Listar por autoría "eb273079-9c5f-46d1-9ca0-5524025f7448"
Mostrando ítems 1-11 de 11
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Comprehensive experimental evaluation of R1234yf-based low GWP working fluids for refrigeration and heat pumps
Al-Sayyab, Ali; Navarro-Esbrí, Joaquín; Barragán Cervera, Angel; Kim, Sarah; Mota-Babiloni, Adrián Elsevier (2022-03-17)This work presents an experimental comparison for low GWP refrigerants used in vapour compression cooling and heating systems. The study compares three lower global warming potential (GWP) refrigerants (R513A, R516A, and ... -
Conventional and Advanced Exergoeconomic Analysis of a Compound Ejector-Heat Pump for Simultaneous Cooling and Heating
Al-Sayyab, Ali; Navarro-Esbrí, Joaquín; Soto Francés, Víctor Manuel; Mota-Babiloni, Adrián MDPI (2021-06-13)This work focused on a compound PV/T waste heat driven ejector-heat pump system for simultaneous data centre cooling and waste heat recovery for district heating. The system uses PV/T waste heat as the generator’s heat ... -
Dual fluid trigeneration combined organic Rankine-compound ejector-multi evaporator vapour compression system
Al-Sayyab, Ali; Mota-Babiloni, Adrián; Barragán Cervera, Angel; Navarro-Esbrí, Joaquín Elsevier (2022-07-02)This article evaluates the energy and exergy performance of a novel dual fluid combined organic Rankine-compound ejector multi evaporators vapour compression system (ORCEMES) for power, cooling and heating purposes. Six ... -
Energy, exergy, and environmental (3E) analysis of a compound ejector-heat pump with low GWP refrigerants for simultaneous data center cooling and district heating
Al-Sayyab, Ali; Navarro-Esbrí, Joaquín; Mota-Babiloni, Adrián Elsevier Ltd. (2021-10-05)This work presents an energy, exergy, and environmental evaluation of a novel compound PV/T (photovoltaic thermal) waste heat driven ejector-heat pump system for simultaneous data center cooling and waste heat recovery for ... -
Experimental Assessment of the Internal Heat Exchanger in Vapour Compression Systems With Low GWP Refrigerant R516A
Al-Sayyab, Ali; Mota-Babiloni, Adrián; Barragán Cervera, Angel; Giménez-Prades, Pau; Fernández-Moreno, Adrián; Navarro-Esbrí, Joaquín Elsevier (2022)Internal heat exchangers (IHX) are commonly used to improve the energy performance of vapour compression refrigeration cycles. However, the magnitude of the improvement depends on the refrigerant and operational ... -
Experimental drop-in comparison of R516A for water-to-water refrigeration applications
Al-Sayyab, Ali; Navarro-Esbrí, Joaquín; Barragán Cervera, Angel; Mota-Babiloni, Adrián Universidad Politécnica de Cartagena. Ediciones UPCT (2022-04-17)R134a is still one of the most used hydrofluorocarbons (HFCs) in refrigeration and air conditioning applications. However, it should be phased out in the coming years because of its high global warming potential (GWP). The ... -
Experimental evaluation of the azeotropic mixture R516A as an R134A drop-in alternative for moderately high-temperature heat pumps
Al-Sayyab, Ali; Mota-Babiloni, Adrián; Barragán Cervera, Angel; Navarro-Esbrí, Joaquín Universidad Politécnica de Cartagena. Ediciones UPCT (2022-04-17)The moderately high-temperature heat pump (MHTHP) is a market with a great potential to reduce greenhouse gas emissions from the heating sector. However, future proof MHTHPs cannot be based on hydrofluorocarbons with high ... -
Novel compound waste heat-solar driven ejector-compression heat pump for simultaneous cooling and heating using environmentally friendly refrigerants
Al-Sayyab, Ali; Mota-Babiloni, Adrián; Navarro-Esbrí, Joaquín Elsevier (2021-01-15)This work investigates the theoretical performance of a novel compound waste heat-solar driven ejector-solar assisted heat pump for simultaneous heating and cooling purposes. The system utilizes waste heat from three different ... -
Performance evaluation of modified compound organic Rankine-vapour compression cycle with two cooling levels, heating, and power generation
Al-Sayyab, Ali; Mota-Babiloni, Adrián; Navarro-Esbrí, Joaquín Elsevier (2023)This work analyses a novel combined organic Rankine-compound ejector vapour compression cycle for power, cooling and heating production using a low-grade ground heat source as the primary heat source. Ultra-low global ... -
Renewable and waste heat applications for heating, cooling, and power generation based on advanced configurations
Al-Sayyab, Ali; Mota-Babiloni, Adrián; Navarro-Esbrí, Joaquín Elsevier (2023)Using renewable heat energy sources, recovering the waste heat, and enhancing the processes and energy efficiency can reduce the electricity dependency of several industrial applications. Renewable and waste heat have ... -
Techno-economic analysis of a PV/T waste heat–driven compound ejector-heat pump for simultaneous data centre cooling and district heating using low global warming potential refrigerants
Al-Sayyab, Ali; Navarro-Esbrí, Joaquín; Barragán Cervera, Angel; Mota-Babiloni, Adrián Springer Nature (2022-08-05)A comprehensive techno-economic evaluation is evaluated based on an innovative compound ejector-heat pump system with PV/T (photovoltaic thermal) waste heat-driven. The aim of the system is simultaneous data centre cooling ...