Flow past two rotationally oscillating cylinders

IH Khan, P Sunil, S Bhattacharyya, R Yadav… - Journal of Fluid …, 2023 - cambridge.org
Wake interaction of two rotationally oscillating cylinders in side-by-side configuration is
studied experimentally at a Reynolds number of 150. Five spacing ratios, is studied. An …

[HTML][HTML] Lock-on to quasi-periodic flow transformation for a rotationally oscillating cylinder due to gust impulse

A Yawar, F Salehi, S Manzoor - Physics of Fluids, 2023 - pubs.aip.org
A computational study is conducted to analyze the effects of an upstream gust impulse on
lock-on flow of a cylinder, which is rotationally oscillating. Reynold numbers of 100, 110, and …

Experimental investigation of flow past a rotationally oscillating tapered cylinder

S Bhattacharyya, I Hussain Khan, P Sunil, S Kumar… - Physical Review …, 2023 - APS
The flow downstream of a linearly tapered cylinder executing rotational oscillations is
experimentally studied at Reynolds number (based on mean diameter) of 250. The tapered …

Numerical investigation on the end effects of the flow past a finite rotating circular cylinder with two free ends

Q Liu, S Gong, H Lu, G Xie, Z Zuo - Computers & Fluids, 2024 - Elsevier
This paper studies the impact of the aspect ratio and free end shape on the end effects in the
flow past a rotating circular cylinder with two flat, radiused, hemispherical, and conical ends …

Vortex-induced vibration of a circular cylinder in the supercritical regime

TR Sahu, G Chopra, S Mittal - Physics of Fluids, 2024 - pubs.aip.org
Vortex-induced vibration (VIV) of a low mass ratio circular cylinder (⁠ m*= 10⁠), that is free
to vibrate in crossflow and in-line directions, at supercritical Reynolds number (⁠ 3× 10 5⁠) …

Numerical investigations on wake transition of a 2-DOF elastically mounted circular cylinder

S Singh, S Tiwari - Journal of Fluids and Structures, 2025 - Elsevier
Present is a three-dimensional (3D) numerical study on vortex-induced vibration (VIV) of an
elastically mounted rigid circular cylinder in cross-flow. The cylinder motion has two degrees …

Shedding-scheme transition of hemisphere near wake dependent on Reynolds number

H Tu, Z Wang, Q Gao, W She, F Wang, Z Shi… - Physics of …, 2024 - pubs.aip.org
The shedding-scheme transition of hemispherical wake is investigated with time-resolved
tomographic particle image velocimetry. Experiments are carried out with Reynolds numbers …

[HTML][HTML] Energetic material characterization and ignition study of MEMS based micro-thruster for multi spacecrafts missions

H Shukla, G Velidi - FirePhysChem, 2024 - Elsevier
Over the past few years, there has been a growing recognition of the importance of multi-
spacecraft missions for a variety of purposes, including Earth observation, navigation …

Experimental study of turbulent wake flow around trapezoidal cylinders with varying streamwise aspect ratios

J Kang, MF Tachie - Journal of Fluids Engineering, 2023 - asmedigitalcollection.asme.org
The effects of streamwise aspect ratio (AR) on the asymmetric wake flow over and behind
right-angled trapezoidal cylinders with AR (= upper cylinder length to height ratio)= 1, 2, 3, 4 …

[HTML][HTML] Numerical study of wake flow across two circular cylinders in tandem arrangement with high rotation speed

MA Siddiqui, A Munir, MH Ali, M Zhao, P Duan… - Physics of …, 2024 - pubs.aip.org
Flow behind a bluff body is marked with unstable wake pattern eventually impacting the
forces acting on the body, which can be actively controlled by rotation. When multiple …