Listar EMC_Articles por título
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Effects of healing start time and duration on conventional and high-performance concretes incorporating SAP, crystalline admixture, and sepiolite: A comparative study
Elsevier (2023-12-28)This research investigates the self-healing capability of conventional and high-performance concrete containing either a superabsorbent polymer (SAP), a crystalline admixture (CA), or water-encapsulated in sepiolite by ... -
Efficiency of a pilot scheme for the separate collection of the biowaste from municipal solid waste in Spain
Nature Research (2021-06-02)According to EU regulations, member states shall take measures to encourage the recycling of biowaste in a way that fulfils a high level of environmental protection. In Spain, the separate collection of biowaste is only ... -
Efficiency of biological and mechanical-biological treatment plants for MSW: The case of Spain
Elsevier (2024)Biological and mechanical biological treatment plants combine mechanical and biological treatments to recover the greatest possible amount of materials from municipal solid waste (MSW) and biostabilize the organic fraction ... -
Elasto-thermoelectric beam formulation for modeling thermoelectric devices
Elsevier (2017-07)The present paper provides a dynamic, non-linear and fully coupled Finite Element (FE) formulation based on the Timoshenko beam theory to study elasto-thermoelectric responses in thermoelectric devices. The two main ... -
Elasto-thermoelectric non-linear, fully coupled, and dynamic finite element analysis of pulsed thermoelectrics
Elsevier (2016-08)This paper presents a numerical study on the influence of pulsed electric signals applied to the overcooling of thermoelectric devices. To this end, an experimental setup taken from the literature and a commercial cell are ... -
Electromyography and kinematics data of the hand in activities of daily living with special interest for ergonomics
Nature Research (2023)This work presents a dataset of human hand kinematics and forearm muscle activation collected during the performance of a wide variety of activities of daily living (ADLs), with tagged characteristics of products and tasks. ... -
Emisiones gaseosas de un relleno sanitario en México, comparación con los modelos de generaciónde biogás
Universidad Nacional Autónoma de México, la Universidad Autónoma de Tlaxcala, la Universidad Veracruzana y la Universidad de Occidente, a través de la Sección Editorial del Centro de Ciencias de la Atmósfera de la Universidad Nacional Autónoma de México (2016)Para poder prever la generación de biogás en un relleno sanitario (vertedero) existen una serie de modelos matemáticos que calculan con mayor o menor exactitud esta previsión (Modelo Mexicano v.2.0, Modelo de Primer Orden ... -
Empirical equations for viscosity and specific heat capacity determination of fatty acids
Elsevier (2017-04)Phase change materials (PCM) used in thermal energy storage (TES) systems have been presented, over recent years, as one of the most effective options in energy storage. Saturated fatty acids are one of the most used PCM ... -
Energetic evaluation of a CO2 refrigeration plant working in supercritical and subcritical conditions
Elsevier (2014-05)Unlike other refrigerants, R744 (or carbon dioxide) has a very low critical temperature (30.98 °C) which hampers working in subcritical conditions especially when the environment is used as a heat rejection sink. Accordingly, ... -
Energetic evaluation of an internal heat exchanger in a CO2 transcritical refrigeration plant using experimental data
Elsevier (2011)The performance of an Internal Heat Exchanger (IHX) operating in a CO2 transcritical refrigeration plant is analysed, from an energetic point of view, in this work. The evaluation is based on experimental data by contrasting ... -
Energy analysis of dedicated and integrated mechanical subcooled CO2 boosters for supermarket applications
Elsevier (2019-03)Energy improvements offered by dedicated and integrated mechanical subcooling systems in CO2 booster systems for supermarket applications are analyzed here through the use of thermodynamic models close to reality. Using a ... -
Energy and environmental comparison of two-stage solutions for commercial refrigeration at low temperature: Fluids and systems
Elsevier (2015-01-15)International agreements will restrict in the near future the use of high-GWP refrigerants in Europe. These restrictions will favour the implantation of refrigeration systems with low-GWP fluids, especially in applications ... -
Energy assessment and environmental impact analysis of an R134a/R744 cascade refrigeration plant upgraded with the low-GWP refrigerants R152a, R1234ze(E), propane (R290) and propylene (R1270)
Elsevier (2019-05-23)The European limitations associated with the use of fluorinated refrigerants have affected one of the most extended solutions used in commercial refrigeration in warm countries. Traditional cascade systems with R404A or ... -
Energy assessment of an R134a refrigeration plant upgraded to an indirect system using R152a and R1234ze(E) as refrigerants
Elsevier (2018-07-05)In this work the experimental results obtained from a direct expansion refrigerating plant converted into an indirect plant, are presented and discussed in terms of energy consumption for a commercial refrigerating unit ... -
Energy comparison based on experimental results of a cascade refrigeration system pairing R744 with R134a, R1234ze(E) and the natural refrigerants R290, R1270, R600a
Elsevier (2023)Refrigeration architectures for low-temperature applications are gaining interest in the Industrial, Commercial and Health fields. One of the most classical architectures is cascade systems, where two mechanical single ... -
Energy comparison based on experimental results of a cascade refrigeration system pairing R744 with R134a, R1234ze(E) and the natural refrigerants R290, R1270, R600a
Elsevier (2023)Refrigeration architectures for low-temperature applications are gaining interest in the Industrial, Commercial and Health fields. One of the most classical architectures is cascade systems, where two mechanical single ... -
Energy evaluation of a Low Temperature commercial refrigeration plant working with the new low-GWP blend R468A as drop-in of R404A
Elsevier (2021-01-20)This work analyses experimentally the energy behaviour of a centralized commercial refrigeration plant designed to be used with R404A (GWP100=3,943) at low temperatures, when it is replaced with the new low-GWP refrigerant ... -
Energy Evaluation of Multiple Stage Commercial Refrigeration Architectures Adapted to F-Gas Regulation
MDPI (2018-07-23)This work analyses different refrigeration architectures for commercial refrigeration providing service to medium and low temperature simultaneously: HFC/R744 cascade, R744 transcritical booster, R744 transcritical ... -
Energy evaluation of R152a as drop in replacement for R134a in cascade refrigeration plants
Elsevier (2017-01)An experimental comparison has been performed of a cascade refrigeration facility working with the refrigerant pairs R134a/R744 and R152a/R744. This kind of facility is suitable for industrial and commercial refrigeration ... -
Energy harvesting analysis in railway bridges: an approach based on modal decomposition
Elsevier (2021)In this paper the authors investigate the energy harvesting in railway bridges and analyse the performance under different operational conditions. An approximation based on modal superposition is proposed for the computation ...