3.17 Consider the cycle described in Problem 3.16. The heat transfers in the cycle are occurring at boundary temperatures defined as follows:

( )

( )

( )

− = =

− = =

− = =

T T T T T T T T T 5 K boiler boundary temperature 2 K condenser boundary temperature 2 K evaporator boundary temperature b,b 1 b,b 3 b,c b,c b,e 7 b,e For these conditions, determine the following:

a. Exergy destruction rates in each of the components in the cycle (kW)

b. Exergetic efficiency of the cycle