Characterization and reconstruction of turbulent flows in diffuser via the proper orthogonal decomposition using customized volumetric three-component velocimetry

Z Zhang, B Gong, Y Song, Y Hu, D Wang, J Yin - Ocean Engineering, 2023 - Elsevier
The acquisition and identification of quantitative instantaneous whole-field turbulence in
water-jet pump effected by rotation and curved boundary are huge challenges. In this …

GPU-accelerated MART and concurrent cross-correlation for tomographic PIV

X Zeng, C He, Y Liu - Experiments in Fluids, 2022 - Springer
This paper presents a novel Graphics Processing Unit (GPU)-accelerated method for large-
scale data processing of tomographic particle image velocimetry. The multiplicative …

A novel single-camera approach to large-scale, three-dimensional particle tracking based on glare-point spacing

J Hou, F Kaiser, A Sciacchitano, DE Rival - Experiments in Fluids, 2021 - Springer
A novel method for three-dimensional particle tracking velocimetry (PTV) is proposed that
enables flow measurements in large volumes V= O (10 V= O (10 m^ 3 3) using a single …

[HTML][HTML] Characteristics of turbulent boundary layers generated by different tripping devices

N Freidoonimehr, A Jafari, M Arjomandi - … Journal of Heat and Fluid Flow, 2024 - Elsevier
In this study, we employ a high-fidelity flow visualisation technique to investigate the
resemblance between a turbulent boundary layer generated in a lab environment with a …

[HTML][HTML] Effect of scavenge port angles on flow distribution and performance of swirl-loop scavenging in 2-stroke aircraft diesel engine

XU Zheng, JI Fenzhu, D Shuiting, Z Yunhai, Z Yu… - Chinese Journal of …, 2021 - Elsevier
Abstract Swirl-Loop Scavenging (SLS) improves the performance of 2-stroke aircraft diesel
engine because the involved swirl may not only benefit the scavenging process, but also …

Resolution analysis on light-field particle image velocimetry

Z Zhao, C Yao, S Shi, TH New - JOSA A, 2023 - opg.optica.org
With rapid developments in light-field particle image velocimetry (LF-PIV) based on single-
camera, dual-camera, and dual-camera with Scheimpflug lenses, comprehensive …

Volumetric flow characterisation of a rectangular orifice impinging synthetic jet with single-camera light-field PIV

Z Zhao, J Ding, S Shi, R Kaufmann… - … Thermal and Fluid …, 2021 - Elsevier
The formation and evolution of volumetric flow structures from a rectangular orifice synthetic
jet (AR= 10, Re= 550, Sr= 0.0117, and L o= 0.0855 m) impinging on a flat plate is …

Tomographic reconstruction of light field PIV based on a backward ray-tracing technique

L Cao, B Zhang, MDM Hossain, J Li… - … science and technology, 2021 - iopscience.iop.org
The calculation of the weight matrix is one of the key steps of the tomographic reconstruction
in the light field particle image velocimetry (light field PIV) system. At present, the existing …

Volumetric calibration for scheimpflug light-field PIV

Z Zhao, S Shi - Experiments in Fluids, 2021 - Springer
This work presents a volumetric calibration method for Scheimpflug plenoptic camera in
particle image velocimetry. To establish a prerequisite foundation for the Scheimpflug light …

The randomness and determinacy of wall pressure fluctuations in incompressible flow

XJ Zhao, Z Chen, B Dong - Physics of Fluids, 2024 - pubs.aip.org
Wall pressure fluctuations caused by turbulent boundary layers have a significant impact on
aircraft structural vibration and cabin noise. This study aims to investigate the mechanism of …