tutorial 4_superheated steam cycle with preheating

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Chair of Power Plant Technology Prof. Dr.-Ing. Krautz Power Plant Technology Practice 3 Regener ative cycle (R egeneration) With the regenerative cycle, the mean temperature at which heat is ae can !e increase !y raising the temperature of the fee-water entering the !oile r. The "uantity of steam e#tracte is just s ufficient to cause the li"ui lea$ing the fee-heater to !e saturate at state %a& s T ' ( ) * 3 + " " z u a b T T m a x m i n , ' T m K m F D c a m a m c m b . . . . . (b) Fig. 4.1 Clausius-Rankine process wi th regenerative fee water pr eheating The individual processes are: + → ' isentropic e#pansion in the tur!ine ' → 3 isothermal conensation 3 → * isentropic c ompression !oiler fee pumps %summarize on the !asis of the rawingiagram& + / + ' * ( ) " " i n o u t 3 , a ! c

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Page 1: Tutorial 4_superheated Steam Cycle With Preheating

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