Listar EMC_Articles por autoría "9716dfb7-dead-401f-9f04-164fbdffe004"
Mostrando ítems 1-10 de 10
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Comparative evaluation of R1234yf, R1234ze(E) and R450A as alternatives to R134a in a variable speed reciprocating compressor
Mendoza-Miranda, Juan Manuel; Mota-Babiloni, Adrián; Ramírez Minguela, J. J.; Muñoz Carpio, V. D.; Carrera Rodríguez, M.; Navarro-Esbrí, Joaquín; Salazar Hernández, C. Elsevier (2016-11-01)A comparative energetic evaluation of R1234yf, R1234ze(E) and R450A as alternatives to R134a in a variable speed compressor is carried out. A compressor model based on dimensionless numbers was obtained using the ... -
Computational tool for experimental refrigeration system analysis using spreadsheets
Mendoza-Miranda, Juan Manuel; Belman, Juan; Gallegos-Muñoz, Armando; Mota-Babiloni, Adrián; Navarro-Esbrí, Joaquín Publicaciones DYNA (2014-12)This paper presents a spreadsheet application for data filtering and energy analysis, which has applications in research and experimental evaluation of the energetic performance of alternative refrigerants. Experimental ... -
Development and validation of a micro-fin tubes evaporator model using R134a and R1234yf as working fluids
Mendoza-Miranda, Juan Manuel; Ramírez Minguela, J. J.; Muñoz Carpio, V. D.; Navarro-Esbrí, Joaquín Elsevier (2015)This paper presents a model of shell and tube evaporator with micro-fin tubes using R1234yf and R134a. The model developed for this evaporator uses the ε-NTU method to predict the evaporating pressure, the refrigerant ... -
Evaluación energética de los refrigerantes R1234yf y R152a como alternativa al R134a en sistemas de refrigeración
Navarro-Esbrí, Joaquín; Mota-Babiloni, Adrián; Peris, Bernardo; Moles, Fran; Mendoza-Miranda, Juan Manuel; Belman, Juan; Rubio Arana, Jose Cuauhtémoc Universidad Nacional de Educación a Distancia (2013)En este artículo se presenta la evaluación del desempeño teórico de los refrigerantes R1234yf y R152a como alternativas al R134a para ciclos de refrigeración. La evaluación se realiza para un ciclo de simple etapa en un ... -
Evaluation of R448A and R450A as low-GWP alternatives for R404A and R134a using a micro-fin tube evaporator model
Mendoza-Miranda, Juan Manuel; Mota-Babiloni, Adrián; Navarro-Esbrí, Joaquín Elsevier (2016-04-05)When retrofitting new refrigerants in an existing vapour compression system, their adaptation to the heat exchangers is a major concern. R450A and R448A are commercial non-flammable mixtures with low GWP developed to replace ... -
Experimental analysis of R1234yf as a drop-in replacement for R134a in a vapor compression system
Navarro-Esbrí, Joaquín; Mendoza-Miranda, Juan Manuel; Mota-Babiloni, Adrián; Barragán Cervera, Angel; Belman, Juan (2013-05)This paper presents an experimental analysis of a vapor compression system using R1234yf as a drop-in replacement for R134a. In this work, we compare the energy performance of both refrigerants, R134a and R1234yf, in a ... -
Experimental evaluation of system modifications to increase R1234ze(E) cooling capacity
Mota-Babiloni, Adrián; Navarro-Esbrí, Joaquín; Mendoza-Miranda, Juan Manuel; Peris, Bernardo Elsevier (2017)The GWP limitations are being progressively introduced in Europe through Regulation EU No 517/201, phasing out R134a in most of its refrigeration and air conditioning applications. Pure hydrofluoroolefins are proposed to ... -
Herramienta computacional para analizar un sistema experimental de refrigeración usando hojas de cálculo
Mendoza-Miranda, Juan Manuel; Belman, Juan; Gallegos-Muñoz, Armando; Mota-Babiloni, Adrián; Navarro-Esbrí, Joaquín Federación de Asociaciones de Ingenieros Industriales (2014)This paper presents a spreadsheet application for data filtering and energy analysis, which has applications in research and experimental evaluation of the energetic performance of alternative refrigerants. Experimental ... -
Shell-and-tube evaporator model performance with different two-phase flow heat transfer correlations. Experimental analysis using R134a and R1234yf
Navarro-Esbrí, Joaquín; Moles, Fran; Peris, Bernardo; Barragán Cervera, Angel; Mendoza-Miranda, Juan Manuel; Mota-Babiloni, Adrián; Belman, Juan Elsevier (2014-01)This work presents a model of a shell-and-tube evaporator using R1234yf and R134a as working fluids. The model uses the effectiveness-NTU method to predict the evaporation pressure and the refrigerant and secondary fluid ... -
Variable speed liquid chiller drop-in modeling for predicting energy performance of R1234yf as low-GWP refrigerant
Mendoza-Miranda, Juan Manuel; Salazar Hernández, C.; Carrera-Cerritos, R.; Ramírez Minguela, J. J.; Salazar-Hernández, M.; Navarro-Esbrí, Joaquín; Mota-Babiloni, Adrián Elsevier (2018-07)This paper presents a model for a variable-speed liquid chiller integrating a compressor model based on Buckingham π-theorem to accurately predict the system performance when R134a is replaced with R1234yf, using a wide ...