Ara es mostren els items 1-20 de 62

    • A first assessment of an aerodynamic barrier layer for filtering airborne hygroscopic particles 

      Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (2021-09-01)
      Article
      Accés obert
      In this work consideration is given to an aerodynamic concept for filtration of small water droplets such as those caused by an infected person when coughs or sneezes and including airborne hygroscopic particle, and with ...
    • A first estimate for thermal osmotic long storage 

      Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (2019-09-15)
      Article
      Accés obert
      In this brief note, a first assessment on the possibilities for thermal osmotic storage using the thermal precipitation of aqueous solutions as alternative to sensible heat storage is performed. In a recent study it was ...
    • A method for selective hornet Vespa Velutina baited traps using a compressed air cannon 

      Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (2019-05-28)
      Report de recerca
      Accés obert
      The efficiency and selectiveness of baited traps to control the invasive hornet Vespa velutina has been often questioned. Recent studies show that capture of Vespa velutina accounted for less than 1% of all captures, ...
    • A short survey for a thermo-ducted kitchen hood wasted heat self-powered 

      Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (ASME International, 2022-08-17)
      Article
      Accés obert
      In this note, a brief survey is given to the possibility for a thermo-ducted kitchen hood where exhaust fan or other mechanical devices are no longer needed, and then, in addition, no sound is generated. The aim of this ...
    • An estimate for thermal osmotic heat storage using precipitation of common salts 

      Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (2019-09-09)
      Article
      Accés obert
      In this brief note, a first assessment on the possibilities for thermal osmotic storage by harnessing the thermal dependence of the solubility of common salts as an alternative method to sensible heat storage is discussed. ...
    • Concerning the role of cigarette smoke particles on aerosolization and transport of COVID-19 through face masks 

      Heras Jiménez, Salvador Augusto de las; Arias Montenegro, Francisco Javier (2021-04-19)
      Report de recerca
      Accés obert
      In this note the role of cigarette smoking in the aerosolization and transport of COVID-19 through face masks is considered. On one hand, it is known that COVID-19 spreads primarily through water droplets generated ...
    • Design and qualification of a supersonic wind tunnel for induced boundary layer transition research 

      Bottini, Henny; Paniagua, Guillermo; Schreivogel, Peter; Sonda, Alberto; Heras Jiménez, Salvador Augusto de las (2015-03-01)
      Article
      Accés obert
      This paper presents the design and the results of the qualification test campaign of a multiple Mach number supersonic wind tunnel designed for induced boundary layer transition. Its characteristics, function, and ...
    • Design of a global maximum power point tracking (GMPPT) for PV array based on precise PV shadow modem 

      García-Gutiérrez, Luis; Bressan, Michael; Jiménez, Fernando; Heras Jiménez, Salvador Augusto de las; Alonso, Corinne (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Comunicació de congrés
      Accés obert
      This paper presents the modeling of a photovoltaic system under complex shading conditions. The approach integrates a complete PV array with each cell modeled separately including shadow coefficients depending on a ...
    • District Management Areas characterisation in water network based on clustering 

      Pérez Magrané, Ramon; Heras Jiménez, Salvador Augusto de las; Aguilar Martín, Josep; Pascual Pañach, Josep; Peralta, Antoni; Landeros, E (2009-08-27)
      Article
      Accés restringit per política de l'editorial
      The division of a network in different sectors is a usual practice in Water Companies. It improves the management of the network in different senses. Sectors have more homogenous characteristics and need specific cares ...
    • Estrategias para el ahorro de aire comprimido 

      Heras Jiménez, Salvador Augusto de las; Moreno Llagostera, Hipòlit; Bouza, Javier (2009-11)
      Article
      Accés restringit per política de l'editorial
      Abordar el objetivo de mejorar el rendimiento de una instalación neumática pasa por minorizar el consumo y reducir las pérdidas de energía. Minorizar el consumo incluye tomar medidas encaminadas a consumir sólo cuando ...
    • Expert system design for sewage treatment plant 

      Bouza Fernández, Javier; Gonzalez Filgueira, Gerardo; Heras Jiménez, Salvador Augusto de las; Vazquez Gonzalez, David (InTech, 2012-04-20)
      Capítol de llibre
      Accés obert
    • Expert system of a sewage treatment plant for wood industry 

      Bouza Fernández, Javier; Gonzalez Filgueira, Gerardo; Heras Jiménez, Salvador Augusto de las; Vazquez Gonzalez, David (IEEE Press and Wiley, 2010)
      Text en actes de congrés
      Accés obert
    • Ferrohydrodynamic capillary convection 

      Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (2018-09-30)
      Article
      Accés restringit per política de l'editorial
      In this work consideration is given to capillary convection on ferrofluids owing to the concentration gradient generated when a non-homogeneous magnetic field is applied. It is known that mass transfer along an interface ...
    • Film boiling heat transfer from micro heat sinks driven by Bénard-Marangoni convection 

      Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (2021-01-26)
      Report de recerca
      Accés obert
      Bénard-Marangoni convection and its significance with regard to film boiling heat transfer from micro heat sinks is discussed. In recent works cooling performance of micro heat sinks has been studied showing that two-phase ...
    • Fluidos, bombas e instalaciones hidráulicas 

      Heras Jiménez, Salvador Augusto de las (Iniciativa Digital Politècnica, 2011)
      Llibre
      Accés obert
      Esta obra describe los principios fundamentales que rigen el funcionamiento de las bombas y las instalaciones hidráulicas más usuales, sus características operativas y los criterios de diseño y selección. El contenido del ...
    • Fluidos, bombas e instalaciones hidráulicas 

      Heras Jiménez, Salvador Augusto de las (Iniciativa Digital Politècnica. Oficina de Publicacions Acadèmiques Digitals de la UPC, 2018)
      Llibre
      Accés obert
      Esta obra describe los principios fundamentales que rigen el funcionamiento de las bombas y las instalaciones hidráulicas más usuales, sus características operativas y los criterios de diseño y selección. El contenido del ...
    • Gas film heat transfer as enhancement strategy for phase change materials 

      Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (Wiley (John Wiley & Sons), 2019-10-16)
      Article
      Accés obert
      In this work, consideration is given to an alternative strategy for phase change materials (PCMs) heat transfer enhancement with particular reference to horizontal plates. In contrast with current approaches in which heat ...
    • Hornet Vespa velutina selective capture by air entrainmen 

      Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (2019-06-09)
      Report de recerca
      Accés obert
      In a previous report, [1], the possibility for selective capture of Vespa velutina by the use of an air cannon was discussed. In this second report, we address the alternative possibility for selective capture of ...
    • Hydro energy harvesting by using compliant surfaces: preliminary experimental assessment 

      Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (2020-03-13)
      Article
      Accés obert
      In this work consideration is given for hydro energy harvesting contained in residual water streams. The idea lies in the bifurcation of the stream into two channels separated by a compliant surface or membrane which, ...
    • Hydrocavitation piezoelectric ocean wave energy harvesting 

      Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (2021-10-01)
      Article
      Accés obert
      The possibility to convert the ocean wave energy into electrical energy by piezoelectric layers has excited the imagination of ocean wave energy conversion designers for decades owing to its relative robustness (no mechanical ...