Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group

Simultaneous measurements of mixture fraction and flow velocity using 100 kHz 2D Rayleigh scattering imaging

Not Accessible

Your library or personal account may give you access

Abstract

Two-dimensional (2D) Rayleigh scattering (RS) imaging at an ultrahigh repetition rate of 100 kHz is demonstrated in non-reacting flows employing a high-energy burst-mode laser system. Image sequences of flow mixture fraction were directly derived from high-speed RS images. Additionally, a 2D instantaneous flow velocity field at 100 kHz was obtained through optical-flow-based analysis of the RS images. In further analysis of both the mixture fraction and flow velocity field, the result for the centerline mixture fraction agreed well with the scaling law. The demonstrated high-speed RS technique in conjunction with optical-flow-based analysis provides non-intrusive, simultaneous measurements of the flow mixing and velocity field, extending the measurement capability of the RS technique to high-speed non-reacting and reacting flows.

© 2019 Optical Society of America

Full Article  |  PDF Article
More Like This
Rayleigh-scattering-based two-dimensional temperature measurement at 100-kHz frequency in a reacting flow

Stephen W. Grib, Naibo Jiang, Paul S. Hsu, Paul M. Danehy, and Sukesh Roy
Opt. Express 27(20) 27902-27916 (2019)

Time-resolved Rayleigh scattering tomography

Naibo Jiang, Paul S. Hsu, Daniel K. Lauriola, Paul M. Danehy, and Sukesh Roy
Opt. Continuum 1(5) 949-957 (2022)

100-kHz Interferometric Rayleigh Scattering for multi-parameter flow measurements

Andrew D. Cutler, Keith Rein, Sukesh Roy, Paul M. Danehy, and Naibo Jiang
Opt. Express 28(3) 3025-3040 (2020)

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Figures (7)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Equations (2)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Metrics

Select as filters


Select Topics Cancel
© Copyright 2022 | Optica Publishing Group. All Rights Reserved