Combustor-inlet interactions in a low-order dynamic model of ramjet engines.
Saved in:
| Title: | Combustor-inlet interactions in a low-order dynamic model of ramjet engines. |
|---|---|
| Authors: | Liu, K.1 (AUTHOR), Cui, T.2 (AUTHOR) taocui@zju.edu.cn |
| Source: | Aeronautical Journal. Dec2020, Vol. 124 Issue 1282, p2001-2018. 18p. |
| Abstract: | The coexistence of multiple stable states is indicative of self-organising processes occurring in the course of the combustor-inlet interactions in a ramjet engine and give rise to the appearance of various nonlinear phenomena. This paper provides a dynamic model that can describe the multiple stable states and the corresponding nonlinear effects to further investigate the dynamic interactions between combustor and inlet in a ramjet engine. Our study shows the whole engine can display distinct dynamic behaviours ranging from irreversibility to hysteresis and to various mode transitions, depending on different physical parameters. With the model, we also illustrate the role of the instability of the normal shock wave in impacting the whole engine's nonlinear dynamics. Additionally, we extend the previous studies of the classification of combustor-inlet interactions from a static framework to a dynamic framework, which helps to clarify the transient processes of the nonlinear interactions. This work offers a quantitative illustration of the combustor-inlet interactions in a ramjet engine by revealing its nonlinear dynamics and associated characteristics, therefore advancing our understanding of the nonlinear phenomena that exhibit in ramjet engines. [ABSTRACT FROM AUTHOR] |
| Copyright of Aeronautical Journal is the property of Cambridge University Press and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
| FullText | Text: Availability: 0 |
|---|---|
| Header | DbId: egs DbLabel: Engineering Source An: 147162966 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
| IllustrationInfo | |
| Items | – Name: Title Label: Title Group: Ti Data: Combustor-inlet interactions in a low-order dynamic model of ramjet engines. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Liu%2C+K%2E%22">Liu, K.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cui%2C+T%2E%22">Cui, T.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> taocui@zju.edu.cn</i> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Aeronautical+Journal%22">Aeronautical Journal</searchLink>. Dec2020, Vol. 124 Issue 1282, p2001-2018. 18p. – Name: Abstract Label: Abstract Group: Ab Data: The coexistence of multiple stable states is indicative of self-organising processes occurring in the course of the combustor-inlet interactions in a ramjet engine and give rise to the appearance of various nonlinear phenomena. This paper provides a dynamic model that can describe the multiple stable states and the corresponding nonlinear effects to further investigate the dynamic interactions between combustor and inlet in a ramjet engine. Our study shows the whole engine can display distinct dynamic behaviours ranging from irreversibility to hysteresis and to various mode transitions, depending on different physical parameters. With the model, we also illustrate the role of the instability of the normal shock wave in impacting the whole engine's nonlinear dynamics. Additionally, we extend the previous studies of the classification of combustor-inlet interactions from a static framework to a dynamic framework, which helps to clarify the transient processes of the nonlinear interactions. This work offers a quantitative illustration of the combustor-inlet interactions in a ramjet engine by revealing its nonlinear dynamics and associated characteristics, therefore advancing our understanding of the nonlinear phenomena that exhibit in ramjet engines. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Aeronautical Journal is the property of Cambridge University Press and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
| PLink | https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=147162966 |
| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1017/aer.2020.64 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 18 StartPage: 2001 Titles: – TitleFull: Combustor-inlet interactions in a low-order dynamic model of ramjet engines. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Liu, K. – PersonEntity: Name: NameFull: Cui, T. IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 12 Text: Dec2020 Type: published Y: 2020 Identifiers: – Type: issn-print Value: 00019240 Numbering: – Type: volume Value: 124 – Type: issue Value: 1282 Titles: – TitleFull: Aeronautical Journal Type: main |
| ResultId | 1 |
