Persona:
Berlanga Cañete, Félix Antonio

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felixberlanga@ind.uned.es
ORCID
0000-0001-5617-389X
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Apellidos
Berlanga Cañete
Nombre de pila
Félix Antonio
Nombre

Filtros

2017 - 20182
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Autor: Castro, F. ×

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Mostrando 1 - 2 de 2
  • Miniatura
    Publicación
    Experimental evaluation of thermal comfort, ventilation performance indices and exposure to airborne contaminant in an airborne infection isolation room equipped with a displacement air distribution system
    (Elsevier, 2017-11-20) Berlanga Cañete, Félix Antonio; Ruiz de Adana, M.; Olmedo, Inés; Villafruela, José Manuel; San José, J. F.; Castro, F.; https://orcid.org/0000-0003-1527-658X; https://orcid.org/0000-0003-0491-4371; https://orcid.org/0000-0003-0491-4371
    This study is focused on determining the convenience of the use of displacement ventilation strategy in airborne infection isolation rooms (AIIRs). Thermal comfort of the occupants of the chamber, ventilation and contaminant performance indices and the exposure of the health worker (HW) to the contaminants exhaled by the confined patient (P) are considered in a typical AIIR set up with two thermal breathing manikins and a radiant wall simulating an external wall. Three air renewal rates are tested to determine their influence in the studied variables. Results show that ventilation performance, contaminants and general comfort indices for both manikins perform well in the cases studied. Lockup phenomenon associated with displacement ventilation occurs above P but it has a low influence on contaminant exposure of HW because of the influence of the convective boundary layer of HW. The influence of the radiant wall could lock the air path near the exhaust grille.
  • Miniatura
    Publicación
    Experimental assessment of different mixing air ventilation systems on ventilation performance and exposure to exhaled contaminants in hospital rooms
    (Elsevier, 2018-08-23) Berlanga Cañete, Félix Antonio; Olmedo, Inés; Ruiz de Adana, M.; Villafruela, José Manuel; San José, J. F.; Castro, F.; https://orcid.org/0000-0003-1527-658X; https://orcid.org/0000-0002-7890-7505; https://orcid.org/0000-0003-0491-4371
    This study evaluates the convenience of the use of four different mixing ventilation configurations in individual hospital rooms (IHR) based on ventilation performance and health workers (HW) exposure to the contaminants released by a confined patient (CP). Two supply configurations: grilles in the upper part of a wall (G) and swirl ceiling diffusers (S), combined with two different exhaust grilles positions in the opposite wall: upper part (U) and lower part (D) are tested using typical IHR set up. Occupants are represented by thermal breathing manikins, CP lies on a bed while HW stands close to it. Three air renewal rates are tested to determine their influence in the studied variables, 6, 9 and 12 ACH covering the whole range of ventilation requirements of such spaces. The experimental conditions considering the thermal comfort of the occupants are taken into account. Different ventilation configurations create different air distribution patterns inside the room. G configurations lead to high HW transient exposure values while S maintain low values that decrease when ACH is increased, so this second configuration is preferred for IHRs. Results are also compared with a displacement ventilation (DV) study highlighting the convenience of this strategy for IHRs.