Verification of evaporator computer models and analysis of performance of an evaporator coil

This report contains a verification of computer algorithms to predict the capacity of an evaporator coil used in an air-conditioning application. Three computer programs and a major coil manufacturer's catalog were utilized. Two direct expansion, V-shaped indoor coils and a flat coil positioned at different face angles with horizontal airflow were tested at two refrigerant saturation temperatures. Test results, comparison with models and catalog predictions, and the reasons for differences were discussed