Mode interpretation of blade number effects on wake dynamics of small-scale horizontal axis wind turbine

J Wen, L Zhou, H Zhang - Energy, 2023 - Elsevier
The blade number of a wind turbine is a critical parameter that significantly affects its near-
wake dynamics. In this study, we focused on the effect of the blade number on the wake of a …

Sensitivity-aided active control of flow past twin cylinders

L Zhou, H Li, KT Tim, X He, GYC Maceda… - International Journal of …, 2023 - Elsevier
The flow-induced vibration (FIV) of twin structures always experiences significantly larger
vibration amplitude than that of a single one, which causes severe structural safety …

Laminar flow over a rectangular cylinder experiencing torsional flutter: Dynamic response, forces and coherence modes

Q Zhu, L Zhou, J Wen, T Liu, J Zhang, H Tang… - Physics of …, 2023 - pubs.aip.org
This study investigates the flutter response of a rectangular cylinder model with an aspect
ratio of 5 at the Reynolds number Re= 100 via direct numerical simulation. The effects of two …

Mode-based energy transfer analysis of flow-induced vibration of two rigidly coupled tandem cylinders

H Zhang, L Zhou, KT Tim - International Journal of Mechanical Sciences, 2022 - Elsevier
Two rigidly coupled cylinders are commonly available in engineering practices, which are
always subjected to flow-induced vibration (FIV) with large oscillating amplitude due to the …

Numerical investigation on flow-induced vibration response of the cylinder inspired by the honeycomb

W Wang, F Zhao - Ocean Engineering, 2023 - Elsevier
The honeycomb-shaped structure has been proved to have good mechanical properties,
and is it possible combining its good mechanical properties together with its flow …

Vortex shedding analysis of flows past forced-oscillation cylinder with dynamic mode decomposition

H Zhang, L Jia, S Fu, X **ang, L Wang - Physics of Fluids, 2023 - pubs.aip.org
Direct numerical simulations are performed for flow past circular cylinders by the lattice
Boltzmann method coupled with immersed moving boundary method. By analyzing the flows …

Fluid–structure-coupled Koopman mode analysis of free oscillating twin-cylinders

H Zhang, L Zhou, P Deng, TKT Tse - Physics of Fluids, 2022 - pubs.aip.org
Flow-induced vibration (FIV) of twin square cylinders in a tandem arrangement was
numerically investigated at Reynolds numbers 200 and gap L/D= 2.0, 4.0, and 6.0 (D is the …

Aerodynamic correlation and flow pattern of high-rise building with side ratio of 3: 1 under twisted wind profile: A computational study

L Zhou, KT Tse, G Hu - Journal of wind engineering and industrial …, 2022 - Elsevier
This study numerically investigates twisted-wind effect on aerodynamic correlation and flow
pattern of high-rise building with 3: 1 side ratio. Spatial-temporal correlation of aerodynamic …

Aspect ratio and interference effects on flow over two rectangular cylinders in tandem arrangement

T Liu, L Zhou, D Huang, H Zhang, C Wei - Ocean Engineering, 2023 - Elsevier
Flow past twin tandem rectangular cylinders for various gap ratios (L*= 1.0–8.0) and aspect
ratios (B*= 0.3–4.0) at a Reynolds number of 150 was investigated via 2D direct numerical …

Influence of the slip boundary on square cylinders with lattice Boltzmann method

K Wang, L Yang, Y Yu, G Hou - Physics of Fluids, 2023 - pubs.aip.org
In this investigation, two-dimensional flow past square cylinders with slip boundary have
been studied with the lattice Boltzmann method. Three modes, which are a single cylinder …