(精心整理)蒸汽密度计算公式

饱和蒸汽密度计算r=Ap+Br------蒸汽密度，kg/m3；p----------流体绝对压力，MPa；A、B--------系数和常数。不同压力段的密度计算式压力范围MPa密度计算公式r/(kg/m3)压力范围MPa密度计算公式r/(kg/m3)0.10~0.32r1=5.2353p+0.08161.00~2.00r4=4.9008p+0.24650.32~0.70r1=5.0221p+0.15172.00~2.60r5=4.9262p+0.19920.70~1.00r1=4.9283p+0.2173  2.过热蒸汽密度计算公式=1+F1(T)p+F2(T)p2+F3(T)p3P-------压力,Pa;r-------蒸汽密度kg/m3R-------气体常数，R=461J/(kg×K)T-------温度,KF1(T)=(b0+b1f+…b5f5)×10-9F2(T)=(c0+c1f+…c8f8)×10-16F3(T)=(d0+d1f+…d8f8)×10-23b0=-5.01140c0=-29.133164d0=+34.551360b1=+19.6657c1=+129.65709d1=+230.69622b2=-20.9137c2=-181.85576d2=-657.21885b3=+2.32488c3=+0.704026d3=+1036.1870b4=+2.67376c4=+247.96718d4=-997.45125b5=-1.62302c5=-264.05235d5=+555.88940c6=+117.60724d6=-182.09871c7=-21.276671d7=+30.554171c8=+0.5248023d8=-1.99178134f=103/T1、过热蒸汽密度IN:REAL;(*补偿前流量,t/h*)TE:REAL;(*介质温度,摄氏度*)PT:REAL;(*介质压力,Mpa*)MD:REAL;(*过热蒸汽密度*)K:REAL;(*系数*)OV:REAL;(*补偿后流量,t/h*)MD:=1/((0.00471*TE+1.286)/(10.194*PT+1)-0.0097+0.0000132*TE);(*过热蒸汽密度计算公式*)OV:=K*SQRT(ABS(IN)*MD);2、给水密度高压给水密度公式（适用范围14.5~16.5MPa,100~300度）：MD=-0.0023*T2-0.1974*T+1006.4其中MD为密度Kg/m3，T为摄氏度低压给水密度公式（适用范围6MPa,50~150度）：MD:=(1064.6448-0.96875*T)其中MD为密度Kg/m3，T为摄氏度IN:REAL;(*补偿前流量,t/h，已开方*)OV:REAL;(*补偿后流量,t/h*)OV:=K*IN*SQRT(ABS(MD));3、饱和水蒸气密度计算式（如果减温减压器后的蒸汽是饱和水蒸气，适用此算法）压力范围/MPa密度计算式，ρ/(kg/m3)压力范围/MPa密度计算式，ρ/(kg/m3)0.10～0.320.32～0.700.70～1.00ρ1=5.2353P+0.0816ρ2=5.0221P+0.1517ρ3=4.9283P0.21731.00～2.002.00～2.60ρ4=4.9008P+0.2465ρ5=4.9262P+0.1992备注：以上压力P均为绝对压力（表压+大气压）饱和蒸汽密度表  2010-10-2808:39:43|  分类：杂项(​http:​/​​/​zhaolele109.blog.163.com​/​blog​/​"\l"m=0&t=1&c=fks_084066085084080074087086084095085080086065080094084065081"\o"杂项​)|  标签：密度(​http:​/​​/​zhaolele109.blog.163.com​/​blog​/​"\l"m=0&t=3&c=密度​)  压力(​http:​/​​/​zhaolele109.blog.163.com​/​blog​/​"\l"m=0&t=3&c=压力​)  蒸汽(​http:​/​​/​zhaolele109.blog.163.com​/​blog​/​"\l"m=0&t=3&c=蒸汽​)  温度(​http:​/​​/​zhaolele109.blog.163.com​/​blog​/​"\l"m=0&t=3&c=温度​)  |字号大中小 订阅最近好多人在邮箱里给我留言，说要蒸汽的密度焓值表在这里我把手里有的几个表都发上来，话不多说见下表  （单位：密度ρ为kg/m3，压力P为MPa，温度t为℃）温度t01234℃压力P密度ρ压力P密度ρ压力P密度ρ压力P密度ρ压力P密度ρ1000.10130.59770.10500.61800.10880.63880.11270.66010.11670.69521100.14330.82650.14810.85280.15320.81980.15830.90750.16360.93591200.19851.1220.20491.1550.21141.1900.21821.2250.22501.2611300.27011.4970.27831.5390.28671.5830.29531.6270.30411.6721400.36141.9670.37182.0190.38232.0730.39312.1290.40422.1851500.47602.5480.48882.6130.50212.6790.51552.7470.52922.8161600.61813.2600.63393.3390.65023.4200.66663.5020.68353.5861700.79204.1230.81144.2180.83104.3160.85114.4150.87164.5151801.00275.1601.02595.2741.04965.3911.07375.5091.09835.6291901.25516.3971.28296.5321.31116.6711.33976.8121.36906.9552001.55487.8641.58768.0251.62108.1881.65488.3541.68928.5222101.90779.5931.94629.7821.98529.9742.024810.172.065010.372202.319811.622.364511.842.409812.072.455912.302.502612.532302.797514.002.849114.252.901014.522.954614.783.008515.052403.347716.763.407017.063.467017.373.527917.683.589717.99温度t56789℃压力P密度ρ压力P密度ρ压力P密度ρ压力P密度ρ压力P密度ρ1000.12080.71050.12500.72770.12940.75150.13390.77580.13850.80081100.16910.96500.17460.99480.18041.0250.18631.0570.19831.0891200.23211.2980.23931.3360.24671.3750.25431.4150.26211.4551300.31301.7190.32221.7660.33171.8150.34141.8640.35131.9151400.41552.2420.42712.3010.43892.3610.45102.4220.46332.4841500.54332.8860.55772.9580.57233.0320.58723.1060.60253.1821600.70083.6710.71833.7580.73623.8470.75443.9370.77304.0291700.89244.6180.91374.7230.93534.8290.95734.9370.97975.0481801.12335.7521.14875.8771.17466.0031.20106.3121.22786.2641901.39877.1001.42897.2481.45967.3981.49097.5511.52257.7062001.72428.6941.75978.8681.79599.0451.83269.2251.86999.4082102.105910.572.147410.772.189610.982.232311.192.275711.412202.550012.762.598113.002.646913.242.696313.492.746613.742303.063115.333.118515.613.174615.893.231616.183.289216.472403.652218.313.715518.643.779718.973.844819.303.910719.PAGE/NUMPAGES