Exploració per autor "Jofre Cruanyes, Lluís"
Ara es mostren els items 61-76 de 76
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Rapid aerodynamic shape optimization under uncertainty using a stochastic gradient approach
(2022-06-30)
Article
Accés obertA common approach in aerodynamic design is to optimize a performance function—provided some constraints—defined by a choice of an aerodynamic model at nominal operating conditions. Practical experience indicates that such ... -
RHEA: an open-source Reproducible Hybrid-architecture flow solver Engineered for Academia
(The Open Journal, 2023-01-13)
Article
Accés obertThe study of complex multiscale flows (Groen et al., 2014), like for example the motion of small-scale turbulent eddies over large aerodynamic structures (Jofre & Doostan, 2022), microconfined high-pressure supercritical ... -
Scalar source tracking in turbulent environments using deep reinforcement learning
(2018)
Report de recerca
Accés obert -
Small-scale flow topologies in decaying isotropic turbulence laden with finite-size droplets
(2019)
Article
Accés obertThe topology of the fine-scale motions in decaying isotropic turbulence laden with droplets of super-Kolmogorov size is investigated using results from direct numerical simulations. The invariants of the velocity-gradient, ... -
Soleil-X: turbulence, particles, and radiation in the Regent programming language
(2019)
Text en actes de congrés
Accés obertThe Predictive Science Academic Alliance Program (PSAAP) II at Stanford University is developing an exascale-ready multi-physics solver to investigate particle-laden turbulent flows in a radiation environment for solar ... -
Suitability of immersed-boundary methods for high-fidelity computational aeroacoustics
(2023)
Text en actes de congrés
Accés obertThis work presents a preliminary assessment of the suitability of the immersed boundary method (IBM) for high-fidelity direct sound computations. A ghost-cell IBM is implemented in conjunction with a recently developed ... -
Superheterodyne microwave system for the detection of bioparticles with coplanar electrodes on a microfluidic platform
(2022-04-08)
Article
Accés obertThe combination of microwave and microfluidic technologies has the potential to enable wireless monitoring and interaction with bioparticles, facilitating, in this way, the exploration of a still largely uncharted territory ... -
Tensor-based analysis of the flow topology in droplet-laden homogeneous isotropic turbulence
(2018)
Report de recerca
Accés obert -
The suitability of hybrid meshes for low-Mach large-eddy simulation
(2018)
Report de recerca
Accés obert -
Thermodynamics-informed neural network for recovering supercritical fluid thermophysical information from turbulent velocity data
(Elsevier, 2023-11)
Article
Accés obertRecent research has highlighted the potential of supercritical fluids under high-pressure transcritical conditions to achieve microconfined turbulence as a result of the thermophysical properties they exhibit in the vicinity ... -
Thermophysical analysis of microconfined turbulent flow regimes at supercritical fluid conditions in heat transfer applications
(2022-08-12)
Article
Accés obertThe technological opportunities enabled by understanding and controlling microscale systems have not yet been capitalized to disruptively improve energy processes. The main limitation corresponds to the laminar flows ... -
Time-dependent 2-D model for transport of species analysis in electrodialysis: concentration profiles and fluxes
(2023-07-05)
Article
Accés restringit per política de l'editorialElectrodialysis (ED) is a separation process that uses an electric field to selectively transport ions through ion exchange membranes. To further advance the technology and bring it to an industrial scale, modeling ED and ... -
Transcritical diffuse-interface hydrodynamics of propellants in high-pressure combustors of chemical propulsion systems
(2021-01-01)
Article
Accés obertRocket engines and high-power new generations of gas-turbine jet engines and diesel engines oftentimes involve the injection of one or more reactants at subcritical temperatures into combustor environments at high pressures, ... -
Uncertainty quantification in large eddy simulations of a rich-dome aviation gas turbine
(2017)
Text en actes de congrés
Accés restringit per política de l'editorialIn this work, a rich-dome aviation combustor operating over a range of high-power conditions is investigated using multiple Large Eddy Simulations (LES). The LES flow solutions are obtained with CharLES, a massively-parallel ... -
Versatile sequential sampling algorithm using kernel density estimation
(Elsevier, 2020-07-01)
Article
Accés obertUnderstanding the physical mechanisms governing scientific and engineering systems requires performing experiments. Therefore, the construction of the Design of Experiments (DoE) is paramount for the successful inference ... -
VOF/Navier-Stokes implementation on 3D unstructured staggered meshes. Application to the Richtmyer-Meshkov instability
(2011)
Comunicació de congrés
Accés restringit per política de l'editorialThe numerical simulation of interfacial and free surface flows is a vast and interesting topic in the areas of engineering and fundamental physics, such as the study of liquid-gas interfaces, formation of droplets, bubbles ...
