Dense velocity reconstruction from particle image velocimetry/particle tracking velocimetry using a physics-informed neural network
The velocities measured by particle image velocimetry (PIV) and particle tracking
velocimetry (PTV) commonly provide sparse information on flow motions. A dense velocity …
velocimetry (PTV) commonly provide sparse information on flow motions. A dense velocity …
Flow visualization: state-of-the-art development of micro-particle image velocimetry
Experimental flow visualization is a valuable tool for analyzing microfluidics and nanofluidics
in a wide variety of applications. Since the late 1990s, considerable advances in optical …
in a wide variety of applications. Since the late 1990s, considerable advances in optical …
Measuring the velocity fields of granular flows–Employment of a multi-pass two-dimensional particle image velocimetry (2D-PIV) approach
Measuring velocity fields plays a crucial role in investigating the dynamics of granular flows,
which can improve the modeling of hazardous geophysical flows (eg avalanches and debris …
which can improve the modeling of hazardous geophysical flows (eg avalanches and debris …
High-resolution microscale velocity field measurement using light field particle image-tracking velocimetry
M Gu, J Li, MM Hossain, C Xu - Physics of Fluids, 2023 - pubs.aip.org
Light field microparticle image velocimetry (LF-μPIV) can realize the three-dimensional (3D)
microscale velocity field measurement, but the spatial resolution of the velocity field is low …
microscale velocity field measurement, but the spatial resolution of the velocity field is low …
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 …
scale data processing of tomographic particle image velocimetry. The multiplicative …
[PDF][PDF] 基于光场成像的三维粒子追踪测速技术
刘慧芳， 周骛， 蔡小舒， 周雷， 郭延昂 - Acta Optica Sinica, 2020 - researching.cn
摘要将光场成像理论与三维颗粒追踪测速(PTV) 技术相结合, 实现了单相机三维流场的测量.
结合高斯光学和相似原理, 推导出了深度与最优重聚焦系数的关系. 搭建了光场标定与流场测量 …
结合高斯光学和相似原理, 推导出了深度与最优重聚焦系数的关系. 搭建了光场标定与流场测量 …
Volumetric imaging of flame refractive index, density, and temperature using background-oriented Schlieren tomography
Volumetric imaging represents one of the major development trends of flow diagnostics due
to both the advancement in hardware and the requirement for more information to further …
to both the advancement in hardware and the requirement for more information to further …
Single-camera 3D PTV using particle intensities and structured light
We use structured monochromatic volume illumination with spatially varying intensity
profiles, to achieve 3D intensity particle tracking velocimetry using a single video camera …
profiles, to achieve 3D intensity particle tracking velocimetry using a single video camera …
Volumetric calibration enhancements for single-camera light-field PIV
This work presents a volumetric calibration method for single-camera light-field particle
image velocimetry (light-field PIV or LF-PIV). The proposed technique makes use of the …
image velocimetry (light-field PIV or LF-PIV). The proposed technique makes use of the …
A pre-recognition SART algorithm for the volumetric reconstruction of the light field PIV
As a novel volumetric velocimetry technique, the light field particle image velocimetry (LF-
PIV) based on a single light field camera benefits from its single perspective configuration …
PIV) based on a single light field camera benefits from its single perspective configuration …