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1、北京水徳白控科技发展有限公司气体的密度单位体积（V）物质的重鼠（质帚m）,叫作该物质的密度（D）,即：D=WV气休山丁分子间韭离大，所以质轻.密度小。山丁气休的体积随丿E力和温度的改变而变化. 爪力增加气体体积缩小.密度加大。比如常丿k下空气的密度（D）为1. 3g/L.加床至5个大气 乐则体积缩小5倍,密度増加5倍，为1.3g/LX5=6.5g/L«一、标准密度：在标准条件下（0°C. IATA） 1L气休的亟吊为其标准密度.标准密度从表2-2可以杳出。表2 2孑种气休的标准密度气休名称密度（g/L）空气1.30氢0. 09氮1.26氧1.46二氧化碳1.97一氧化碳15
2、.88氯9. 78二、相对密度为便丁比较乞种气休的轻亟，物理学上将在相同压强和温度条件下，以空气密度为1,与其 它气休密度和比.比值称柑对密度.表23为乞种气休的和对密度.和对密度小丁 1的气休说 明它比空气较.大丁 1的气休说明它比空气重。表23乞种气休的相对密度气体名称相对密度氢0. 0695氮0. 963氧1. 105二氧化碳1. 529一氧化碳0. 9677. 526表FA4常用气体物理性质（标准大气压）气体名称wtJ iff iun/K密度动力粘度运动粘度气休常数比热比p/kg/m3“/N s/nrR/ J/kg KY空气151.251.79E-51.46E-5286.91.40氧化
3、碳20151.69E-51.50E-5二氧化碳201.831.47E-5& 03E-6188.913201.631.94E-515E7207.71.66200.822& 84E-61.05E-4412.41.41氮气20i.161.76E-5i .52E-5296.81.40201.332.O4E-51.53E-5259.81.40甲烷200.6671.10E-5165E551&31.31水蒸汽1070.5861.27E-52.17E-5表FA2空气的物理性质（标准大气压）密度动力粘度运动粘度比热比声速r/ro/kg/n?u /N s/m2Mm'/ syc/m/
4、 s-401.5141.57E-51.O4E-51.401306.2-201.3951.63E-51J7E-5L401319.101.2921.71E-5132 E-51.401331.451.269I.73E-5136 E5L401334.4101.2471.76E-51.41 E-51.401337.4151.2251.8OE-51.47 E-51.401340.4201.2041.82E-51.51 E-51.401343.3251.1841.85E-51.56 E-51.401346.3301.1651.86E-51.60 E51.400349401.127I.87E-51.66 E-
5、5L400354.7501.1091.95E-51.76 E51.400360.3601.0601.97E-51.86 E-51399365.7701.0292.03E-51.97 E-51399371.2800.99962.O7E-52.07 E-51399376.6900.97212.14E-52.20 E51.398381.71000.94612.17E-52.29 E-51.397386.92000.74612.53E-5339 E51.390434.53000.61592.98E-54.84 E-51379476.34000.52433.32E-56.43 E-51.368514.1
6、5000.45653.64E-57.97 E-51357548.810000.27725.04E-51.82 E-41321694.8010-51292072北京永徳白控科技发展有限公司表FA3常用液体物理性质液体名称密度动力粘度运动粘度休积弹性模显7/rp/kg/n?u /N s/m2D/m'/sK /N/m2网氯化碳2015909.58E-46.03E-71.31E+9乙醇（酒带）207891.19E-31.51E-61.06E+9汽汕15.66803.10E-44.60E-71.30E+9煤油208141.90E-32.37E-6SAE30巧汕15.69123.80E-14.20
7、E-41.50E+9润滑汕178901.001.12E-3II汕2012601.51.I9E-34.52E+9水银20136001.57E-31.15E-72.85E+1O海水15.610301.2OE-31.17E-62.34E+9水15.69991.12E-312E62.15E+9表FA1水的物理性质温度密度动力粘度运动粘度声速T/X：p/kg/m3p/N s/nru/m'/st/ni/s0999.91.787E-31.787E-6140351000.01.519E-31.519E-6142710999.7I.3O7E-31.307E-6144720998.21.OO2E-31.0
8、04E-6148130995.77.975E-48.009E-7150740992.26.529E-46.580E-7152650988.15.468E-45.534E-7154160983.24.665E-44.745E-7155270977.84.042E-4434E-7155580971.83.547E-43.65OE-7155590965.33.147E-43.260E-71550100958.42.818E-42.940E-71543注：E3表爪X10*010-51292072北京水徳白控科技发展有限公司空气密度表:绝对压力空气湿度空气密度绝对压力空气湿度空气密度MpaKg/m3Mp
9、a9Kg/ni302516911.42516.3670.2252.33811.52517.5370.3253.50731.625&7060.4254.67641.72519.8750.5255.84551.82521.0440.6257.01461.92522.2130.7258.18372.02523.3820.8259.352822524.5510.92510.5222.22525.7201.02511.691232526.88912512.8602.42528.0581.22514.0292.52529.2281.32515.198饱和蒸汽密度表:绝对压力饱和蒸汽 温度饱和蒸汽
10、密度绝对压力饱和蒸汽 温度饱和蒸汽 密度MpaKg/m'MpaKg/m3099.70.58831.41957.10380.2120.11.12881.5198.37.59280.3133.41.65071.6201.4&0820.4143.52.16281.7204.3&57180.5151.82.66831.8207.19.06160.6158.836921.9209.89.5520.7164.93.66652.0212.410.0430.8170.44.16162.1214.810.5350.9174.34.65442.2217.211.0281.0179.95.14512.3219.511.52111845.63672.4221.812.0161.2187.96.1252.5223.912.5111.3191.66.6143010-51292072