The physics and manipulation of Dean vortices in single-and two-phase flow in curved microchannels: A review

Y Saffar, S Kashanj, DS Nobes, R Sabbagh - Micromachines, 2023 - mdpi.com
Microchannels with curved geometries have been employed for many applications in
microfluidic devices in the past decades. The Dean vortices generated in such geometries …

Local flow dynamics in the motion of slug bubbles in a flowing mini square channel

R Azadi, DS Nobes - International Journal of Heat and Mass Transfer, 2021 - Elsevier
For a slug flow flowing in a square capillary, the surrounding liquid flows through a thin film
between the slug bubble and the wall and the corners of the channel and generates an …

Three-dimensional simulations of two-phase plug flow in a microfluidic channel

S Virappane, R Azadi, N Mukherjee, PA Tsai - Physics of Fluids, 2024 - pubs.aip.org
A fundamental understanding of two-phase flow behavior in microfluidics is crucial for
various technological applications across different disciplines, including energy, chemical …

Single-camera PTV within interfacially sheared drops in microgravity

PM McMackin, JA Adam, FP Riley, AH Hirsa - Experiments in Fluids, 2023 - Springer
Abstract Development of experimental methods for in situ particle tracking velocimetry (PTV)
is fundamental for allowing measurement of moving systems non-tailored for velocimetry …

Determination of the near wall flow of a multi-stage Tesla diode using PIV and PTV

Y Saffar, S Ansari, R Azadi, J Raffel, DS Nobes… - 2021 - era.library.ualberta.ca
Particle image velocimetry (PIV) and particle tracking velocimetry (PTV) are two popular
methods to measure the velocity in complex geometries such as the Tesla valve. This paper …

[PDF][PDF] Investigating the Flow Structure of Dean Vortices in a Curved Microchannel, Implementing 3D-µPTV Using FVM and Near Wall Data Refinement

Y Saffar, DS Nobes, R Sabbagh - researchgate.net
Microfluidic devices are now more commonly used for various applications in medical
diagnosis, pharmaceutical and agricultural applications. Flow structure in these devices can …

[PDF][PDF] Pressure calculation for flows with moving surface boundaries from particle tracking velocimetry (PTV)

R Azadi, DS Nobes - 14th International Symposium on Particle …, 2021 - scholar.archive.org
Applied Thermofluids Lab., Department of Mechanical Engineering University of Alberta,
Edmonton, Canada* david. nobes@ ualberta. ca The examples of flow conditions, where an …

[PDF][PDF] Determination of the Near Wall Flow of a Multi-Stage Tesla valve Using PIV and PTV

Y Saffar, S Ansari, R Azadi, J Raffel, DS Nobes… - 2021 - academia.edu
Particle image velocimetry (PIV) and particle tracking velocimetry (PTV) are two popular
methods to measure the velocity in complex geometries such as the Tesla valve. This paper …