Ara es mostren els items 1-12 de 73

    • Exploring the artificial compressibility method in high-pressure transcritical fluids 

      Abdellatif, Ahmed Mohammed Abdelfattah; Ventosa Molina, Jordi; Grau Barceló, Joan; Torres Cámara, Ricardo; Jofre Cruanyes, Lluís (International Centre for Numerical Methods in Engineering (CIMNE), 2023)
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      This work presents the investigation of a solution to accelerate computations of high-pressure transcritical fluids at low-Mach number regimes based on the artificial compressibility method. The highly adaptable nature of ...
    • DNS and POD analysis of separated flow in a three-dimensional diffuser 

      Miró Jané, Arnau; Eiximeno Franch, Benet; Rodríguez Pérez, Ivette María; Lehmkuhl Barba, Oriol (Springer, 2023)
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      A DNS of a three dimensional diffuser has been performed with the in-house solver Alya. The resulting dataset presents a good agreement with existing numerical and experimental data, even without smoothing of the sharp ...
    • Towards Data Driven Models for the Automotive Industry 

      Eiximeno Franch, Benet; Miró Jané, Arnau; Rodríguez Pérez, Ivette María; Lehmkuhl Barba, Oriol (European Research Community on Flow, Turbulence, and Conbustion (ERCOFTAC), 2023)
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      This study employs proper orthogonal decomposition to identify flow patterns linked to yaw angle variations in the Windsor body. A reduced order model is proposed to accurately predict variations in back pres- sure at ...
    • Estrategias de monitorización de la electrólisis de hidrógeno en electrolizadores PEM 

      Moreno García-Moreno, Jorge; Mas de les Valls Ortiz, Elisabet; Capdevila Paramio, Roser (Publicacions de la Universitat Jaume I, 2023)
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    • Compressibility effects on the wake dynamics of a circular cylinder 

      Rodríguez Pérez, Ivette María; Eiximeno Franch, Benet; Gasparino, Lucas; Tur Monge, Carlos; Muela Castro, Jordi; Lehmkuhl Barba, Oriol (European Research Community on Flow, Turbulence, and Conbustion (ERCOFTAC), 2023)
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      Compressible large-eddy simulations of the flow past a circular cylinder at Reynolds numbers Re = 104 and Mach numbers in the range M = 0.2-1.2 are performed. Changes in the wake dynamics, coherent structures and flow ...
    • Intermediate wake characteristics behind a circular cylinder 

      Ventosa Molina, Jordi; Rodríguez Pérez, Ivette María; Lehmkuhl Barba, Oriol; Fröhlich, Jochen (European Research Community on Flow, Turbulence, and Conbustion (ERCOFTAC), 2023)
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      The intermediate wake of a circular cylinder at Reynolds number 3300 is studied by means of highly resolved large eddy simulations. The domain spans 100 cylinder diameters D downstream of the cylinder. The intermediate ...
    • Wall resolved large eddy simulations of a three-element high-lift airfoil at different angles of attack 

      Montalà Sales, Ricard; Lehmkuhl Barba, Oriol; Rodríguez Pérez, Ivette María (European Research Community on Flow, Turbulence, and Conbustion (ERCOFTAC), 2023)
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      A parametric study of the flow past the 30P30N three-element high-lift wing is conducted by changing the angle of attack (α = 5, 9 and 23◦) at a constant Reynolds number (Rec = 750, 000). Computational predictions are ...
    • Large-scale coherent structures in an asymmetrically heated channel flow 

      García Berenguer, Marina; Silva, Lucas Gasparino Ferreira da; Lehmkuhl Barba, Oriol; Rodríguez Pérez, Ivette María (European Research Community on Flow, Turbulence, and Conbustion (ERCOFTAC), 2023)
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      A compressible direct numerical simulation (DNS) has been conducted to analyze the behavior of low-speed flows submitted to a strong temperature gradient in a fully developed and asymmetrically heated turbulent channel ...
    • Temperature gradient effects on a turbulent channel flow at Ret=400 

      García Berenguer, Marina; Gasparino, Lucas; Lehmkuhl Barba, Oriol; Rodríguez Pérez, Ivette María (Begell House, 2023)
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      A direct numerical simulation (DNS) of an asymmetrically heated turbulent channel flow has been performed to study the temperature gradient effects on the turbulence. The case has been set as a compressible flow with ...
    • Numerical study of the flow past a three-element high-lift airfoil at different angles of attack 

      Montalà Sales, Ricard; Lehmkuhl Barba, Oriol; Rodríguez Pérez, Ivette María (2023)
      Comunicació de congrés
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      A parametric study of the 30p30n three-element high-lift airfoil is conducted by changing the angle of attack at α = 5, 9 and 23◦ at a constant Reynolds number of Rec = 750, 000. Computational predictions are performed ...
    • Turbulent statistics and coherent structures in an asymmetrically heated channel flow 

      García Berenguer, Marina; Gasparino, Lucas; Lehmkuhl Barba, Oriol; Rodríguez Pérez, Ivette María (2023)
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      A compressible direct numerical simulation (DNS) has been conducted to analyze the behavior of a fully developed turbulent channel flow. The problem has been set at mean friction Reynolds number Ret m = 400 submitted to a ...
    • CFD studies and experimental validation of the convective heat transfer coefficient in non-fully developed flows applied to conventional geometries used in particle accelerators 

      Rabasa, Mariona; Raush Alviach, Gustavo Adolfo; Quispe, Marcos; Colldelram, Carles; Casas, Joan; Capdevila Paramio, Roser; Sanchez, Marc; Bello, Hugo (Joint Accelerator Conferences Website (JACoW), 2023)
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      In the field of Particle Accelerators engineering, the design of the cooling channels of its components has been extensively based on experimental correlations for the calculation of convective heat transfer coefficients. ...