作业帮热力学相关的问题原文是Steam enters an adiabatic turbine steadily at 400°C and 3MPa,and leaves at 50kPa.The highest possible percentage of mass of steam that condenses at the turbine exit and leaves the turbine as a liquid is?百度给出
来源：学生作业帮助网 编辑：作业帮 时间：2024/11/08 06:04:56
热力学相关的问题原文是Steam enters an adiabatic turbine steadily at 400°C and 3MPa,and leaves at 50kPa.The highest possible percentage of mass of steam that condenses at the turbine exit and leaves the turbine as a liquid is?百度给出
热力学相关的问题
原文是
Steam enters an adiabatic turbine steadily at 400°C and 3MPa,and leaves at 50kPa.The highest possible percentage of mass of steam that condenses at the turbine exit and leaves the turbine as a liquid is?
百度给出的翻译是：
绝热涡轮蒸汽进入稳定在400°C,3MPa,出口在50kPa.大量的蒸汽,凝结在涡轮机的出口和叶轮机作为液体是最高的百分比?
明天的考试题,全身上下只有20点财富,不好意思ToT
热力学相关的问题原文是Steam enters an adiabatic turbine steadily at 400°C and 3MPa,and leaves at 50kPa.The highest possible percentage of mass of steam that condenses at the turbine exit and leaves the turbine as a liquid is?百度给出
其实这个题是求出口蒸汽的湿度问题
根据400°C, 3MPa的入口参数查得为过热蒸汽,比焓值为3231.57kj/kg,比熵值为6.923kJ/(kg.℃)出口为湿饱和蒸汽,50KPa查得温度为81.32℃.
由理想为等熵过程（湿度最大）求得理想末态比焓值为2407.84 kJ/kg,再由这个焓值和压力50KPa
得到
压力 P = 0.05000000 MPa
温度 T = 81.32 ℃
比焓 H = 2407.84 kJ/kg
比熵 S = 6.9233 kJ/(kg.℃)
比容 V = 2.9065384 m^3/kg
干度 X = 0.8970
所以湿度是1-0.897=0.103