Browsing by Author "Gil-Prieto, Daniel"

Browsing by Author "Gil-Prieto, Daniel"

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  • Assessment methods for unsteady flow distortion in aero-engine intakes 
    Gil-Prieto, Daniel; MacManus, David G.; Zachos, Pavlos K.; Bautista, Abian (Elsevier, 2017-10-27)
    Peak events of unsteady total pressure and swirl distortion generated within S-duct intakes can affect the engine stability, even when within acceptable mean distortion levels. Even though the distortion descriptors have ...
  • Complex aero-engine intake ducts and dynamic distortion 
    MacManus, David G.; Chiereghin, Nicola; Gil-Prieto, Daniel; Zachos, Pavlos K. (AIAA, 2015-06-19)
    For many embedded and partially-embedded engine systems, the complexity of the flow field associated with convoluted intakes presents an area of notable research challenges. The convolution of the intake duct introduces ...
  • Complex aero-engine intake ducts and dynamic distortion 
    MacManus, David G.; Chiereghin, Nicola; Gil-Prieto, Daniel; Zachos, Pavlos K. (American Institute of Aeronautics and Astronautics, 2017-03-29)
    For many embedded engine systems, the intake duct geometry introduces flow distortion and unsteadiness, which must be understood when designing the turbomachinery components. The aim of this work is to investigate the ...
  • Convoluted intake distortion measurements using stereo particle image velocimetry 
    Gil-Prieto, Daniel; MacManus, David G.; Zachos, Pavlos K.; Tanguy, Geoffrey; Menzies, Kevin R. (2017-04-18)
    The unsteady distorted flowfields generated within convoluted aeroengine intakes can compromise the engine performance and operability. Therefore, there is a need for a better understanding of the complex characteristics ...
  • Delayed detached-eddy simulation and particle image velocimetry investigation of S-Duct flow distortion 
    Gil-Prieto, Daniel; MacManus, David G.; Zachos, Pavlos K.; Tanguy, Geoffrey; Wilson, François; Chiereghin, Nicola (American Institute of Aeronautics and Astronautics, 2017-03-31)
    The dynamic flow distortion generated within convoluted aeroengine intakes can affect the performance and operability of the engine. There is a need for a better understanding of the main flow mechanisms that promote flow ...
  • Dynamic flow distortion investigation in an S-duct using DDES and SPIV data 
    Gil-Prieto, Daniel; MacManus, David G.; Zachos, Pavlos K.; Tanguy, Geoffrey; Wilson, Francois; Chiereghin, Nicola (American Institute of Aeronautics and Astronautics, 2016-06-30)
    The dynamic flow distortion generated within convoluted aero-engine intakes can affect the performance and operability of the engine. There is a need for a better understanding of the main flow mechanisms which promote ...
  • Influence of upstream total pressure profiles on S-duct intake flow distortion 
    McLelland, Grant; MacManus, David G.; Zachos, Pavlos K.; Gil-Prieto, Daniel; Migliorini, Matteo (AIAA, 2020-04-15)
    For some embedded engine arrangements, the nature of the inlet distortion is influenced by the boundary layer characteristics at the inlet plane of the intake. This research presents the first quantitative assessment on ...
  • Passive flow control study in a convoluted intake using Stereo Particle Image Velocimetry 
    Tanguy, Geoffrey; MacManus, David G.; Zachos, Pavlos K.; Gil-Prieto, Daniel; Garnier, Eric (American Institute of Aeronautics and Astronautics, 2016-08-31)
    The ability of vortex generators (VG) to reduce the unsteady distortion at the exit plane of an S-duct (AIP) is investigated. The 3 components of the velocity at the AIP were measured using a Stereo Particle Velocimetry ...
  • Passive flow control study in an S-duct intake using Stereo Particle Image Velocimetry 
    Tanguy, Geoffrey; MacManus, David G.; Zachos, Pavlos K.; Gil-Prieto, Daniel; Garnier, Eric (American Institute of Aeronautics and Astronautics, 2017-05-08)
    The ability of vortex generators to reduce the unsteady distortion at the exit plane of an S duct is investigated. The three components of the velocity at the aerodynamic interface plane were measured using a stereo particle ...
  • Pressure flow field and inlet flow distortion metrics reconstruction from velocity data 
    Frascella, Michele; Zachos, Pavlos K.; Gil-Prieto, Daniel; MacManus, David G. (American Institute of Aeronautics and Astronautics, 2016-06-30)
    Complex engine intakes are susceptible to unsteady flow distortions that may compromise the propulsion system operability. Hence, the need for high spatial and temporal resolution flow information is essential to aid the ...
  • Pressure flowfield and inlet flow distortion metrics reconstruction from velocity data 
    Zachos, Pavlos K.; Frascella, Michele; MacManus, David G.; Gil-Prieto, Daniel (AIAA, 2017-06-26)
    Complex engine intakes are susceptible to unsteady flow distortions that may compromise the propulsion system operability. Hence, the need for high spatial and temporal resolution flow information is essential to aid the ...
  • Unsteady characteristics of S-duct intake flow distortion 
    Gil-Prieto, Daniel; Zachos, Pavlos K.; MacManus, David G.; McLelland, Grant (Elsevier, 2018-10-18)
    The unsteady distorted flow fields generated within convoluted intakes can have a detrimental effect on the stability of an aero-engine. The frequency signature in the distorted flow field is of key importance to the ...