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 …

Variational image registration methods commonly employ a similarity metric and a
regularization term that renders the minimization problem well-posed. However, many …

In harsh flow environments, traditional particle-based velocimetry methods face challenges.
This study explores the use of seedless schlieren images for velocimetry through a novel …

The performance of a wavelet-based optical flow velocimetry (wOFV) algorithm in extracting
high accuracy and high-resolution velocity fields from tracer particle images in wall-bounded …

A wavelet-based optical flow velocimetry (wOFV) method is evaluated in the context of
determining flow velocity from scalar images. A hierarchy of data sets are used to provide an …

High fidelity near-wall velocity measurements in wall bounded fluid flows continue to pose a
challenge and the resulting limitations on available experimental data cloud our …

View Video Presentation: https://doi. org/10.2514/6.2023-2444. vid High fidelity near-wall
velocity measurements in wall bounded fluid flows continue to pose a challenge and cloud …

In this work, we present the application of wavelet-based optical flow velocimetry (wOFV) to
tagging velocimetry image data. wOFV is demonstrated to compare favorably to cross …

This study demonstrates three-dimensional deformation measurements of a thin panel in
hypersonic flow using internal miniature cameras. The panel was incorporated as the front …

The dynamics of a bubble in a pressure gradient is investigated experimentally and
numerically with particular emphasis on the behavior at reentrant jet impact and break …