Browsing EMC_Articles by Title
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Optimal refrigerant mixture in single-stage high-temperature heat pumps based on a multiparameter evaluation
Elsevier Ltd (2022-01-25)High-temperature heat pumps (HTHPs) are compression systems that convert residual heat to high-grade heat used in several industrial applications. Refrigerants for HTHPs are still not explored, and most studies consider ... -
Optimisation of high-temperature heat pump cascades with internal heat exchangers using refrigerants with low global warming potential
Elsevier (2018-12-15)High-temperature heat pumps (HTHPs) based on vapour compression can be used for industrial low-grade waste heat valorisation, which can aid in mitigating climate change. Currently, the performance of HTHPs ... -
Optimizing R152a/R600 and R290/R600 mixtures for superior energy performance in vapor compression systems: Promising alternatives to Isobutane (R600a)
Elsevier (2024-06-15)This study presents an experimental investigation into the optimal composition of R152a/R600 and R290/R600 mixtures as potential alternatives to isobutane (R600a) in a single-stage vapor compression cycle. The research ... -
Optimizing throughput of Seq2Seq model training on the IPU platform for AI-accelerated CFD simulations
Elsevier (2023)Intelligence Processing Units (IPU) have proven useful for many AI applications. In this paper, we evaluate them within the emerging field of AI for simulation, where traditional numerical simulations are supported by ... -
Options for labelling circular products: Icon design and consumer preferences
Elsevier (2018-11)The demand of products that incorporate circular requirements depend on consumer perceptions. So effective communication is necessary between the product and consumers through product labelling. The use of specific icons ... -
Overview of low GWP mixtures for the replacement of HFC refrigerants: R134a, R404A and R410A
Elsevier (2019-11-15)The current European F-gas regulation establishes restrictions in the use of fluoride refrigerants with a high global warming potential (GWP) in applications of refrigeration and air conditioning (RAC) systems. Moreover, ... -
Parameterized environmental impacts of ready-mixed concrete in Spain
Taylor and Francis Group (2022-09-07)This study includes the assessment of all possible combinations of ready-mix concrete encompassed in a reference construction database of building materials for Valencia (Spain). All concrete components are considered in ... -
Parametric analysis of hybrid elastocaloric – CO2 cooling system
Elsevier (2024-09-15)This study examines the potential application of elastocaloric refrigeration (eC) technology for the subcooling of CO2 in transcritical single-stage refrigeration cycles. Elastocaloric refrigeration, a solid-state refrigeration ... -
Participatory Budgeting and Placemaking: Concepts, Methods, and Practices
Cogitatio Press (2024-01-16)Participatory budgeting has arisen as an interesting form of citizen participation in urban development and, thus, as a new way of exercising placemaking and grassroots democracy. In this article, we provide an analysis ... -
Patient-specific simulation of the intrastromal ring segment implantation in corneas with keratoconus
Elsevier (2015)Purpose The purpose of this study was the simulation of the implantation of intrastromal corneal-ring segments for patients with keratoconus. The aim of the study was the prediction of the corneal curvature recovery ... -
Perceiving Design Features in New Interaction Environments: Comparing Rendered Images, 360° Rotation, AR, Immersive and Non-Immersive VR, and Real Product Interaction
Multidisciplinary Digital Publishing Institute (MDPI) (2024-05-22)The emergence of new display technologies can change the perception of product design features and their assessment. Previous studies are limited to comparisons between a few technologies; the real product is considered ... -
Performance assessment of an experimental CO2 transcritical refrigeration plant working with a thermoelectric subcooler in combination with an internal heat exchanger
Elsevier (2022-07-19)Regulations in the refrigeration sector are forcing the transition to low global warming potential fluids such as carbon dioxide in order to decrease direct greenhouse gases emissions. Several technologies have arisen over ... -
Performance characteristics of concrete based on a ternary calcium sulfoaluminate–anhydrite–fly ash cement
Elsevier (2015-01)This paper reports an assessment of the performance of concrete based on a calcium sulfoaluminate–anhydrite–fly ash cement combination. Concretes were prepared at three different w/c ratios and the properties were compared ... -
Performance evaluation of an Organic Rankine Cycle (ORC) for power applications from low grade heat sources
Elsevier (2015-01-22)In this paper the performance of an Organic Rankine Cycle (ORC) module, which was designed and built for a specific power application, is experimentally characterized. The ORC tested satisfies the main specifications for ... -
Performance evaluation of modified compound organic Rankine-vapour compression cycle with two cooling levels, heating, and power generation
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 ... -
Performance evaluation of R404A and R507A refrigerant mixtures in an experimental double-stage vapour compression plant
Elsevier (2010-05)As a result of the ban of the CFC fluids in 2000 and the future limitation of HCFC fluids, which manufacture limit is the year 2010, refrigerant producers have been working to develop different mixtures, mainly based on ... -
Perovskite Photovoltaic Modules: Life Cycle Assessment of Pre-industrial Production Process
Elsevier (2018)Photovoltaic devices based on perovskite materials have a great potential to become an exceptional source of energy while preserving the environment. However, to enter the global market, they require further development ... -
Phase Change Material Selection for Thermal Energy Storage at High Temperature Range between 210 degrees C and 270 degrees C
MDPI (2018-04-08)The improvement of thermal energy storage systems implemented in solar technologies increases not only their performance but also their dispatchability and competitiveness in the energy market. Latent heat thermal energy ... -
Phase Change Material Selection for Thermal Processes Working under Partial Load Operating Conditions in the Temperature Range between 120 and 200 °C
MDPI (2017-07-14)In some processes, latent heat thermal energy storage (TES) systems might work under partial load operating conditions (the available thermal energy source is discontinuous or insufficient to completely charge the phase ... -
Photothermal properties and performance of hybrid carbon-paraffin/water emulsions
Elsevier (2023-10-09)Solar thermal energy has attracted renewed research interest for its excellent energy efficiency among different types of solar technologies. However, the limiting factor of them all is the intermittent nature of solar ...