Experimental study and analysis of an air-cooled condenser with the fouling on the heat exchange surface for small-scale commercial refrigeration systems

Abstract The paper presents the results of a theoretical and experimental study aimed at improving efficiency commercial refrigeration systems taking into account external negative impact on heat transfer aerodynamics an air-cooled condenser. issues solid fouling outer surface condenser as factor that worsens its energy operational reliability have been studied. A small-scale machine has used for carrying out study. To create real conditions in bench, climatic chamber thermostatic are provided. Three types used: dust, fluff, sand. collected from operating condensers which identical to exchanger. carried with variable mass fouling, made it possible simulate various As result experiment, found set roadsides, dust greatest characteristics whole, sand effect internal Recommendations determine moment cleaning based energy-saving parameters. It is proposed fix using computer software permissible air velocity key parameter operation interval under this condition.