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    • openAccess   Certificación energética de edificios en España y sus implicaciones económicas 

      Ruá, María José; López Mesa, María Belinda CSIC (2012)
      Bajo la Directiva Europea sobre eficiencia energética de los edificios, los Estados Miembros deben desarrollar procedimientos para certificar energéticamente los edificios. Calener-VYP v1.0 es la única herramienta oficial ...

    • closedAccess   CFD modeling of a fixed-bed biofilm reactor coupling hydrodynamics and biokinetics 

      Prades Martell, Lledó; Dorado, A. D.; Climent, Javier; Guimerà, Xavier; chiva, sergio; Gamisans, Xavier Elsevier (2017-04-01)
      Rigorous modeling of transport phenomena is essential to reproduce accurately biofiltration systems performance. In this sense, the aim of this study was to investigate the effect of integrating fluid flow dynamics in the ...

    • closedAccess   CFD modelling and validation of upward bubbly flow in an adiabatic vertical pipe using the quadrature method of moments 

      Peña Monferrer, Carlos; Passalacqua, A.; chiva, sergio; Muñoz-Cobo, Jose-Luis Elsevier (2016)
      An Eulerian–Eulerian approach was investigated to model adiabatic bubbly flow with CFD techniques. In the framework of the OpenFOAM® software, a two-fluid model solver was modified to include a population balance equation, ...

    • openAccess   CFD Modelling of Odour-causing Impact on Vicinity of a Waste Water Treatment Plant 

      Macías Martínez, Aina; Herrera, Jose V.; Climent, Javier; Domínguez, Caros; Santos, Jose María; chiva, sergio AIDIC - The Italian Association of Chemical Engineering (2021-05-15)
      Due to the fast growth of cities and populations, residential areas are increasingly close to Waste Water Treatment Plants (WWTPs), causing odour impact on neighbourhood and complaints. The present study focuses on ...

    • openAccess   CFD Turbulence Study of PWR Spacer-Grids in a Rod Bundle 

      Peña Monferrer, Carlos; Muñoz-Cobo, Jose-Luis; chiva, sergio Hindawi Publishing Corporation (2014-06)
      Nuclear fuel bundles include spacers essentially for mechanical stability and to influence the flow dynamics and heat transfer phenomena along the fuel rods. This work presents the analysis of the turbulence effects of a ...

    • openAccess   Characterisation of Grasp Quality Metrics 

      Rubert, Carlos; León Pinzón, Beatriz Elena; Morales, Antonio; Sancho-Bru, Joaquin L. Springer Verlag (2017-05)
      Robot grasp quality metrics are used to evaluate, compare and select robotic grasp configurations. Many of them have been proposed based on a diversity of underlying principles and to assess different aspects of the grasp ...

    • closedAccess   Characterization and modeling of a scroll expander with air and ammonia as working fluid 

      Mendoza, Luis Carlos; Navarro-Esbrí, Joaquín; Bruno, Joan Carles; Lemort, Vincent; Coronas, Alberto Elsevier (2014-09)
      This paper presents the experimental characterization and modeling of a scroll expander. The expander used here is a scroll compressor modified to work as an expander. It is characterized in two experimental setups using ...

    • openAccess   Characterization of Glass Powder from Glass Recycling Process Waste and Preliminary Testing 

      Roig-Flores, Marta; Gimenez-Carbo, Ester; Soriano, Lourdes; SERNA, PEDRO MDPI (2021)
      This work studies the possibility of incorporating different proportions of glass powder from the waste glass (rejected material called fine cullet) produced during the glass recycling process into the manufacturing of ...

    • openAccess   Characterization of halloysite-water nanofluid for heat transfer applications 

      Alberola-Borràs, Jaume-Adrià; Mondragon, Rosa; Juliá Bolívar, José Enrique; Hernandez, Leonor; Cabedo, Luis Elsevier (2014-07-04)
      Nanofluids based on water with halloysite (Hal) nanotubes were prepared and characterized in order to evaluate its suitability to be used as a heat transfer fluid. A characterization of the Hal powder nanoparticles was ...

    • openAccess   Characterization of silica–water nanofluids dispersed with an ultrasound probe: A study of their physical properties and stability 

      Mondragon, Rosa; Juliá Bolívar, José Enrique; Barba-Juan, Antonio; Jarque Fonfría, Juan Carlos Elsevier (2012)
      The stability and agglomeration state of nanofluids are key parameters for their use in different applications. Silica nanofluids were prepared by dispersing the nanoparticles in distilled water using an ultrasonic probe, ...

