Study of the cut-on frequency of the guided jet mode in round twin jets

Michael N. Stavropoulos; Eduardo Martini; Daniel M. Edgington-Mitchell; Peter Jordan; Petrônio Nogueira

doi:10.2514/6.2023-3648

Study of the cut-on frequency of the guided jet mode in round twin jets

Michael N. Stavropoulos, Eduardo Martini, Daniel M. Edgington-Mitchell, Peter Jordan, Petrônio Nogueira

Mechanical & Aerospace Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference Paper › Other

Abstract

There has been considerable recent interest in the guided jet mode, due to works demon strating it being the upstream component in various resonant systems. The mode is known to exist over only a finite frequency range that, for a twin-jet system, is dependent on the jet separation and solution symmetry. Vortex-sheet and finite-thickness linear stability models are employed to consider the behaviour of the mode as two jets are brought together for both planar and round twin-jet systems. It is seen that in both cases the twin-jet system merges to form an equivalent single-jet geometry. This then imposes a constraint on the guided jet mode which must change to meet this new condition as the jets merge, resulting in the previously observed dependence on jet separation.

Original language	English
Title of host publication	AIAA Aviation and Aeronautics Forum and Exposition, AIAA AVIATION Forum 2023
Publisher	American Institute of Aeronautics and Astronautics
ISBN (Print)	9781624107047
DOIs	https://doi.org/10.2514/6.2023-3648
Publication status	Published - 2023
Event	AIAA Aviation and Aeronautics Forum and Exposition 2023 - San Diego, United States of America Duration: 12 Jun 2023 → 16 Jun 2023 https://arc.aiaa.org/doi/book/10.2514/MAVIAT23 (Proceedings) https://www.aiaa.org/events-learning/event/2023/06/12/default-calendar/2023-aiaa-aviation-and-aeronautics-forum-and-exposition-(aiaa-aviation-forum) (Website)

Conference

Conference	AIAA Aviation and Aeronautics Forum and Exposition 2023
Abbreviated title	AIAA AVIATION Forum 2023
Country/Territory	United States of America
City	San Diego
Period	12/06/23 → 16/06/23
Internet address	https://arc.aiaa.org/doi/book/10.2514/MAVIAT23 (Proceedings) https://www.aiaa.org/events-learning/event/2023/06/12/default-calendar/2023-aiaa-aviation-and-aeronautics-forum-and-exposition-(aiaa-aviation-forum) (Website)

Access to Document

10.2514/6.2023-3648

Cite this

@inproceedings{db371fd686c144eb802798353ed6be27,

title = "Study of the cut-on frequency of the guided jet mode in round twin jets",

abstract = "There has been considerable recent interest in the guided jet mode, due to works demon strating it being the upstream component in various resonant systems. The mode is known to exist over only a finite frequency range that, for a twin-jet system, is dependent on the jet separation and solution symmetry. Vortex-sheet and finite-thickness linear stability models are employed to consider the behaviour of the mode as two jets are brought together for both planar and round twin-jet systems. It is seen that in both cases the twin-jet system merges to form an equivalent single-jet geometry. This then imposes a constraint on the guided jet mode which must change to meet this new condition as the jets merge, resulting in the previously observed dependence on jet separation.",

author = "Stavropoulos, {Michael N.} and Eduardo Martini and Edgington-Mitchell, {Daniel M.} and Peter Jordan and Petr{\^o}nio Nogueira",

note = "Publisher Copyright: {\textcopyright} 2023, American Institute of Aeronautics and Astronautics Inc, AIAA. All rights reserved.; AIAA Aviation and Aeronautics Forum and Exposition 2023, AIAA AVIATION Forum 2023 ; Conference date: 12-06-2023 Through 16-06-2023",

year = "2023",

doi = "10.2514/6.2023-3648",

language = "English",

isbn = "9781624107047",

booktitle = "AIAA Aviation and Aeronautics Forum and Exposition, AIAA AVIATION Forum 2023",

publisher = "American Institute of Aeronautics and Astronautics",

address = "United States of America",

url = "https://arc.aiaa.org/doi/book/10.2514/MAVIAT23, https://www.aiaa.org/events-learning/event/2023/06/12/default-calendar/2023-aiaa-aviation-and-aeronautics-forum-and-exposition-(aiaa-aviation-forum)",

}

Stavropoulos, MN, Martini, E, Edgington-Mitchell, DM, Jordan, P & Nogueira, P 2023, Study of the cut-on frequency of the guided jet mode in round twin jets. in AIAA Aviation and Aeronautics Forum and Exposition, AIAA AVIATION Forum 2023. American Institute of Aeronautics and Astronautics, AIAA Aviation and Aeronautics Forum and Exposition 2023, San Diego, California, United States of America, 12/06/23. https://doi.org/10.2514/6.2023-3648

Study of the cut-on frequency of the guided jet mode in round twin jets. / Stavropoulos, Michael N.; Martini, Eduardo; Edgington-Mitchell, Daniel M. et al.
AIAA Aviation and Aeronautics Forum and Exposition, AIAA AVIATION Forum 2023. American Institute of Aeronautics and Astronautics, 2023.

Research output: Chapter in Book/Report/Conference proceeding › Conference Paper › Other

TY - GEN

T1 - Study of the cut-on frequency of the guided jet mode in round twin jets

AU - Stavropoulos, Michael N.

AU - Martini, Eduardo

AU - Edgington-Mitchell, Daniel M.

AU - Jordan, Peter

AU - Nogueira, Petrônio

PY - 2023

Y1 - 2023

N2 - There has been considerable recent interest in the guided jet mode, due to works demon strating it being the upstream component in various resonant systems. The mode is known to exist over only a finite frequency range that, for a twin-jet system, is dependent on the jet separation and solution symmetry. Vortex-sheet and finite-thickness linear stability models are employed to consider the behaviour of the mode as two jets are brought together for both planar and round twin-jet systems. It is seen that in both cases the twin-jet system merges to form an equivalent single-jet geometry. This then imposes a constraint on the guided jet mode which must change to meet this new condition as the jets merge, resulting in the previously observed dependence on jet separation.

AB - There has been considerable recent interest in the guided jet mode, due to works demon strating it being the upstream component in various resonant systems. The mode is known to exist over only a finite frequency range that, for a twin-jet system, is dependent on the jet separation and solution symmetry. Vortex-sheet and finite-thickness linear stability models are employed to consider the behaviour of the mode as two jets are brought together for both planar and round twin-jet systems. It is seen that in both cases the twin-jet system merges to form an equivalent single-jet geometry. This then imposes a constraint on the guided jet mode which must change to meet this new condition as the jets merge, resulting in the previously observed dependence on jet separation.

UR - http://www.scopus.com/inward/record.url?scp=85199879833&partnerID=8YFLogxK

U2 - 10.2514/6.2023-3648

DO - 10.2514/6.2023-3648

M3 - Conference Paper

AN - SCOPUS:85199879833

SN - 9781624107047

BT - AIAA Aviation and Aeronautics Forum and Exposition, AIAA AVIATION Forum 2023

PB - American Institute of Aeronautics and Astronautics

T2 - AIAA Aviation and Aeronautics Forum and Exposition 2023

Y2 - 12 June 2023 through 16 June 2023

ER -

Study of the cut-on frequency of the guided jet mode in round twin jets

Abstract

Conference

Access to Document

Other files and links

Cite this