Effect of Heat Exchangers Connection on Effectiveness

In this work, the performance of the recuperative type heat exchangers connected in series is studied. General expressions for the effectiveness of counter flow and parallel flow connections for any type of heat exchangers have been derived. It is proved that the effectiveness of the heat exchanger is only function of the thermal conductance and heat capacity flows. A numerical example is given in order to find how many cross flow heat exchangers connected in series would give the same effectiveness as that of single counterflow heat exchanger.