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

Highly localized pressure perturbations induced by laser absorptive heating in the shear layer of a gas jet

Not Accessible

Your library or personal account may give you access

Abstract

A technique to create a localized pressure perturbation by laser heating the absorbing gas inside the flow field is described. The effect of the laser-induced pressure pulse is to trigger the development of turbulent structures, which then evolve in time. With such external perturbation, the nozzle gas concentration is measured simultaneously at 104 points within a plane intersecting the flow by using two-dimensional imaging of the Lorenz–Mie-scattered light from aerosols seeded in the flow. The instantaneous and time-averaged spatial distributions of the perturbed flow field are presented as is the rms fluctuation of the concentration.

© 1983 Optical Society of America

Full Article  |  PDF Article
More Like This
Laser-induced fluorescence technique for velocity field measurements in subsonic gas flows

B. Hiller, J. C. McDaniel, E. C. Rea, and R. K. Hanson
Opt. Lett. 8(9) 474-476 (1983)

Three-dimensional gas concentration and gradient measurements in a photoacoustically perturbed jet

Brandon Yip, Dominique C. Fourguette, and Marshall B. Long
Appl. Opt. 25(21) 3919-3923 (1986)

Instantaneous Ramanography of a turbulent diffusion flame

Marshall B. Long, Dominique C. Fourguette, M. Carla Escoda, and Clyde B. Layne
Opt. Lett. 8(5) 244-246 (1983)

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 (4)

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

Select as filters


Select Topics Cancel
© Copyright 2024 | Optica Publishing Group. All Rights Reserved