A double pipe heat exchanger uses water at 15 °C to cool 100 °C fluid (Cp = 2.63kj / kg °K) the water and fluid rates are each 0.5 kg / s .
What is the maximum possible heat transfer rate?
What effectiveness of the heat exchanger?
What is Tco and Tho ?
Which method do you chooses (parallel or counter) flow ? Why?