NDLI: Fluorescence Imaging Study of Transition in Underexpanded Free Jets

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2007 22nd International Congress on Instrumentation in Aerospace Simulation Facilities

ICIASF 2005 RecordInternational Congress onInstrumentation in AerospaceSimulation Facilities

21st International Congress on Instrumentation in Aerospace Simulation Facilities

Foreword

Conference committee

Table of contents

Author Biography & Photo

Author index

Acknowledgement [sponsors]

Fluorescence Imaging Study of Transition in Underexpanded Free Jets

Investigation of visualization characteristics of the sharp focusing schlieren method

A Three-Dimensional Interferometric CT Measurement and Visualization for High-Speed Flow Induced by Shock Waves Discharged from Open Ends

Wind Tunnel Rig for the Study of Roll Damping and Pitch Damping Effects of Free-Spinning Models at Supersonic Speed

The Development of a Dedicated Signal Transfer System

Arrayed Microphone Measurement in Low Speed Wind Tunnel

Propeller Testing in the Cryogenic Wind Tunnel Cologne DNW-KKK

Advanced Measurement Techniques at High Reynolds Number Testing

Wall Corrections for CIRA Icing Wind Tunnel Secondary Test Section - Equipment Design, Realization and Performance Evaluation

Investigation of the rear support interference on the aerodynamic characteristics of the RRJ-95 model in the T-128 transonic wind tunnel

Influence of Off-body Energy Addition on an Oblique Shock Wave in a Supersonic Flow

Experimental Investigations of the Flow Field around a Generic Re-entry Capsule in HIEST

Measurements on Slight Rolling Torque Acting on A Slender Body

An internal stress wave force balance for use in a shock tunnel

Improvements of the accelerometer force measurement technique

Aerodynamic Load Measurements at Hypersonic Speeds Using Internally Mounted Fiber-Optic Balance System

Identification of Pressure Measurement Systems based on Surface Stress Sensitive Films and Pressure Sensitive Paints

Integrated Data Processing for $PSP/TSP/S^{3}F$ and model deformation measurements

Surface Pressure and acoustic Flow Field Measurements above a Delta Wing to determine Circulation

Experimental Analyses of Linear-type Aerospike Nozzles with Sidewalls

An Approach to Measuring the Effects of Surface Excrescences on Transition in the Presence of Arbitrary Pressure Gradients

Development of a Transition Detection Technique Compatible with Conventional Force/Pressure Measurements

High-Quality Skin Friction Measurements in 2-D Flows Using Oil Film Interferometry

New Approach to Surface Oil-Flow Visualization

Image Measurement of Unsteady Pressure Fluctuation on a Delta Wing by an Anodized Aluminum PSP

On Noise Reduction Procedure for Pressure-Sensitive Paint Measurements in Shock-Induced Unsteady Flows

Application of PSP To the Study of 3D Shock-Boundary Layer Interaction

Pressure Sensitive Paint Measurements on a Space Shuttle Model with the Luminescence Lifetime Technique

Temperature Correction of PSP Measurement for Low-Speed Flow Using Infrared Camera

Low Speed Application of the Pressure Sensitive Paint Measurement

PSP Measurement in Microchannel Flow

Road Vehicle Testing at High Reynolds Numbers in the Cryogenic Wind Tunnel Cologne DNW-KKK

Measurement of Boundary-Layer Transition by Towing Wind Tunnel

A.C. Plasma Anemometer for Hypersonic Mach Number Experiments

An Evanescent Wave Velocity Measurement Technique for Microfluidic Applications

Development of optical flow field measurement techniques in the ONERA Fl low-speed wind tunnel

Light Emitting Surfaces of Wind Tunnel Models for Excitation of Pressure Sensitive Paint

Temperature Compensation for Lifetime-Based Pressure Sensitive Paint Systems

Wind tunnel validation experiments to investigate the flow over a rotating and heated disk passed by a planar air stream

Characterization of the Flow Field inside a Rotating, Rib-Roughened, U-Shaped Channel using Particle Image Velocimetry

Stereoscopic PIV System Development for the JAXA 2m × 2m Transonic Wind Tunnel

Comparison of Data from Three PIV Configurations for a Supersonic Jet in Transonic Crossflow

Measurement of Supersonic Flow Field using Particle Tracking Velocimetry

PIV Measurement of Single-port and Twin-port Injection in Supersonic Flow

Realization of Super-orbital Entry Flow using Expansion Tube

Instrumentation Technique for Mixed Hypersonic Flow in Short Duration Facility

Variable Nozzles for Aerodynamic Testing of Scramjet Engines

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ICIASF 99. 18th International Congress on Instrumentation in Aerospace Simulation Facilities. Record (Cat. No.99CH37025)

ICIASF'97 Record. International Congress on Instrumentation in Aerospace Simulation Facilities

ICIASF '95 Record. International Congress on Instrumentation in Aerospace Simulation Facilities

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International Congress on Instrumentation in Aerospace Simulation Facilitie

Fluorescence Imaging Study of Transition in Underexpanded Free Jets

Content Provider	IEEE Xplore Digital Library
Author	Wilkes, J.A. Danehy, P.M. Nowak, R.J.
Copyright Year	2005
Description	Author affiliation: Department of Physics, The College of William and Mary, Williamsburg VA 23187 USA and NASA Langley Research Center, Hampton VA, 23681-2199. email address: jennifer.a.wilkes@nasa.gov (Wilkes, J.A.)
Abstract	Planar laser-induced fluorescence (PLIF) is demonstrated to be a valuable tool for studying the onset of transition to turbulence. For this study, we have used PLIF of nitric oxide (NO) to image underexpanded axisymmetric free jets issuing into a low-pressure chamber through a smooth converging nozzle with a sonic orifice. Flows were studied over a range of Reynolds numbers and nozzle-exit-to-ambient pressure ratios with the aim of empirically determining criteria governing the onset of turbulence. We have developed an image processing technique, involving calculation of the standard deviation of the intensity in PLIF images, in order to aid in the identification of turbulence. We have used the resulting images to identify laminar, transitional and turbulent flow regimes. Jet scaling parameters were used to define a rescaled Reynolds number that incorporates the influence of a varying pressure ratio. An empirical correlation was found between transition length and this rescaled Reynolds number for highly underexpanded jets.
Starting Page	1
Ending Page	8
File Size	7728343
Page Count	8
File Format	PDF
ISBN	0780390962
DOI	10.1109/ICIASF.2005.1569897
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-08-29
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fluorescence Computational fluid dynamics System testing Visualization Laser theory Laser transitions NASA Computational modeling Aerospace testing Fluid flow measurement transition laser-induced fluorescence turbulence
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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Fluorescence imaging study of transition in underexpanded free jets

Fluorescence imaging study of impinging underexpanded jets

Fluorescence imaging of underexpanded jets and comparison with cfd

Laser-induced fluorescence velocity measurements in supersonic underexpanded impinging jets

The effect of impingement on transitional behavior in underexpanded jets

Planar Laser-Induced Fluorescence Experiments and Modeling Study of Jets in Crossflow

Molecular-based optical measurement techniques for transition and turbulence in high-speed flow

Identification of instability modes of transition in underexpanded jets

Fluorescence visualization of hypersonic flow past triangular and rectangular boundary-layer trips

Fluorescence Imaging Study of Transition in Underexpanded Free Jets

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