Now showing items 1-20 of 50

    • A first estimate for thermal osmotic long storage 

      Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (2019-09-15)
      Article
      Restricted access - publisher's policy
      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)
      External research report
      Open Access
      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, ...
    • 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
      Open Access
      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. ...
    • 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
      Open Access
      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)
      Conference lecture
      Open Access
      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
      Restricted access - publisher's policy
      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
      Restricted access - publisher's policy
      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)
      Part of book or chapter of book
      Open Access
    • 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)
      Conference report
      Open Access
    • Ferrohydrodynamic capillary convection 

      Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (2018-09-30)
      Article
      Restricted access - publisher's policy
      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)
      External research report
      Open Access
      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)
      Book
      Open Access
      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)
      Book
      Restricted access to the UPC academic community
      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
      Open Access
      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)
      External research report
      Open Access
      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
      Open Access
      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, ...
    • Hydrokinetic energy conversion using compliant surfaces 

      Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (2019-05-21)
      Article
      Open Access
      In this work, consideration is given for a novel technology based on the use of compliant surfaces (membranes) for hydrokinetic energy conversion (HEC) from residual waters where the use of traditional turbines is either ...
    • INSTRUMENTACIO,CONTROL I MANTENIMENT D'EQUIPS I INSTAL. (Examen 1r Quadr.) 

      Heras Jiménez, Salvador Augusto de las (Universitat Politècnica de Catalunya, 2002-10-30)
      Exam
      Restricted access to the UPC academic community
    • INSTRUMENTACIÓ (Examen 1r Quadr.) 

      Heras Jiménez, Salvador Augusto de las (Universitat Politècnica de Catalunya, 2004-11-01)
      Exam
      Restricted access to the UPC academic community
    • Instrumentació (Examen 1r Quadr.) 

      Heras Jiménez, Salvador Augusto de las (Universitat Politècnica de Catalunya, 2008-10-31)
      Exam
      Restricted access to the UPC academic community