Engenharia Mecânica (UACSA)

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Estudo da influência do fluido de trabalho no desempenho de um ciclo Rankine orgânico através da análise energética
(2019-12-12) Anjos, Leidy Catarina Felix dos; Souza, Ronelly José de; http://lattes.cnpq.br/8234458375858794; http://lattes.cnpq.br/3187993447331921
Currently, science has sought the reuse of energy in the most diverse ways. Organic RankineCycle (ORC) is already used in various applications in thermal with low and mediumtemperature sources such as waste heat, solar energy, solar concentrators and etc. Thiswork aims the economic analysis of an ORC, based on a master's dissertation, through theinfluence of the variation of working fluids from the perspective of the first law ofthermodynamics. The analysis were done through the Engineering Equation Solver (EES)computer simulator. The studied fluids were: R123, R134a, R227ea, R245fa and R290,where the behavior of the ORC was evaluated by using variations of some parameters as away of evaluation and application viability of the ORC and of the most suitable refrigerator forthe project. The parameters are: pressure ratio (RP), expander inlet temperature (T5),condensing temperature (T2), efficiency, Greek letter “eta” and net power (Ẇₗᵢq). It was found that the fluids that obtained the highest levels of power and efficiency were: R134a, R227ea and R290.