(1.58)--9.4工程热力学课件.ppt

(二)依压力排列0.0010.0030.0040.0050.010.020.050.10.20.51.02.03.05.010.022.0646.949124.114228.953332.879345.798860.065081.338899.634120.240151.867179.916212.417233.893263.980311.037373.990.00100010.00100280.00100410.00100530.00101030.00101720.00102990.00104320.00106050.00109250.00112720.00117670.00121660.00128620.00145220.003106129.18545.66634.79628.19114.6737.64973.24091.69430.885850.374860.194380.0995880.0666620.0394390.0180260.00310629.21101.07121.30137.72191.76251.43340.55417.52504.78640.35762.84908.641008.21154.21407.22085.92513.292544.682553.462560.552583.722608.902645.312675.142706.532748.592777.672798.662803.192793.642724.462085.872484.12443.62432.22422.82392.02357.52304.82257.62201.72108.22014.81890.01794.91639.51317.20.00.10560.35460.42210.47610.64900.83201.09121.30281.53031.86102.13882.44712.64542.92013.35914.40928.97358.57588.47258.38308.14817.90687.59287.35897.12726.82146.58596.33956.18545.97245.61394.4092饱和水和干饱和蒸汽表（节录）解：h1=3426kJ/kg查饱和水和饱和水蒸气表p=5kPa，v′=0.0010053m3/kg、h′=137.22kJ/kg。h″=2560.55kJ/kg，s′=0.4761kJ/(kg·K)、s″=8.3820kJ/(kg·K)s1=6.44kJ/(kg·K)(1)汽轮机所产生的功(2)水泵功若略去水泵功，则(3)循环热效率和理论耗汽率。蒸汽动力装置循环——典型例题言宋体44

言宋体3223目录2目录典型例题压缩因子的物理意义过程方程声速方程第三章——理想气体的性质言宋体44

言宋体3223目录目录2工程热力学的两大类工质工质的热力学状态及其基本状态参数平衡状态、状态方程式、坐标图工质的状态变化过程可逆过程的过程功和热量热力循环例1.我国生产的30万kW汽轮发电机组，其新蒸气压力和温度分别为p1=17MPa、t1=550℃，汽轮机排汽压力p2=5kPa。若按朗肯循环运行，求：(1)汽轮机所产生的功；(2)水泵功；(3)循环热效率和理论耗汽率。.h1=3426kJ/kgs1=6.44kJ/kgK解：h1=3426kJ/kg查h-s图s1=6.44kJ/(kg·K)蒸汽动力装置循环——典型例题言宋体44

言宋体3223目录2目录典型例题压缩因子的物理意义过程方程声速方程第三章——理想气体的性质言宋体44

言宋体3223目录目录2工程热力学的两大类工质工质的热力学状态及其基本状态参数平衡状态、状态方程式、坐标图工质的状态变化过程可逆过程的过程功和热量热力循环