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A review of refrigerant R1234ze(E) recent investigations
Mota-Babiloni, Adrián; Navarro-Esbrí, Joaquín; Moles, Fran; Barragán Cervera, Angel; Peris, Bernardo; Verdú, Gumersindo Elsevier (2016-02-25)Climate change is demonstrated through global surface temperatures increase in the last century. To stop this phenomenon, new regulations that ban or tax greenhouse gas fluids (HFC among them) have been approved. In the ... -
Analysis based on EU Regulation No 517/2014 of new HFC/HFO mixtures as alternatives of high GWP refrigerants in refrigeration and HVAC systems
Mota-Babiloni, Adrián; Navarro-Esbrí, Joaquín; Barragán Cervera, Angel; Moles, Fran; Peris, Bernardo Elsevier (2015)The EU Regulation No 517/2014 is going to phase-out most of the refrigerants commonly used in refrigeration and air conditioning systems (R134a, R404A and R410A) because of their extended use and their high GWP values. ... -
Análisis experimental de la influencia del intercambiador intermedio en el desempeño de un sistema de compresión de vapor trabajando con R1234yf como sustituto directo al R134a
Moles, Fran Universitat Jaume I (2014-02)Los sistemas de producción de frío por compresión de vapor cuentan actualmente con un amplio censo de potencia instalada, tanto en instalaciones de refrigeración como de climatización. Durante las últimas décadas se ha ... -
Bottoming organic Rankine cycle configurations to increase Internal Combustion Engines power output from cooling water waste heat recovery
Peris, Bernardo; Navarro-Esbrí, Joaquín; Moles, Fran Elsevier (2013-11-03)This work is focused on waste heat recovery of jacket cooling water from Internal Combustion Engines (ICEs). Cooling water heat does not always find use due to its low temperature, typically around 90 °C, and usually is ... -
Commercial refrigeration – An overview of current status
Mota-Babiloni, Adrián; Navarro-Esbrí, Joaquín; Barragán Cervera, Angel; Moles, Fran; Peris, Bernardo; Verdú, Gumersindo Elsevier (2015)Commercial refrigeration comprises food freezing and conservation in retail stores and supermarkets, so, it is one of the most relevant energy consumption sectors, and its relevance is increasing. This paper reviews the ... -
Design of an environmentally friendly refrigeration laboratory based on cooling capacity calculation for graduate students
Mota-Babiloni, Adrián; Makhnatch, Pavel; Navarro-Esbrí, Joaquín; Moles, Fran; Khodabandeh, Rahmatollah Ahmad Ibrahim (2018)Lower global warming potential (GWP) refrigerants must be used in refrigeration education to integrate the environmentally responsible engineering principles in class. However, most of the refrigeration educational ... -
Drop-in analysis of an internal heat exchanger in a vapour compression system using R1234ze(E) and R450A as alternatives for R134a
Mota-Babiloni, Adrián; Navarro-Esbrí, Joaquín; Barragán Cervera, Angel; Moles, Fran; Peris, Bernardo Elsevier (2015-10)The IHX (internal heat exchanger) is introduced in some refrigeration systems in order to achieve higher energy performances. Results obtained vary greatly depending on the refrigerant used and working conditions. This ... -
Drop-in energy performance evaluation of R1234yf and R1234ze(E) in a vapor compression system as R134a replacements
Mota-Babiloni, Adrián; Navarro-Esbrí, Joaquín; Barragán Cervera, Angel; Moles, Fran; Peris, Bernardo Elsevier (2014-10)This paper presents an energy performance evaluation of two low-GWP refrigerants, R1234yf and R1234ze(E), as drop-in replacements for R134a. Tests are carried out in a monitored vapor compression system combining different ... -
Dynamic model of a shell-and-tube condenser. Analysis of the mean void fraction correlation influence on the model performance
Milián, V.; Navarro-Esbrí, Joaquín; Ginestar, D.; Moles, Fran; Peris, Bernardo Elsevier (2013)A moving-boundary dynamic model of a shell-and-tube condenser is presented. Within this approach, the mean void fraction is a relevant parameter which is obtained, in this work, using different correlations proposed in the ... -
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 ... -
Experimental analysis of the internal heat exchanger influence on a vapour compression system performance working with R1234yf as a drop-in replacement for R134a
