Recent advances in feature extraction techniques for high-speed flowfields
S Unnikrishnan - Progress in Aerospace Sciences, 2023 - Elsevier
Abstract Space–time scale-resolved diagnostic and computational campaigns routinely
produce high-fidelity multi-disciplinary truth-model quality datasets for complex …
produce high-fidelity multi-disciplinary truth-model quality datasets for complex …
Leading-edge vortex dynamics on plunging airfoils and wings
The vortex dynamics of leading-edge vortices on plunging high-aspect-ratio (AR= 10) wings
and airfoils were investigated by means of volumetric velocity measurements, numerical …
and airfoils were investigated by means of volumetric velocity measurements, numerical …
Characterization of bifurcated dual vortex streets in the wake of an oscillating foil
Wake evolution of an oscillating foil with combined heaving and pitching motion is evaluated
numerically for a range of phase offsets (pairs observed consistently for oscillating foils with …
numerically for a range of phase offsets (pairs observed consistently for oscillating foils with …
Coherence of unsteady wake of periodically plunging airfoil
We present an experimental investigation of the flow structure in the near wake of a
NACA0012 airfoil plunging sinusoidally at a chord Reynolds number of Re= 20 000 and for …
NACA0012 airfoil plunging sinusoidally at a chord Reynolds number of Re= 20 000 and for …
Chordwise flexible aft-tail suppresses jet-switching by reinstating wake periodicity in a flapping foil
The effect of a chordwise flexible aft-tail of a rigid heaving aerofoil on the dynamical
transitions of the trailing-wake is studied here. The two-way coupled fluid–solid dynamics is …
transitions of the trailing-wake is studied here. The two-way coupled fluid–solid dynamics is …
Evolution of wake structures behind oscillating hydrofoils with combined heaving and pitching motion
The wake of an oscillating teardrop hydrofoil with combined heaving and pitching motion
was studied numerically at Reynolds number of 8000 and Strouhal numbers of, the wake …
was studied numerically at Reynolds number of 8000 and Strouhal numbers of, the wake …
Multiobjective optimization for flapping foil hydrodynamics with a multitask and multifidelity approach
We develop a multitask and multifidelity Gaussian process (MMGP) model to accurately
predict and optimize the multiobjective performance of a flapping foil while minimizing the …
predict and optimize the multiobjective performance of a flapping foil while minimizing the …
Three-dimensionality of leading-edge vortices on high aspect ratio plunging wings
To investigate the effect of sweep on the leading-edge vortex of high aspect ratio plunging
wings, this article presents force, bending moment, and volumetric velocity measurements …
wings, this article presents force, bending moment, and volumetric velocity measurements …
On the association of kinematics, spanwise instability and growth of secondary vortex structures in the wake of oscillating foils
S Verma, MSU Khalid… - Proceedings of the …, 2023 - royalsocietypublishing.org
Three-dimensional wake of an oscillating foil with combined heaving and pitching motion is
numerically evaluated at a range of chord-based Strouhal number (0.32≤ S tc≤ 0.56) and …
numerically evaluated at a range of chord-based Strouhal number (0.32≤ S tc≤ 0.56) and …
Influence of kinematics on the growth of secondary wake structures behind oscillating foils
The wake of an oscillating hydrofoil in combined heaving and pitching motion is numerically
evaluated at a range of phase offset (90∘≤ ϕ≤ 27 0∘) and chord based Strouhal number …
evaluated at a range of phase offset (90∘≤ ϕ≤ 27 0∘) and chord based Strouhal number …