Page 272 - Design and Operation of Heat Exchangers and their Networks

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Design and operation of heat exchangers and their networks
Δt min mixing). (isothermal TAC Q CU Q HU Q E4 Q E3 Q E2 Q E1 ($/yr) (kW) (kW) (kW) (kW) (kW) (kW) 109,768 120 200 1080 1320 680 500 109,536 100 180 1080 1320 700 500 109,938 80 160 1080 1320 720 500 109,535 101.10 181.10 1080 1320 698.90 500 108,072 104.35 184.35
different (kW/K)

under _ C c,E3 13.2 13.069 12.941 13.076 13.032

method (kW/K)

design _ C h,E4 18 18 18 18 20.724

pinch

of (°C) design
Results t pinch 125 125 125 125

6.5
Table Δt min 5 4 3 4.0550 Optimal