Interaction of a supersonic underexpanded jet with a flat plate

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Abstract

High-spatial resolution measurements of the velocity field of a supersonic jet impinging on a flat surface were conducted. To study the effect of the boundary condition, two nozzle outer geometries were investigated. The experimental results presented here are for a nozzle pressure ratio of NPR = 3.0 and a nozzle to plate spacing of Z∕D =3.5. The flow fields of the corresponding cases show that although the general features of the flow are similar, the ambient air entrainment into the shear layer is different. This change in entrainment influences the rest of the jet structure.

Original languageEnglish
Title of host publicationFluid-Structure-Sound Interactions and Control
Subtitle of host publicationProceedings of the 3rd Symposium on Fluid-Structure-Sound Interactions and Control, 5-9 July 2015, Perth, Australia
EditorsYu Zhou, A.D. Lucey, Yang Liu, Lixi Huang
Place of PublicationHeidelberg
PublisherSpringer
Pages247-251
Number of pages5
ISBN (Electronic)9783662488683
ISBN (Print)9783662488669
DOIs
Publication statusPublished - 2016
EventSymposium on Fluid-Structure-Sound Interactions and Control 2015 - Perth, Australia
Duration: 5 Jul 20159 Jul 2015
Conference number: 3rd

Publication series

NameLecture Notes in Mechanical Engineering
PublisherSpringer
ISSN (Print)2195-4356
ISSN (Electronic)2195-4364

Conference

ConferenceSymposium on Fluid-Structure-Sound Interactions and Control 2015
Abbreviated titleFSSIC 2015
CountryAustralia
CityPerth
Period5/07/159/07/15

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