A5021898264- Wind and Air Flow Studies
- Fluid Dynamics and Turbulent Flows
- Fluid Dynamics and Vibration Analysis
- Wind Energy Research and Development
- Fluid Dynamics Simulations and Interactions
- Cavitation Phenomena in Pumps
- Aerodynamics and Acoustics in Jet Flows
- High-Velocity Impact and Material Behavior
- Wave and Wind Energy Systems
- Structural Response to Dynamic Loads
- Aerodynamics and Fluid Dynamics Research
- Water Systems and Optimization
- Hydraulic and Pneumatic Systems
- Plant Water Relations and Carbon Dynamics
- Rock Mechanics and Modeling
- Plasma and Flow Control in Aerodynamics
- Genetically Modified Organisms Research
- Particle Dynamics in Fluid Flows
- Hydraulic flow and structures
- Oil and Gas Production Techniques
- Coastal and Marine Dynamics
- Vibration and Dynamic Analysis
- Biomimetic flight and propulsion mechanisms
- Legume Nitrogen Fixing Symbiosis
- Cyclone Separators and Fluid Dynamics
Lanzhou University of Technology
2022-2024
Technology Centre Prague
2024
Shanghai Jiao Tong University
2019-2022
Nanjing University of Science and Technology
2017-2021
Tianjin University
2015-2019
Xi'an University of Technology
2008-2019
Grantmakers for Effective Organizations
2019
University of Bologna
2019
Nanjing Agricultural University
2018
Ministry of Education of the People's Republic of China
2018
Streamwise velocity and wall-shear stress are acquired simultaneously with a hot-wire an array of azimuthal/spanwise-spaced skin friction sensors in large-scale pipe boundary layer flow facilities at high Reynolds numbers. These allow for correlation analysis on per-scale basis between the reference signals to reveal which velocity-based turbulent motions stochastically coherent friction. In logarithmic region, wall-attached structures both layers show evidence self-similarity, range scales...
In this study, ultra-high-performance concrete (UHPC) was reinforced by hybrid fibers and corundum aggregates. The dynamic behavior of UHPC against multiple bullet impacts researched. penetration damage to targets measured, the fracture patterns bullets were observed after each impact. effects aggregates on depth subjected An empirical model proposed predict depths in based formula developed Gomez. fracturing simulated finite-element method. Results show that resistance penetrations improved...
This work studies amplitude modulation (AM) of a turbulent boundary layer flow perturbed by wall-mounted piezoelectric (PZT) actuator. Hot-wire measurements were executed downstream the PZT actuator working at certain frequency but several different amplitudes. Turbulent nonlinear fluctuations acquired triple decomposition devoted to observing AM effects. The has significant impact on distribution coefficients and joint probability-density functions large-scale representatives small scales...
This study presents findings from a first-of-its-kind measurement campaign that includes simultaneous measurements of the full velocity and vorticity vectors in both pipe boundary layer flows under matched spatial resolution Reynolds number conditions. Comparison canonical turbulent offers insight into role(s) played by features are unique to one or other. Pipe zero pressure gradient often compared with goal elucidating roles geometry free condition on wall flows. Prior experimental efforts...
With a piezoelectric (PZT) oscillator, the predetermined controls of turbulent boundary layer (TBL) are effective in reducing drag force. The stream-wise velocities TBL accurately measured downstream oscillator driven by an adjustable power source. mean velocity profiles inner and outer scales reported skin friction stresses with different voltage parameters compared. Reduction integral spatial region below y+ 30 suggests that at work breaks up near-wall vortices responsible for high...
Abstract This study experimentally investigates the impact of a single piezoelectric (PZT) actuator on turbulent boundary layer from statistical viewpoint. The working conditions include range frequencies and amplitudes. streamwise velocity signals in flow are measured downstream using hot-wire anemometer. mean profiles other basic parameters reported. Spectra results obtained by discrete wavelet decomposition indicate that PZT vibration primarily influences near-wall region. intensities at...
This experimental study characterizes vortex shedding from a sinusoidally pitching hydrofoil at high Reynolds number, reveals the effects of amplitude, reduced frequency, and number on dynamic force responses beyond linear inviscid theory, sheds light correlation between regimes for hydrofoil.
Considering its Venturi effect, long corridor terrain is considered as one of the outstanding wind-energy resources, but has not been developed due to unclear inflow turbulence effects on wind turbines. To advance wind-power technology in corridors and reveal physics behind it, we conducted a series data-fusion analyses combining field measurements Hexi Corridor, Gansu, China, numerical simulations summarize effort here. In this study, classical spectrum for atmospheric boundary layer...