Search Results - "Bergada, M."

Fluidic Oscillators, Feedback Channel Effect under Compressible Flow Conditions by Bergadà, Josep M., Baghaei, Masoud, Prakash, Bhanu, Mellibovsky, Fernando

“…Fluidic oscillators are often used to modify the forces fluid generates on any given bluff body; they can also be used as flow, pressure or acoustic sensors,…”
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Flow Control, Active and Passive Applications by Bergadà, Josep M., Bugeda, Gabriel

“…The Boundary Layer (BL) dynamic performance greatly affects the forces acting on any Bluff body [...]…”
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Novel Fluidic Oscillator Evaluation Considering Dimensional Modifications by Karimzadegan, Kavoos, Bergada, Josep M.

“…Although flow mixing and cooling can be greatly enhanced when considering the use of fluidic oscillators (FOs), they are more commonly employed in active flow…”
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Onset of temporal dynamics within a low reynolds-number laminar fluidic oscillator by Sarwar, Wasim, Bergadà, Josep M., Mellibovsky, Fernando

“…•The onset of time dynamics inside the laminar fluidic oscillator is governed by a supercritical Hopf bifurcation.•The inception of time dynamics is…”
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Analysis of a Novel Fluidic Oscillator under Several Dimensional Modifications by Karimzadegan, Kavoos, Mirzaei, Masoud, Bergada, Josep M.

“…To activate the boundary layer in Active Flow Control (AFC) applications, the use of pulsating flow has notable energy advantages over constant blowing/suction…”
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Fluidic Oscillators, the Effect of Some Design Modifications by Baghaei, Masoud, Bergada, Josep M.

“…The number of applications where fluidic oscillators are expected to be used in the future, is raising sharply, then their ability of interacting with the…”
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Lid Driven Triangular and Trapezoidal Cavity Flow: Vortical Structures for Steady Solutions and Hopf Bifurcations by An, Bo, Guo, Shipeng, Bergadà, Josep M.

“…A numerical study of two dimensional lid-driven triangular and trapezoidal cavity flow is performed via using the lattice Boltzmann method (LBM) for steady…”
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Experimental study of the internal flow structures inside a fluidic oscillator by Bobusch, B. C., Woszidlo, R., Bergada, J. M., Nayeri, C. N., Paschereit, C. O.

“…The internal flow characteristics of a fluidic oscillator were investigated experimentally. Particle image velocimetry and time-resolved pressure measurements…”
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Aerodynamic Efficiency Improvement on a NACA-8412 Airfoil via Active Flow Control Implementation by Couto, Nil, Bergada, Josep M.

“…The present paper introduces a parametric optimization of several Active Flow Control (AFC) parameters applied to a NACA-8412 airfoil at a single post-stall…”
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Aerodynamic Study of the NASA’s X-43A Hypersonic Aircraft by Navó, Àlex, Bergada, Josep M.

“…A 2D aerodynamic study of the NASA’s X-43A hypersonic aircraft is developed using two different approaches. The first one is analytical and based on the…”
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The effect of piston grooves performance in an axial piston pumps via CFD analysis by Kumar, S., Bergada, J.M.

“…In the design of high pressure piston pumps/motors, some manufacturers use pistons which have grooves being cut along the piston length, while others do not…”
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Effect of rotor spinning transfer channel modification on fiber orientation and yarn properties by Lin, Huiting, Akankwasa, Nicholus Tayari, Bergadà, Josep M, Wang, Jun

“…The vortices are generated at the conventional transfer channel, having adverse effects on fiber configuration. In a former research, a conventional transfer…”
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A New Hybrid Optimization Method, Application to a Single Objective Active Flow Control Test Case by Coma, Martí, Tousi, Navid Monshi, Pons-Prats, Jordi, Bugeda, Gabriel, Bergada, Josep M.

“…Genetic Algorithms (GA) are useful optimization methods for exploration of the search space, but they usually have slowness problems to exploit and converge to…”
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Discharge Coefficients of a Heavy Suspension Nozzle by Rio-Cano, Carlos, Tousi, Navid M., Bergada, Josep M., Comas, Angel

“…The suspensions used in heavy vehicles often consist of several oil and two gas chambers. In order to perform an analytical study of the mass flow transferred…”
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Axial piston pump grooved slipper analysis by CFD simulation of three-dimensional NVS equation in cylindrical coordinates by Kumar, S., Bergada, J.M., Watton, J.

“…This paper presents static and dynamic characteristics of a piston pump slipper with a groove. Three-dimensional Navier Stokes equations in cylindrical…”
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Airplane Vortices Evolution Near Ground by Duró, Josep M., Bergadà, Josep M.

“…Airport traffic around the world has sharply increased over the years; as a result, airports need to be enlarged and the landing or taking off times between…”
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Radiometric Noise Characterization of the 183-664 GHz Front-End Receivers for the MetOp-SG Ice Cloud Imager instrument - prospects for future missions by Thomas, B., Sonnabend, G., Wehres, N., Brandt, M., Trasatti, M., Andres-Beivide, A., Bergada, M., Martinez, J., Robustillo, P., Gotsmann, M., Klein, U.

“…The 183-664 GHz heterodyne Schottky and MMIC based receivers for the Ice Cloud Instrument onboard MetOp-SG have been developed and tested against the most…”
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Advancing the Analysis of Past Human/Plant Relationships: Methodological Improvements of Artefact Pollen Washes by Miras, Y., Ejarque, A., Barbier‐Pain, D., Corbineau, R., Ledger, P. M., Riera Mora, S., Garreau, A., Voldoire, O., Allain, E., Mangado Llach, J., Sánchez De La Torre, M., Martínez‐Grau, H., Bergadá, M. M., Smith, S. J.

“…The ‘pollen washes’ technique, based on the analysis of the pollen embedded in the porous surface of archaeological artefacts, is developed for investigating…”
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Prevalence of smoking in a psychiatric hospital and its relationship with respiratory symptoms and the prevalence of COPD by Lores, Luis, Monje, Alfonso, Bergada, Manel, Arellano, Elisabeth, Rodríguez-Larrea, Julian, Miravitlles, Marc

“…Psychiatric patients present an elevated rate of smoking, and the smoking habit is related to a high morbidity and mortality in this collective. The aim of…”
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Palaeoenvironmental and cultural dynamics of the coast of Málaga (Andalusia, Spain) during the Upper Pleistocene and early Holocene by CORTESSANCHEZ, M, MORALESMUNIZ, A, SIMONVALLEJO, M, BERGADAZAPATA, M, DELGADOHUERTAS, A, LOPEZGARCIA, P, LOPEZSAEZ, J, LOZANOFRANCISCO, M, RIQUELMECANTAL, J, ROSELLOIZQUIERDO, E

“…The impact of late Upper Pleistocene climate change in the western Mediterranean region has been mainly documented through marine records. Archaeological and…”
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