水在一个大气压蒸发潜热.doc

中文词条名：气化潜热（蒸发潜热）英文词条名：对于1KG液体，在一定湿度下，转变为同温度的蒸气时所吸收的热量．称为气化潜热，制冷技术中，习惯上称为蒸发潜热，以符号R表示，单位是KJ／KG。同一种液体的蒸发潜热，随其温度而改变，温度较高时，液体分子的平均动能较大，在气化时克服分子引力所消耗的能量较少，故气化潜热较小。

水在一个大气压（0.1MPa）100℃时的汽化潜热为2257.2kJ/kg饱和水和饱和水蒸气热力性质表(按压力排列)压力/MPa温度/℃汽化潜热kJ/kg0.0016.94912484.10.00217.54032459.10.00324.11422443.60.00428.95332432.20.00532.87932422.80.00636.166324150.00738.99672408.30.00841.50752402.30.00943.79012396.80.0145.798823920.01553.97052372.30.0260.0652357.50.02564.97262345.50.0369.10412335.30.0475.8722318.50.0581.33882304.80.0685.94962293.10.0789.95562282.80.0893.51072273.60.0996.71212265.30.199.6342257.60.12104.812243.90.14109.3182231.80.16113.3262220.90.18116.9412210.90.2120.242201.70.25127.4442181.40.3133.5562163.70.35138.8912147.90.4143.6422133.60.5151.8672108.20.6158.86320860.7164.98320660.8170.4442047.70.9175.3892030.71179.9162014.81.1184.1999.91.2187.995985.71.3191.644972.11.4195.078959.11.5198.327946.61.6201.41934.61.7204.3469231.8207.151911.71.9209.838900.72212.4178902.2217.2891869.42.4221.8291849.82.6226.0851830.82.8230.0961812.63233.8931794.93.5242.5971752.94250.3941713.45263.981639.56275.6251570.57285.8691504.88295.0481441.29303.3851378.910311.0371317.211318.1181255.712324.7151193.813330.894113114336.7071066.715342.1961000.216347.396930.817352.334857.118357.034777.419361.514688.920365.789585.921369.868452.422373.7527122.064373.990