Recent advances and applications of digital holography in multiphase reactive/nonreactive flows: a review

J Huang, W Cai, Y Wu, X Wu - Measurement Science and …, 2021 - iopscience.iop.org
In various multiphase flows, the characterization of particle dynamics is important in the
understanding of the interaction between particles and the surrounding flows. Digital …

Three-dimensional spatial distributions of agglomerated particles on and near the burning surface of aluminized solid propellant using morphological digital in-line …

B **, Z Wang, G Xu, W Ao, P Liu - Aerospace Science and Technology, 2020 - Elsevier
The particle size distribution of aluminum particles during combustion plays an important
role in predicting the combustion performance of aluminized solid propellants. However …

High-speed digital in-line holography for in-situ dust cloud characterization in a minimum ignition energy device

C Schweizer, S Prasad, A Saini, CV Mashuga… - Powder Technology, 2020 - Elsevier
Precise measurement of the minimum ignition energy (MIE) of combustible dust is crucial to
safety in the process industries. The development of comprehensive methods for MIE dust …

Shock-wave distortion cancellation using numerical recalculated intensity propagation phase holography

AW Marsh, TM Evans, BC Musci, J Uzodima… - Optics and Lasers in …, 2021 - Elsevier
Digital holography is a three-dimensional (3D) measurement technique that can be used to
quantitatively determine the size and 3D location of the objects inside a field-of-view …

Design and validation of a holographic particle counter

G Brunnhofer, A Bergmann, A Klug, M Kraft - Sensors, 2019 - mdpi.com
An in-line holographic particle counter concept is presented and validated where multiple
micrometer sized particles are detected in a three dimensional sampling volume, all at once …

Digital phase-sensitive holography for numerical shock-wave distortion cancellation

TM Evans, A Marsh, J Uzodinma… - AIAA Scitech 2020 …, 2020 - arc.aiaa.org
In extreme supersonic, hypersonic, or explosive environments, the presence of gas-phase
shocks cause coherent imaging distortions and inhibit object tracking. In this work, we aim to …

Improving particle detection and size estimation accuracy in digital in-line holography using autoregressive interpolation

A Ghosh, R Kulkarni - Applied Optics, 2021 - opg.optica.org
The accuracy of particle detection and size estimation is limited by the physical size of the
digital sensor used to record the hologram in a digital in-line holographic imaging system. In …

Planar Interferometric Tracking of droplets in evaporating conditions

H Davies, M Talibi, A Ducci, N Parsania… - Experiments in …, 2022 - Springer
Abstract An effective Lagrangian Planar Interferometric Tracking (PIT) processor is proposed
to track the size and path of multiple droplets, with spray droplet diameters (20–150 µm) and …

Laser diagnostics for solid rocket propellants and explosives

YC Mazumdar, JD Heyborne… - 2019 IEEE Research …, 2019 - ieeexplore.ieee.org
Laser diagnostics are essential for time-resolved studies of solid rocket propellant
combustion and small explosive detonations. Digital in-line holography (DIH) is a powerful …

Measurement of Fly Ash Particle Size Distribution Using Lensless Digital In-Line Holography

A Ghosh, R Kulkarni, CB Gupt… - Journal of Testing …, 2023 - asmedigitalcollection.asme.org
We propose the use of a lensless digital in-line holography setup for the measurement of
particle size distribution (PSD) of fly ash obtained from wet electrostatic precipitators of …