• Heat and moisture insulation by means of air curtains: application to refrigerated chambers 

      Giráldez García, Héctor; Pérez Segarra, Carlos David; Oliet Casasayas, Carles; Oliva Llena, Asensio (Elsevier, 2016-08)
      Article
      Accés obert
      The present study is devoted to the determination of the efficiency of air curtain units (ACUs) applied to heat and moisture insulation of refrigerated chambers. A detailed study of the fluid dynamics and heat and mass ...
    • Improved semi-analytical method for air curtains prediction 

      Giráldez García, Héctor; Pérez Segarra, Carlos David; Rodríguez Pérez, Ivette María; Oliva Llena, Asensio (2013-11)
      Article
      Accés restringit per política de l'editorial
      The present study is devoted to the analysis and prediction of the efficiency of air curtains. The attention is focused on improving existing semi-analytical methods with the information from CFD simulations and experimental ...
    • Numerical study and experimental optimization of air curtains 

      Giráldez García, Héctor (Universitat Politècnica de Catalunya, 2015-04-17)
      Tesi
      Accés obert
      The main objective of the present thesis is to study and optimize the sealing efficiency of air curtains. Therefore, the phenomenology of the breakthrough and the parameters which affect it has been studied. However, ...
    • Optimization of the thermal and fluid dynamic behaviour of air curtains: analysis of the plenum by means of LES 

      Giráldez García, Héctor; Pérez Segarra, Carlos David; Rodríguez Pérez, Ivette María; Oliva Llena, Asensio (2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The improvement procedure of an air curtain unit (ACU) is described in the present study. The procedure is based on Large Eddy Simulations (LES) and Hot Wire Anemometry (HWA) measurements. Initially, the flow provided by ...