IMPORTANT POINTS (Contd. 3) As a practical matter, for heat to be transferred at an acceptable rate, the temperature of the cold fluid must be less than that of the hot fluid at each point in the exchanger by a reasonable amount. We refer to the minimum acceptable temperature difference as the MINIMUM APPROACH TEMPERATURE or ATmir This is also known in the literature as the pinch TEMPERATURE. The methodology for synthesizing heat exchanger networks is sometimes called PINCH TECHNOLOGY 2199 HENS 1: Targeting 52/21/99 HENS 1: Targeting 5 IMPORTANT POINTS (Cont’d.) 3) As a practical matter, for heat to be transferred at an acceptable rate, the temperature of the cold fluid must be less than that of the hot fluid at each point in the exchanger by a reasonable amount. We refer to the minimum acceptable temperature difference as the MINIMUM APPROACH TEMPERATURE or DTmin. This is also known in the literature as the PINCH TEMPERATURE. The methodology for synthesizing heat exchanger networks is sometimes called PINCH TECHNOLOGY