1. Identity statement | |
Reference Type | Journal Article |
Site | mtc-m21b.sid.inpe.br |
Holder Code | isadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S |
Identifier | 8JMKD3MGP3W34P/3KB6CBL |
Repository | sid.inpe.br/mtc-m21b/2015/09.28.16.06 (restricted access) |
Last Update | 2016:01.06.11.06.36 (UTC) administrator |
Metadata Repository | sid.inpe.br/mtc-m21b/2015/09.28.16.06.01 |
Metadata Last Update | 2018:06.04.02.55.42 (UTC) administrator |
DOI | 10.1016/j.piutam.2015.03.032 |
ISSN | 2210-9838 |
Citation Key | MancoFreiFernMend:2015:StCoMi |
Title | Stability of compressible mixing layers modified by wakes and jets |
Year | 2015 |
Access Date | 2024, Apr. 28 |
Type of Work | conference paper |
Secondary Type | PRE PI |
Number of Files | 1 |
Size | 3750 KiB |
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2. Context | |
Author | 1 Manco, Jhonatan Andrés Aguirre 2 Freitas, Romulo B. 3 Fernando, Leandro M. 4 Mendonça, Marcio T. |
Group | 1 PCP-ETES-SPG-INPE-MCTI-GOV-BR |
Affiliation | 1 Instituto Nacional de Pesquisas Espaciais (INPE) 2 Instituto de Aeronáutica e Espaço (IAE) 3 Instituto de Aeronáutica e Espaço (IAE) 4 Instituto de Aeronáutica e Espaço (IAE) |
Journal | Procedia IUTAM |
Volume | 14 |
Pages | 129-136 |
Secondary Mark | B2_INTERDISCIPLINAR C_ENGENHARIAS_IV C_ENGENHARIAS_III C_ENGENHARIAS_I |
History (UTC) | 2015-09-28 16:06:01 :: simone -> administrator :: 2018-06-04 02:55:42 :: administrator -> simone :: 2015 |
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3. Content and structure | |
Is the master or a copy? | is the master |
Content Stage | completed |
Transferable | 1 |
Content Type | External Contribution |
Version Type | publisher |
Keywords | linear stability analysis binary free shear layers direct numerical simulation |
Abstract | Binary free shear layers are frequently used as a model to study the stability of flows relevant in propulsion devices. The stability behaviour of binary, compressible mixing layer have been investigated and reported in the literature by many research groups and detailed description of the stability characteristics and flow topology have been published. The stability of more complex free shear layers, such as mixing layers modified by jets and wakes, has received less attention and a smaller number of references report on the stability characteristics of such flows. The availability of advanced numerical techniques as well as computational power nowadays allow the study of complex flows by direct numerical simulation. The present investigation is an extension of previous work on the stability of complex free shear flows where besides growth rates, wave numbers and frequencies, the flow topology resulting from the interaction of mixing layers, jets and wakes are investigated. The results show that, depending on the jet or wake strength relative to the mixing layer fast and slow stream velocities, the characteristic Kelvin-Helmholtz vortices may be enhanced and a more complex vortex distribution topology results. These vorticity distributions have a significant effect on the mixture between different species on the upper and lower stream and the mixing layer to jet species ratio. The effect of three-dimensional disturbances with spanwise wavenumber β * 0 are also considered and the most amplified modes are determined for a low convective mach number condition. Different combinations of hydrogen and oxygen on the mixing layer and jets are considered. For that study the base flow is determined from a parabolic, variable properties boundary layer code. The results show that oblique disturbances are more stable than two-dimensional disturbances but with different strength depending on the particular binary free shear layer considered. |
Area | COMB |
Arrangement | urlib.net > BDMCI > Fonds > Produção pgr ATUAIS > PCP > Stability of compressible... |
doc Directory Content | access |
source Directory Content | there are no files |
agreement Directory Content | |
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4. Conditions of access and use | |
Language | en |
User Group | simone |
Reader Group | administrator simone |
Visibility | shown |
Archiving Policy | denypublisher allowfinaldraft |
Read Permission | deny from all and allow from 150.163 |
Update Permission | not transferred |
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5. Allied materials | |
Linking | 8JMKD3MGP3W34P/3HFHNPP |
Mirror Repository | urlib.net/www/2011/03.29.20.55 |
Next Higher Units | 8JMKD3MGPCW/3F35D8B |
Citing Item List | |
Dissemination | WEBSCI; COMPENDEX; SCOPUS. |
Host Collection | sid.inpe.br/mtc-m21b/2013/09.26.14.25.20 |
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6. Notes | |
Empty Fields | alternatejournal archivist callnumber copyholder copyright creatorhistory descriptionlevel e-mailaddress electronicmailaddress format isbn label lineage mark month nextedition notes number orcid parameterlist parentrepositories previousedition previouslowerunit progress project resumeid rightsholder schedulinginformation secondarydate secondarykey session shorttitle sponsor subject targetfile tertiarytype url |
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7. Description control | |
e-Mail (login) | simone |
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