There are many fine, but old, texts on steam and gas turbines. I suggest that you start with Salisbury,J.K.; "Steam Turbines and Their Cycles"; John Wiley and Sons, Inc; 1950. Stodola, A.; "Steam and Gas Turbines"; Peter Smith; 1945
Church, E.F.; "Steam Turbines"; McGraw Hill; 1950. [sig][/sig]