Ÿ Exergy analysis over HTC, compressor

x ˙ HTC , Comp = T a m ˙ HTC ( s 6 s 5 )

Equation (12)

Ÿ Exergy analysis over HTC, condenser

x ˙ HT , cond = ( T a m ˙ HTC ( s 7 s 6 ) ) + ( m ˙ HTC ( h 6 h 7 ) )

Equation (13)

Ÿ Exergy analysis over HTC, evaporator

x ˙ HTC , evap = T a m ˙ HTC ( s 8 s 7 )

Equation (14)

Ÿ Exergy analysis over intermediate heat exchanger

x ˙ Intermediate,HEX = T a ( ( m ˙ LTC ( h 3 h 2 ) ) + m ˙ HTC ( s 5 s 8 ) )

Equation (15)

Ÿ Exergy analysis in LTC, comp.

x ˙ LTC , Comp = T a m ˙ LTC ( s 2 s 1 )

Equation (16)

Ÿ Exergy analysis over LTC, evaporator

x ˙ LTC,evap = T a m ˙ LTC ( s 4 s 3 )

Equation (17)

Ÿ Second law efficiency (Exergetic Efficiency)

η II = η exergetic = W ˙ LTC,Comp + W ˙ HTC,Comp X ˙ Total W ˙ LTC,Comp + W ˙ HTC,Comp

Equation (18)