Advanced particle-based velocimetry techniques for microscale flows

SJ Lee, S Kim - Microfluidics and Nanofluidics, 2009 - Springer
Recently, microscale flows have been receiving large attention in various research areas.
However, most conventional imaging techniques are unsatisfactory due to difficulties …

Flow rate estimation in large depth-of-field micro-PIV

A Kloosterman, C Poelma, J Westerweel - Experiments in fluids, 2011 - Springer
Abstract In micro-Particle Image Velocimetry, the requirement of a large field-of-view often
results in a large depth-of-correlation, ie large depth of the measurement volume. When the …

A tempo-spatial controllable microfluidic shear-stress generator for in-vitro mimicking of the thrombus

Z Yu, Y Chen, J Li, C Chen, H Lu, S Chen… - Journal of …, 2024 - Springer
Pathological conditions linked to shear stress have been identified in hematological
diseases, cardiovascular diseases, and cancer. These conditions often exhibit significantly …

Particle image velocimetry techniques and its applications in multiphase systems

FC Li, K Hishida - Advances in Chemical Engineering, 2009 - Elsevier
This chapter is devoted to the methodology of particle image velocimetry (PIV) techniques
and its applications to multiphase flow systems. It reviews, first, the fundamental issues of a …

Varying the agglomeration position of particles in a micro-channel using Acoustic Radiation Force beyond the resonance condition

O Dron, JL Aider - Ultrasonics, 2013 - Elsevier
It is well-known that particles can be focused at mid-height of a micro-channel using
Acoustic Radiation Force (ARF) tuned at the resonance frequency (h= λ/2). The resonance …

μ-PIV measurements of the ensemble flow fields surrounding a migrating semi-infinite bubble

E Yamaguchi, BJ Smith, DP Gaver III - Experiments in fluids, 2009 - Springer
Microscale particle image velocimetry measurements of ensemble flow fields surrounding a
steadily migrating semi-infinite bubble through the novel adaptation of a computer controlled …

Depth of correlation reduction due to out-of-plane shear in microscopic particle image velocimetry

MG Olsen - Measurement Science and Technology, 2010 - iopscience.iop.org
The effects of out-of-plane shear on the depth of correlation in microscopic particle image
velocimetry (microPIV) were analyzed by deriving an analytical model of microPIV …

Improvement in two-frame correlations by confocal microscopy for temporally resolved micro particle imaging velocimetry

SA Klein, JD Posner - Measurement Science and Technology, 2010 - iopscience.iop.org
An investigation of two-frame micro particle image velocimetry (µPIV) correlations is
presented that utilizes a high-speed, spinning disk confocal micro particle image velocimetry …

Improved accuracy of time-resolved micro-Particle Image Velocimetry using phase-correlation and confocal microscopy

JS Raben, SA Klein, JD Posner, PP Vlachos - Microfluidics and …, 2013 - Springer
Abstract Micro-Particle Image Velocimetry (μPIV) measurements often suffer from poor
image quality because of volume illumination effects, out of focus particles, and low seeding …

An optical counting technique with vertical hydrodynamic focusing for biological cells

S Chiavaroli, D Newport, B Woulfe - Biomicrofluidics, 2010 - pubs.aip.org
A barrier in scaling laboratory processes into automated microfluidic devices has been the
transfer of laboratory based assays: Where engineering meets biological protocol. One …