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Title: High-speed (20 kHz) digital in-line holography for transient particle tracking and sizing in multiphase flows

Journal Article · · Applied Optics
DOI:https://doi.org/10.1364/AO.55.002892· OSTI ID:1258446
 [1];  [1];  [2]
  1. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
  2. Purdue Univ., West Lafayette, IN (United States)

High-speed (20 kHz) digital in-line holography (DIH) is applied for 3D quantification of the size and velocity of fragments formed from the impact of a single water drop onto a thin film of water and burning aluminum particles from the combustion of a solid rocket propellant. To address the depth-of-focus problem in DIH, a regression-based multiframe tracking algorithm is employed, and out-of-plane experimental displacement accuracy is shown to be improved by an order-of-magnitude. Comparison of the results with previous DIH measurements using low-speed recording shows improved positional accuracy with the added advantage of detailed resolution of transient dynamics from single experimental realizations. Furthermore, the method is shown to be particularly advantageous for quantification of particle mass flow rates. For the investigated particle fields, the mass flows rates, which have been automatically measured from single experimental realizations, are found to be within 8% of the expected values.

Research Organization:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC04-94AL85000
OSTI ID:
1258446
Alternate ID(s):
OSTI ID: 1245330
Report Number(s):
SAND-2016-1953J; APOPAI; 642134
Journal Information:
Applied Optics, Vol. 55, Issue 11; ISSN 0003-6935
Publisher:
Optical Society of America (OSA)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 38 works
Citation information provided by
Web of Science

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Cited By (4)

An Intelligent Vision Based Sensing Approach for Spraying Droplets Deposition Detection journal February 2019
Improving the spatial dynamic range of digital inline particle holography journal December 2018
Aerodynamic Breakup and Secondary Drop Formation for a Liquid Metal Column in a Shock-Induced Cross-Flow conference January 2017
Ultra-high-speed Pulse-burst Phase Conjugate Digital In-line Holography for Imaging Through Shock-wave Distortions conference January 2019