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A liquid to liquid counterflow heat exchanger is used as part of an auxiliary system at a facility. The heat exchanger is used to heat

A liquid to liquid counterflow heat exchanger is used as part of an auxiliary system at a facility. The heat exchanger is used to heat a cold fluid from 120C to 310C. The hot fluid enters at 500C and leaves at 400C. Complete the following:

  1. Draw and label properly a diagram to represent this heat exchanger.
  2. Calculate the LMTD for this heat exchanger.
  3. Using the same information provided, calculate the LMTD if this heat exchanger is treated as having a co-current arrangement.
  4. Compare your answers for parts (2) and (3), which has more heat being transferred.

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