Navarro-Esbrí, Joaquín; Moles, Fran; Barragán Cervera, Angel Elsevier (2013-09-25)This paper presents an experimental analysis of the influence of an internal heat exchanger on the performance of a vapour compression system using R1234yf as a drop-in replacement for R134a. In this work, we compare the ... -
Experimental characterization of an ORC (organic Rankine cycle) for power and CHP (combined heat and power) applications from low grade heat sources
Peris, Bernardo; Navarro-Esbrí, Joaquín; Moles, Fran; González, Manuel; Mota-Babiloni, Adrián Elsevier (2015-03)An ORC (organic Rankine cycle) module, designed and built for a specific CHP (combined heat and power)) application, is tested in this paper. The aim of the work is to characterize the system performance in the operating ... -
Experimental characterization of an Organic Rankine Cycle (ORC) for micro-scale CHP applications
Peris, Bernardo; Navarro-Esbrí, Joaquín; Moles, Fran; Martí, José Pascual; Mota-Babiloni, Adrián Elsevier (2015-03-25)This work conducts an experimental characterization of an Organic Rankine Cycle (ORC) module along the operating conditions expected for micro Combined Heat and Power (CHP) applications. For this, a monitored test bench ... -
Experimental evaluation of HCFO-1233zd-E as HFC-245fa replacement in an Organic Rankine Cycle system for low temperature heat sources
Moles, Fran; Navarro-Esbrí, Joaquín; Peris, Bernardo; Mota-Babiloni, Adrián Elsevier (2016-04-05)In this work an experimental evaluation of the working fluid HCFO-1233zd-E as HFC-245fa replacement in ORC systems for low temperature heat sources has been conducted. A fully monitored ORC module has been used to test ... -
Experimental evaluation of R448A as R404A lower-GWP alternative in refrigeration systems
Mota-Babiloni, Adrián; Navarro-Esbrí, Joaquín; Peris, Bernardo; Moles, Fran; Verdú, Gumersindo Elsevier (2015-11)Due to the adoption of EU Regulation No 517/2014, R404A is going to be banned in Europe in most of refrigeration applications, in which is typically used, due to its very high GWP value, 3943. In this paper an experimental ... -
Experimental exergy and energy analysis of a novel high-temperature heat pump with scroll compressor for waste heat recovery
Mateu-Royo, Carlos; Navarro-Esbrí, Joaquín; Mota-Babiloni, Adrián; Moles, Fran; Amat-Albuixech, Marta Elsevier (2019-11-01)The industrial sector demands novel sustainable energy systems to advance in its decarbonisation and meet the targets of the Paris Agreement for the climate change mitigation. High-Temperature Heat Pumps (HTHPs) are being ... -
Experimental study of an ORC (organic Rankine cycle) for low grade waste heat recovery in a ceramic industry
Peris, Bernardo; Navarro-Esbrí, Joaquín; Moles, Fran; Mota-Babiloni, Adrián Elsevier (2015-06)This paper deals about an experimental application of an ORC (organic Rankine cycle) in a ceramic industry for low grade waste heat recovery. The ORC module used in this application was initially designed and constructed ... -
Experimental study of an Organic Rankine Cycle with HFO-1336mzz-Z as a low global warming potential working fluid for micro-scale low temperature applications
Navarro-Esbrí, Joaquín; Moles, Fran; Peris, Bernardo; Mota-Babiloni, Adrián; Kontomaris, Konstantinos Elsevier (2017-08-15)An experimental evaluation of HFO-1336mzz-Z as a low global warming potential working fluid for ORC systems in micro-scale low temperature applications has been conducted. The energy performance in a fully monitored ORC ... -
Experimental study of an R1234ze(E)/R134a mixture (R450A) as R134a replacement
Mota-Babiloni, Adrián; Navarro-Esbrí, Joaquín; Barragán Cervera, Angel; Moles, Fran; Peris, Bernardo Elsevier (2015)This work presents an experimental analysis of a non-flammable R1234ze(E)/R134a mixture (R450A) as R134a drop-in replacement. While R134a has a high GWP value (1430), the R450A GWP is only 547. The experimental tests are ... -
HCFO-1224yd(Z) as HFC-245fa drop-in alternative in low temperature ORC systems: Experimental analysis in a waste heat recovery real facility.
Navarro-Esbrí, Joaquín; Amat-Albuixech, Marta; Moles, Fran; Mateu-Royo, Carlos; Mota-Babiloni, Adrián; Collado, Roberto Elsevier (2020-02-15)The organic Rankine cycle (ORC) has been growing in importance as a technology for producing electricity from low temperature waste and renewable heat sources. In small-scale applications, the most used working fluid has ...