Barbosa, Cleiton Ruben FormigaSantos, Ruben Saymon de Brito2024-08-222024-08-222024-08-19SANTOS, Ruben Saymon de Brito. Estudo experimental da influência da pressão de condensação no desempenho de um refrigerador com R22. 2024 32p. Trabalho de Conclusão de Curso (Graduação em Engenharia Mecânica), Departamento de Engenharia Mecânica, Universidade Federal do Rio Grande do Norte, Natal, 2024.https://repositorio.ufrn.br/handle/123456789/59776The present experimental study aims to estimate the performance of a commercial refrigerator operating with R22 subjected to different condensing pressures. Thermocouples and pressure gauges were installed at strategic points in the refrigeration circuit, which allowed, with the aid of the Coolpack software, to estimate the coefficient of performance (COP) of the refrigerator operating with R22 for different condensing conditions. To change the condensing pressure, Styrofoam plates were inserted in the condenser, reducing the free frontal area available for heat exchange (100%, 80%, 60%, 40% and 20%) between the condensing agent and the refrigerant fluid R22 inside the copper coil of the condenser, simulating the lack of maintenance. The results obtained reveal that the increase in condensing pressure strongly influences the coefficient of performance (COP) of the refrigerator, leading to shutdown by the machine's high pressure switch in the most critical condition of restriction of the free area of the condenser.Attribution-NonCommercial-NoDerivs 3.0 Brazilhttp://creativecommons.org/licenses/by-nc-nd/3.0/br/RefrigeradorRefrigeratorCondensaçãoCOPSimulaçãoR22CoolpackCondensationSimulationbachelorThesisCNPQ::ENGENHARIAS::ENGENHARIA MECANICA::FENOMENOS DE TRANSPORTE::TRANSFERENCIA DE CALOR