Recent Submissions

  • Sound absorbing and insulating low-cost panels from end-of-life household materials for the development of vulnerable contexts in circular economy perspective 

    Neri, Manuela; Levi, Elisa; Cuerva Contreras, Eva; Pardo Bosch, Francesc; Guardo Zabaleta, Alfredo de Jesús; Pujadas Álvarez, Pablo (Multidisciplinary Digital Publishing Institute, 2021-06-09)
    Article
    Open Access
    From a construction point of view, neighborhoods with residents living at or below the poverty threshold are characterized by low energy efficiency buildings, in which people live in acoustic discomfort with no viable ...
  • Increasing the operating range and energy production in Francis turbines by an early detection of the overload instability 

    Zhao, Weiqiang; Presas Batlló, Alexandre; Egusquiza Montagut, Mònica; Valentín Ruiz, David; Egusquiza Estévez, Eduard; Valero Ferrando, Ma. del Carmen (2021-08)
    Article
    Open Access
    With the increasing entrance of wind and solar power for the generation of electricity, more flexibility is demanded to hydropower plants. More flexibility means that hydro turbines have to increase the operating range ...
  • Fluidic oscillators, feedback channel effect under compressible flow conditions 

    Bergadà Granyó, Josep Maria; Baghaei, Masoud; Prakash, Bhanu; Mellibovsky Elstein, Fernando (Multidisciplinary Digital Publishing Institute (MDPI), 2021-09-01)
    Article
    Open Access
    Fluidic oscillators are often used to modify the forces fluid generates on any given bluff body; they can also be used as flow, pressure or acoustic sensors, with each application requiring a particular oscillator ...
  • Simulation of ejector for vacuum generation 

    Macià Cid, Llorenç; Castilla López, Roberto; Gámez Montero, Pedro Javier (Institute of Physics (IOP), 2019-10-31)
    Article
    Open Access
    Supersonic ejectors are used in a wide range of applications such as compression of refrigerants in cooling systems, pumping of volatile fluids, or vacuum generation. The objective of the present paper is to mesh and ...
  • On the wireless microwave sensing of bacterial membrane potential in microfluidic-actuated platforms 

    Jofre Cruanyes, Marc; Jofre Cruanyes, Lluís; Jofre Roca, Lluís (Multidisciplinary Digital Publishing Institute (MDPI), 2021-05-14)
    Article
    Open Access
    The investigation of the electromagnetic properties of biological particles in microfluidic platforms may enable microwave wireless monitoring and interaction with the functional activity of microorganisms. Of high relevance ...
  • Onset of temporal dynamics within a low reynolds-number laminar fluidic oscillator 

    Sarwar, Wasim; Bergadà Granyó, Josep Maria; Mellibovsky Elstein, Fernando (2021-02-18)
    Article
    Restricted access - publisher's policy
    We investigate the onset of temporal dynamics of a fluidic oscillator (FO) in the laminar regime at very low Reynolds number ( where and are the velocity and channel height at inlet, and is the kinematic viscosity of the ...
  • Active flow control optimisation on SD7003 airfoil at pre and post-stall angles of attack using synthetic jets 

    Monshi Tousi, Navid; Coma Company, Martí; Bergadà Granyó, Josep Maria; Pons Prats, Jordi; Mellibovsky Elstein, Fernando; Bugeda Castelltort, Gabriel (2021-06-10)
    Article
    Restricted access - publisher's policy
    The use of Active Flow Control (AFC) technologies to modify the forces acting on streamlined bodies is one of the most active research fields in aerodynamics. For each particular application, finding the optimum set of AFC ...
  • Multi-point-of-view energy loss analysis in a refuse truck hydraulic system 

    Bernè Artieda, Luis Javier; Raush Alviach, Gustavo Adolfo; Gámez Montero, Pedro Javier; Roquet Fernandez de Aramburo, Pere; Codina Macià, Esteban (2021-05-09)
    Article
    Open Access
    In recent years, much research has focused on reducing the power consumption of mobile hydraulic machines due to rising fuel costs, regulations on combustion engine emissions and the need to reduce the size and weight of ...
  • Parameterization, modeling, and validation in real conditions of an external gear pump 

    Torrent Gelmà, Miquel; Gámez Montero, Pedro Javier; Codina Macià, Esteban (2021-03-11)
    Article
    Open Access
    This article presents a methodology for predicting the fluid dynamic behavior of a gear pump over its operating range. Complete pump parameterization was carried out through standard tests, and these parameters were used ...
  • Fiber bragg grating sensors for underwater vibration measurement: potential hydropower applications 

    Torre Rodríguez, Óscar de la; Floris, Ingazio; Sales, Salvador; Escaler Puigoriol, Francesc Xavier (Multidisciplinary Digital Publishing Institute (MDPI), 2021-06-22)
    Article
    Open Access
    The present paper assesses the performance and characteristics of fiber Bragg grating sensors, with a special interest in their applications in hydraulic machinery and systems. The hydropower industry is turning to this ...
  • Multifidelity prediction in wildfire spread simulation: Modeling, uncertainty quantification and sensitivity analysis 

    Miguel Valero, Mario; Jofre Cruanyes, Lluís; Torres Cámara, Ricardo (Elsevier, 2021-07-01)
    Article
    Open Access
    Wildfire behavior predictions typically suffer from significant uncertainty. However, wildfire modeling uncertainties remain largely unquantified in the literature, mainly due to computing constraints. New multifidelity ...
  • Sustainable and low-cost solutions for thermal and acoustic refurbishment of old buildings 

    Neri, Manuela; Levi, Elisa; Piana, Edoardo Alessio; Pujadas Álvarez, Pablo; Cuerva Contreras, Eva; Guardo Zabaleta, Alfredo de Jesús; Pilotelli, Mariagrazia (Institute of Physics (IOP), 2021-04-01)
    Article
    Open Access
    This paper investigates the possibility to realize solutions for buildings thermal and acoustic refurbishment by using end-of-life household materials, such as cardboard, clothes, and egg-boxes. These solutions can be ...

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