.37015.667015.664544.032471.646.272.5881.2928.640.07323.632035[商業(yè)]50.174346.974340.922904.051436.873.641.5086.5228.640.07188.142036[商業(yè)]81.296689.676689.674332.882356.795.982.4681.2928.640.07308.592037[商業(yè)]38.413410.393398.682298.621100.062.791.1588.4828.640.07144.042038[商業(yè)]71.135782.435782.433745.272037.175.171.1281.2928.640.07266.742039[商業(yè)]49.74358.184226.352802.941423.413.611.4885.0428.640.07186.382040[商業(yè)]94.487940.197940.195234.272705.916.862.8284.0428.640.07354.302041[商業(yè)]78.816406.776406.774149.652257.125.732.3581.2928.640.07295.542042[商業(yè)]31.12609.532609.531690.19919.352.330.9681.2928.640.07120.382043[商業(yè)]116.079435.789435.786111.533324.258.433.4781.2928.640.07435.262044[商業(yè)]83.457019.237019.234629.222390.016.062.4984.1128.640.07312.942045[商業(yè)]74.866335.256320.924176.922143.995.441.2484.4428.640.07280.732046[商業(yè)]281.6223367.2123367.2115301.608065.6120.468.4182.9728.640.071056.082047[商業(yè)]70.425724.725724.723707.882016.835.121.1081.2928.640.07264.072048[商業(yè)]63.125418.545348.883541.121807.764.591.8984.7428.640.07236.702049[商業(yè)]55.644846.784740.803147.261593.534.041.6685.2028.640.07208.652050[商業(yè)]107.79027.979027.975943.443084.537.823.2283.8328.640.07403.882051[商業(yè)]159.5113285.7613285.768717.384568.3711.594.7783.2928.640.07598.162052[商業(yè)]314.6826160.0526160.0517147.609012.4522.869.4083.1328.640.071180.052層小計(jì)6072.79508007.62508007.62334082.61173925.01441.21181.4183.6528.640.0722772.963層3001[餐飲]133.9814871.7114871.7111034.513837.199.734.00111.0028.640.07502.423002[餐飲]53.764715.014715.013175.331539.693.911.6187.7028.640.07201.603003[餐飲]121.8411286.9211038.857549.353489.508.853.6490.6028.640.07456.903004[餐飲]79.717592.927321.975039.072282.905.792.3891.8628.640.07298.913005[餐飲]49.534538.94538.903120.361418.543.601.4891.6428.640.07185.743006[餐飲]42.713784.113784.112560.891223.223.101.2888.6028.640.07160.163007[餐飲]48.994339.334339.332936.251403.083.561.4688.5828.640.07183.713008[餐飲]29.752781.162781.161929.12852.041.160.8993.4828.640.07111.563009[餐飲]47.125530.344857.313507.791349.523.421.41103.0828.640.07176.703010[餐飲]37.983348.643348.642260.891087.752.761.1388.1728.640.07142.423011[餐飲]104.029945.049892.806913.662979.147.563.1195.1028.640.07390.073012[餐飲]46.195490.014813.603490.721322.883.361.38104.2128.640.07173.213013[餐飲]30.422635.382635.381764.15871.231.210.9186.6328.640.07114.083014[餐飲]37.214721.14039.702974.011065.702.701.11108.5728.640.07139.543015[餐飲]19.531794.891794.891235.55559.341.420.5891.9028.640.0773.243016[餐飲]71.148185.447298.315231.212066.095.241.16101.1728.640.07270.523017[餐飲]80.217041.937041.934744.712297.225.832.4087.7928.640.07300.793018[餐飲]52.536011.525340.793836.331504.463.821.57101.6728.640.07196.993019[餐飲]42.363764.353764.352551.161213.193.081.2788.8728.640.07158.853020[餐飲]187.1916632.7616632.7611271.635361.1313.605.5988.8528.640.07701.963021[餐飲]160.2214236.1514236.159647.444588.7111.644.7988.8528.640.07600.833022[餐飲]211.5620283.0520283.0514223.966059.0915.376.3295.8728.640.07793.353023[餐飲]67.535947.465947.464013.401934.064.912.0288.0728.640.07253.243024[餐飲]86.447688.797688.795213.142475.656.282.5888.9528.640.07324.153025[餐飲]105.279230.59230.506215.563014.947.653.1487.6828.640.07394.763026[商業(yè)]261.8323865.6923865.6916366.867498.8219.027.8291.1528.640.07981.863027[商業(yè)]84.077245.887245.884838.112407.776.112.5186.1928.640.07315.263028[餐飲]75.026499.216499.214350.632148.585.451.2486.6328.640.07281.323029[餐飲]45.853971.123971.122658.981313.153.331.3786.6328.640.07171.943030[餐飲]89.938039.388039.385463.782575.606.532.6989.4028.640.07337.243031[餐飲]192.917123.5617123.5611598.905524.6714.015.7688.7728.640.07723.383032[餐飲]64.195560.975560.973722.571838.404.661.9286.6328.640.07240.713033[餐飲]85.457402.797402.794955.502447.296.212.5586.6328.640.07320.443034[餐飲]72.396271.376271.374198.112073.255.261.1686.6328.640.07271.463035[餐飲]71.346379.996379.994336.812043.185.181.1389.4328.640.07267.533036[餐飲]59.85250.825250.823538.151712.674.341.7987.8128.640.07224.253037[餐飲]47.054076.084076.082728.571347.513.421.4186.6328.640.07176.443038[餐飲]643.1255715.4455715.4437296.4518418.9946.7219.2186.6328.640.072411.703039[餐飲]86.37476.437476.435004.792471.646.272.5886.6328.640.07323.633040[餐飲]90.53833