Chemical Process Design and Integration by Robin Smith chapter 23 exercise 2

2. A steam turbine operates with inlet steam conditions of 40 barg and 420C and can be assumed to operate with an isentropic efficiency of 80% and a mechanical efficiency of 95%. Calculate the power production for a steam flowrate of 10 kg.s-1 and the heat available per kg in the exhaust steam (i.e. superheat plus latent heat) for outlet conditions of: a. 20 barg b. 10 barg c. 5 barg. Determine steam properties from steam tables. What do you conclude about the heat available in the exhaust steam as the outlet pressure varies? 2. A steam turbine operates with inlet steam conditions of 40 barg and 420C and can be assumed to operate with an isentropic efficiency of 80% and a mechanical efficiency of 95%. Calculate the power production for a steam flowrate of 10 kg.s-1 and the heat available per kg in the exhaust steam (i.e. superheat plus latent heat) for outlet conditions of: a. 20 barg b. 10 barg c. 5 barg. Determine steam properties from steam tables. What do you conclude about the heat available in the exhaust steam as the outlet pressure varies