• LES-based Study of the Roughness Effects on the Wake of a Circular Cylinder from Subcritical to Transcritical Reynolds Numbers 

    Rodriguez, Ivette; Lehmkuhl, Oriol; Piomelli, Ugo; Chiva, Jorge; Borrell, Ricard; Oliva, Assensi (Springer Verlag, 2017-12)
    Article
    Accés obert
    This paper investigates the effects of surface roughness on the flow past a circular cylinder at subcritical to transcritical Reynolds numbers. Large eddy simulations of the flow for sand grain roughness of size k/D = 0.02 ...
  • LES-based study of the roughness effects on the wake of a circular cylinder from subcritical to transcritical Reynolds numbers 

    Rodríguez Pérez, Ivette María; Lehmkuhl Barba, Oriol; Piomelli, Ugo; Chiva Segura, Jorge; Borrell Pol, Ricard; Oliva Llena, Asensio (2017-10-27)
    Article
    Accés obert
    This paper investigates the effects of surface roughness on the flow past a circular cylinder at subcritical to transcritical Reynolds numbers. Large eddy simulations of the flow for sand grain roughness of size k/D = 0.02 ...
  • Numerical simulation of roughness effects on the flow past a circular cylinder 

    Rodríguez Pérez, Ivette María; Lehmkuhl, Oriol; Piomelli, Ugo; Chiva Segura, Jorge; Borrell, Ricard; Oliva Llena, Asensio (Institute of Physics (IOP), 2016)
    Text en actes de congrés
    Accés obert
    In the present work large eddy simulations of the flow past a rough cylinder are performed at a Reynolds number of Re = 4.2 × 105 and an equivalent sand-grain surface roughness height ks = 0.02D. In order to determine the ...
  • The effects of roughness on the boundary layer development of a circular cylinder 

    Rodríguez Pérez, Ivette María; Lehmkuhl Barba, Oriol; Piomelli, Ugo; Chiva Segura, Jorge; Borrell, Ricard; Oliva Llena, Asensio (European Research Community on Flow, Turbulence, and Conbustion (ERCOFTAC), 2017)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    This paper focuses on the effects of surface roughness in the flow past a circular cylinder at different Reynolds numbers. Large eddy simulations of the flow, from subcritical to transcritical Reynolds numbers and at ...