Recent Submissions

  • 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)
    Conference lecture
    Open Access
    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)
    Conference report
    Open Access
    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)
    Conference report
    Open Access
    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. ...
  • Design and smart control of sensors for optimal performance: a application to wind sensing in Mars 

    Domínguez Pumar, Manuel; Kowalski, Lukasz; Jiménez Serres, Vicente; Pons Nin, Joan; Bermejo Broto, Sandra; Rodríguez Pérez, Ivette María; Soria Guerrero, Manel (2019)
    Conference report
    Open Access
    Sensor performance in terms of time response and sensitivity can be dramatically enhanced by operating sensors under what may be called a “constant state operation”. This means that any change in the sensor due to external ...
  • Active flow control of an aircraft in full stall 

    Lehmkuhl Barba, Oriol; Rodríguez Pérez, Ivette María; Lozano-Durán, Adrian (2021)
    Conference report
    Open Access
    The aerodynamic performance of active flow control on wings using synthetic jets with zero net-mass flow is investigated. The study is conducted via wall-modeled large-eddy simulations using a finiteelement-based solver. ...
  • DISCOVERER: Final results and outcomes 

    Roberts, Peter C.E; Crisp, Nicholas H.; Edmonson, Steve; Arcos, Antonio; Herdrich, Georg; Skalden, Jonathan; Rodríguez Donaire, Silvia; García-Almiñana, Daniel; Macario Rojas, Alejandro; Smith, Katharine L.; Sureda Anfres, Miquel (International Astronautical Federation, 2022)
    Conference report
    Restricted access - publisher's policy
    The DISCOVERER project commenced in 2017 with the aim to advance the development of key technologies to enable the commercially viable, sustained operation of satellites in very low Earth orbits (VLEO). Funded by the ...
  • Platform and system design study of a VLEO satellite platform using the IRS RF Helicon-based Plasma Thruster 

    Herdrich, Georg; Papavramidis, Konstantinos; Maier, Philipp; García-Almiñana, Daniel; Rodríguez Donaire, Silvia; Sureda Anfres, Miquel (International Astronautical Federation, 2022)
    Conference report
    Restricted access - publisher's policy
    To achieve a feasible lifetime of several years, most satellites are deployed in orbits higher than 400 km. Drag of residual atmosphere causes a slow orbit decay, resulting in the deorbit of the spacecraft. However, e.g. ...
  • Very low Earth orbit constellations for Earth observation 

    Crisp, Nicholas H.; McGrath, Ciara N.; Roberts, Peter C.E; García-Almiñana, Daniel; Rodríguez Donaire, Silvia; Sureda Anfres, Miquel (International Astronautical Federation, 2022)
    Conference report
    Restricted access - publisher's policy
    Very Low Earth Orbits (VLEOs), those below 450 km, present a number of benefits and challenges for the development and operation of Earth observation spacecraft at both the system and mission level. This paper examines the ...
  • Experimental Results from the Satellite for Orbital Aerodynamics Research (SOAR) Mission 

    Crisp, Nicholas H.; Macario Rojas, Alejandro; Roberts, Peter C.E; García-Almiñana, Daniel; Sureda Anfres, Miquel; Rodríguez Donaire, Silvia (International Astronautical Federation, 2022)
    Conference report
    Restricted access - publisher's policy
    The Satellite for Orbital Aerodynamics Research (SOAR) is a 3U CubeSat that has been designed to investigate the aerodynamic performance of different materials and perform demonstrations of aerodynamic attitude control ...
  • 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)
    Conference report
    Restricted access - publisher's policy
    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 ...
  • Launch, Operations, and First Experimental Results of the Satellite for Orbital Aerodynamics Research (SOAR) 

    Crisp, Nicholas H.; Macario Rojas, Alejandro; Roberts, Peter C.E; Edmonson, Steve; Haigh, Sarah J.; Holmes, Brandon E.A.; Livadiotti, Sabrina; Oiko, Vitor; Smith, Katharine L.; Sinpetru, Luciana A.; García-Almiñana, Daniel; Rodríguez Donaire, Silvia; Sureda Anfres, Miquel (International Astronautical Federation, 2021)
    Conference report
    Restricted access - publisher's policy
    The Satellite for Orbital Aerodynamics Research (SOAR) is a 3U CubeSat that has been designed to investigate the aerodynamic performance of different materials at low orbital altitudes. The spacecraft has been developed ...
  • Early Results from the DISCOVERER Project 

    Roberts, Peter C.E; Crisp, Nicholas H.; Oiko, Vitor; Edmonson, Steve; Romano, Francesco; Rodríguez Donaire, Silvia; García-Almiñana, Daniel; Haigh, Sarah J.; Holmes, Brandon E.A.; Livadiotti, Sabrina; Sureda Anfres, Miquel (International Astronautical Federation, 2021)
    Conference report
    Restricted access - publisher's policy
    The use of very low Earth orbits (VLEO), for communications and remote sensing satellites, offers a number of significant payload and platform benefits. Imaging from these altitudes allows higher resolution or smaller ...

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