FEASIBLE COOLING CURVE PAIRINGS TIin Tli Countercurrent Flow Cocurrent flow Tout Tout Tout Tout T2in T2in Q 0 INFEASIBLE COOLING CURVE PAIRINGS T Q Q /2499 Heat Exchanger desigr8/24/99 Heat Exchanger Design 8 T T1in Q T1out T2in T2out Countercurrent Flow T2in T1in T1out T2out Q T Cocurrent Flow FEASIBLE COOLING CURVE PAIRINGS T Q T Q INFEASIBLE COOLING CURVE PAIRINGS