Experimental flow control investigation over suction surface of turbine blade with local surface passive oscillation
Impact of the local flexible membrane (LFM) on aerodynamic phenomena including the
formation of a laminar separation bubble (LSB) and transition to turbulence was …
formation of a laminar separation bubble (LSB) and transition to turbulence was …
Altering the wake dynamics of a circular cylinder with harmonic forcing
The time-averaged velocity profile in the wake of a circular cylinder resembles a “U” type or
a “V” type profile due to a velocity defect. Bhattacharya and JW Gregory [“The effect of …
a “V” type profile due to a velocity defect. Bhattacharya and JW Gregory [“The effect of …
Large eddy simulations and modal decomposition analysis of flow past a cylinder subject to flow-induced vibration
Large eddy simulations (LES) are carried out to investigate the flow around a vibrating
cylinder in the subcritical Reynolds number regime at Re= 3900. Three reduced velocities, U …
cylinder in the subcritical Reynolds number regime at Re= 3900. Three reduced velocities, U …
Drag reduction in cylindrical wake flow using porous material
H Du, Q Zhang, Q Li, W Kong, L Yang - Physics of Fluids, 2022 - pubs.aip.org
Due to its unique pore structure, porous materials have the potential to be used in the fields
of acoustic noise reduction and flow drag reduction control. In order to study their effects and …
of acoustic noise reduction and flow drag reduction control. In order to study their effects and …
[HTML][HTML] Optimizing pier design to mitigate scour: a comprehensive review and large eddy simulation study
Scour-induced sediment erosion poses a significant threat to the safety and longevity of
infrastructure, including bridges, wind turbines, elevated buildings, and coastal …
infrastructure, including bridges, wind turbines, elevated buildings, and coastal …
Mechanisms for turbulent separation control using plasma actuator at Reynolds number of 1.6× 106
We have conducted large-eddy simulations of turbulent separated flows over a NACA0015
airfoil with control by a plasma actuator. The Reynolds number based on the chord length is …
airfoil with control by a plasma actuator. The Reynolds number based on the chord length is …
Effect of forcing the tip-gap of a NACA0065 airfoil using plasma actuators: A proof-of-concept study
C Anzalotta, K Joshi, E Fernandez… - Aerospace Science and …, 2020 - Elsevier
A proof-of-concept study is presented to understand the effect of continuous forcing by a
dielectric-barrier-discharge (DBD) plasma actuator on the strength of the vortices formed in …
dielectric-barrier-discharge (DBD) plasma actuator on the strength of the vortices formed in …
The effect of spatially and temporally modulated plasma actuation on cylinder wake
S Bhattacharya, JW Gregory - AIAA Journal, 2020 - arc.aiaa.org
The wake of a circular cylinder was forced with a temporally modulated and spatially
segmented dielectric-barrier-discharge plasma actuator. The temporal modulation was …
segmented dielectric-barrier-discharge plasma actuator. The temporal modulation was …
Numerical study on passive flow and noise control for flow past cylinder by porous media coatings
The present study investigates the flow around a uniform porous-coated cylinder under
subcritical flow state ( Re= 5× 10 4) through numerical analysis to explore the influence …
subcritical flow state ( Re= 5× 10 4) through numerical analysis to explore the influence …
Large-eddy simulation of the effect of distributed plasma forcing on the wake of a circular cylinder
K Joshi, S Bhattacharya - Computers & Fluids, 2019 - Elsevier
We conducted large-eddy simulation (LES) to investigate the effect of segmented plasma
forcing on the wake of a circular cylinder, at a subcritical Reynolds number of 4700. The …
forcing on the wake of a circular cylinder, at a subcritical Reynolds number of 4700. The …