    • closedAccess   Characterization of Tin/Ethylene Glycol Solar Nanofluids Synthesized by Femtosecond Laser Radiation 

      Torres-Mendieta, Rafael; Mondragón Cazorla, Rosa; Puerto-Belda, Verónica; Mendoza-Yero, Omel; Lancis, Jesús; Juliá Bolívar, José Enrique; Mínguez-Vega, Gladys John Wiley & Sons, Ltd. (2016-11-22)
      Solar energy is available over wide geographical areas and its harnessing is becoming an essential tool to satisfy the ever-increasing demand for energy with minimal environmental impact. Solar nanofluids are a novel solar ...

    • openAccess   Characterization study of a thermal oil-based carbon black solar nanofluid 

      Gimeno Furió, Alexandra; Hernandez, Leonor; Navarrete Argilés, Nuria; Mondragon, Rosa Elsevier (2019)
      Carbon nanoparticles are very useful in solar thermal applications, since they absorb much of the solar spectrum, are cheap and have excellent optical properties. Carbon nanoparticlesthermal oil-based nanofluid was ...

    • closedAccess   Circular concrete-filled dual steel columns with ultrahigh-strength concrete 

      Romero, M. L.; Albero, Vicente; Espinós, Ana; Hospitaler, Antonio; Pons, David; Portolés Flaj, Jose Manuel; Ibáñez Usach, Carmen Ernst und Sohn: OnlineOpen (2016)
      This paper presents the results of an experimental campaign in which the buckling resistance of 12 concrete-filled dual steel columns was ascertained. Whereas some papers in the literature describe investigations into ...

    • closedAccess   Circularity indicator for municipal solid waste treatment plants 

      RONDON TORO, ESTEFANI KRISTINA; LOBO, AMAYA; Gallardo Izquierdo, Antonio Elsevier (2022-11-04)
      Circular Economy (CE) has become an essential paradigm to achieve sustainability, and waste processing plants are an important element to minimise loss of resources in the production and consumption system. To incorporate ...

    • openAccess   CO2 with Mechanical Subcooling vs. CO2 Cascade Cycles for Medium Temperature Commercial Refrigeration Applications Thermodynamic Analysis 

      Nebot-Andres, Laura; Llopis, Rodrigo; Sánchez García-Vacas, Daniel; Catalán-Gil, Jesús; Cabello López, Ramón MDPI (2017-09)
      A recent trend to spread the use of CO2 refrigeration cycles in warm regions of the world is to combine a CO2 cycle with another one using a high performance refrigerant. Two alternatives are being considered: cascade and ...

    • openAccess   Colloidal stability of molten salt –based nanofluids: Dynamic Light Scattering tests at high temperature conditions 

      Navarrete Argilés, Nuria; Gimeno Furió, Alexandra; Forner Escrig, Josep; Juliá Bolívar, José Enrique; Mondragon, Rosa Elsevier (2019)
      The use of molten salt-based nanofluids as heat transfer fluids or thermal energy storage materials to increase the efficiency of Concentrated Solar Power plants has gained attention due to the use of the renewable ...

    • openAccess   Combinación de tecnologías en el levantamiento de planos. La iglesia parroquial de Portell 

      Sáez Riquelme, Beatriz; Pitarch-Roig, Angel-Miguel Asociación de profesores de expresión gráfica aplicada a la edificación (APEGA) (2015)
      La sucesiva aplicación de las nuevas tecnologías a la expresión gráfica arquitectónica ha supuesto una revolución en cada uno de los pasos que dan como resultado el levantamiento de planos. En general se puede decir ...

    • closedAccess   Combining biocatalysts to achieve new phase change materials. Application to non-edible animal fat 

      Gallart-Sirvent, Pau; Martín Llop, Marc; Solé, Aran; Villorbina Noguera, Gemma; Balcells, Mercè; CABEZA, LUISA F.; Canela-Garayoa, Ramon Elsevier (2018)
      The thermal properties of various alkylthreo-9, 10-dihydroxystearates (DHSEs) prepared from non-edible fat were studied. Non-edible animal fat was hydrolyzed in a 93% yield with R. oryzae resting cells. Crude unsaturated ...

    • openAccess   Combining O-LCA and O-LCC to support circular economy strategies in organizations: Methodology and case study 

      Alejandrino, Clarisa; Mercante, Irma Teresa; Bovea, María D Elsevier (2022-01-21)
      The pathway to sustainable development requires the transition from a linear economy to a circular economy (CE). For this transition to succeed, it is necessary for all kinds of organizations to participate actively by ...

    • openAccess   El combustible sólido recuperado: Producción y marco regulador 

      Gallardo Izquierdo, Antonio; Edo-Alcón, Natalia; Albarrán, Fernando Instituto de Optica "Daza de Valdes": Instituto de Relaciones Internacionales "Daza de Valdes" (2017)
      En los diferentes modelos de plantas de tratamiento de residuos domiciliarios, además de recuperar materiales destinados al reciclaje, se generan unos rechazos que no tiene utilidad y que generalmente se destina a vertedero. ...