Numerical simulation of refrigerant flow arrangement in condensers(1): developing and verifying of a mathematic model

Based on the εNTU method， develops a mathematic model of condenser and simulates the heat transfer performances and the resistance characteristics of two condensers with different refrigerant flow arrangements. The results show that the location tubewall temperature distribution along the tube length agrees with experimental results recorded in previous literature， that the maximum total pressure error between the numerical simulation and the experimental values is 7%， and that the mathematic model can be used to compare the effect of flow arrangements on the performance of condensers.