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Type: Artigo
Title: Performance evaluation of a vapor injection refrigeration system using mixture refrigerant R290/R600a
Title Alternative: Évaluation de la performance d'un système frigorifique à injection de vapeur utilisant un mélange de frigorigènes R290/R600a
Author: d'Angelo, José Vicente Hallak
Aute, Vikrant
Radermacher, Reinhard
Abstract: This work presents a performance evaluation of a vapor injection refrigeration system using a mixture refrigerant R290/R600a, through steady-state simulations used to accomplish a parametric analysis considering the influence of the refrigerant composition over the following parameters: COP; compressor power; refrigerant mass flow rate; refrigerant temperature glide; mass flow ratio between vapor and feed streams in the flash tank; liquid and vapor composition of flash tank outlet streams and compression ratio. Two cases, denominated A and B, considering different fixed temperatures at the refrigeration system were studied and their performances were compared with the one of a basic vapor compression cycle. A maximum COP was obtained for a mixture containing 40 wt% of R290. COP of vapor injection refrigeration cycle is 16–32% greater than the one of a vapor compression cycle, depending on the composition of the mixture refrigerant and pressure drop at the cycle upper-stage expansion valve
Subject: Hidrocarbonetos
Country: Reino Unido
Editor: Elsevier
Rights: Fechado
Identifier DOI: 10.1016/j.ijrefrig.2016.01.019
Date Issue: 2016
Appears in Collections:FEQ - Artigos e Outros Documentos

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