Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Steady, Laminar Flow Between Parallel Plates01:17

Steady, Laminar Flow Between Parallel Plates

Understanding steady, laminar flow between parallel plates is essential for analyzing and designing flow in narrow rectangular channels, commonly found in various water conveyance and drainage systems. The Navier-Stokes equations govern fluid motion and are generally challenging to solve due to their nonlinearity. However, simplifications are possible in certain cases, like the steady laminar flow between parallel plates. For this scenario, we assume steady, incompressible, laminar flow.

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Modeling gait score of broiler chicken via production and behavioral data.

Animal : an international journal of animal bioscience·2022
Same author

Intramedullary, periosteal, and extraskeletal Ewing sarcomas: retrospective study of a series of 126 cases in a reference center.

Skeletal radiology·2022
Same author

Dactylitis: A pictorial review of key symptoms.

Diagnostic and interventional imaging·2020
Same author

Anaesthetic management of postural orthostatic tachycardia syndrome presenting during pregnancy.

International journal of obstetric anesthesia·2019
Same author

Direct isotopic evidence of biogenic methane production and efflux from beneath a temperate glacier.

Scientific reports·2018
Same author

Hereditary haemorrhagic telangiectasia in pregnancy: regional and general anaesthesia.

International journal of obstetric anesthesia·2018

Related Experiment Video

Updated: May 27, 2026

Experimental Investigation of Secondary Flow Structures Downstream of a Model Type IV Stent Failure in a 180° Curved Artery Test Section
11:00

Experimental Investigation of Secondary Flow Structures Downstream of a Model Type IV Stent Failure in a 180° Curved Artery Test Section

Published on: July 19, 2016

Kr-PLIF for scalar imaging in supersonic flows.

V Narayanaswamy1, R Burns, N T Clemens

  • 1Department of Aerospace Engineering and Engineering Mechanics, The University of Texas at Austin, Austin, Texas 78712, USA.

Optics Letters
|November 4, 2011
PubMed
Summary

Two-photon planar laser-induced fluorescence (PLIF) of krypton gas is a viable method for scalar imaging in supersonic flows. This technique provides high signal-to-noise ratios for accurate density and temperature measurements.

More Related Videos

High-speed Particle Image Velocimetry Near Surfaces
11:59

High-speed Particle Image Velocimetry Near Surfaces

Published on: June 24, 2013

Determining 3D Flow Fields via Multi-camera Light Field Imaging
14:25

Determining 3D Flow Fields via Multi-camera Light Field Imaging

Published on: March 6, 2013

Related Experiment Videos

Last Updated: May 27, 2026

Experimental Investigation of Secondary Flow Structures Downstream of a Model Type IV Stent Failure in a 180° Curved Artery Test Section
11:00

Experimental Investigation of Secondary Flow Structures Downstream of a Model Type IV Stent Failure in a 180° Curved Artery Test Section

Published on: July 19, 2016

High-speed Particle Image Velocimetry Near Surfaces
11:59

High-speed Particle Image Velocimetry Near Surfaces

Published on: June 24, 2013

Determining 3D Flow Fields via Multi-camera Light Field Imaging
14:25

Determining 3D Flow Fields via Multi-camera Light Field Imaging

Published on: March 6, 2013

Area of Science:

  • Fluid Dynamics
  • Laser-Based Diagnostics
  • Aerospace Engineering

Background:

  • Scalar imaging in supersonic flows is crucial for understanding complex fluid dynamics.
  • Existing techniques may have limitations in signal quality and applicability across flow regimes.
  • Krypton gas offers unique optical properties for laser-induced fluorescence.

Purpose of the Study:

  • To investigate the efficacy of two-photon planar laser-induced fluorescence (PLIF) of krypton gas for scalar imaging.
  • To assess the suitability of Kr-PLIF for single-shot imaging in supersonic and hypersonic flows.
  • To quantify gas density and temperature distributions using Kr-PLIF.

Main Methods:

  • Experiments were conducted using an underexpanded jet of krypton.
  • Two-photon PLIF of krypton was employed for scalar imaging.
  • Fluorescence signals were corrected for quenching effects and analyzed using isentropic relations.
  • Results were compared with empirical correlations and CFD simulations (FLUENT).

Main Results:

  • Excellent signal-to-noise ratios were achieved with Kr-PLIF, enabling single-shot imaging.
  • The technique successfully inferred gas density and temperature distributions.
  • Experimental data for centerline density and temperature showed strong agreement with empirical correlations and CFD predictions.
  • High signal levels and quantifiable measurements confirmed the technique's effectiveness.

Conclusions:

  • Two-photon PLIF of krypton gas is a promising technique for scalar imaging in supersonic and hypersonic flows.
  • The method provides accurate, single-shot measurements of gas density and temperature.
  • Kr-PLIF serves as an effective scalar marker for advanced flow diagnostics.