Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
Hybrid Reynolds-Averaged Navier-Stokes/Large-Eddy Simulations of F-16XL in Low-Speed High-Alpha Flight
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering.
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering.
2017 (English)In: Journal of Aircraft, ISSN 0021-8669, E-ISSN 1533-3868, Vol. 54, no 6, p. 2070-2076Article in journal (Refereed) Published
Abstract [en]

This paper reports on the computational fluid dynamics study of flow around the F-16XL aircraft in low-speed high-alpha flight. Previous work established that the computed pressure for this case compared less favorably with those measured in flight tests than did similar comparisons for cases at lower angles of attack. One reason suggested for the discrepancy was that the flow over the outer-wing panel was unsteady. This paper presents time-accurate computations with physical modeling that can capture such unsteady flow phenomena, namely, so-called hybrid Reynolds-averaged Navier-Stokes/large-eddy simulation modeling. The simulations obtained are compared with those measured during flight testing of the vehicle as well as with results computed with more conventional steady physical modeling. Over the outer wing panel, the unsteady simulations compare substantially better than the steady results with the flight-test data, confirming unsteady aerodynamic effects are at play. At the inner-wing locations, the correlations among the simulations (unsteady and steady) and with the flight test are good, confirming the suspicion that the flow is mostly steady there. Although differences are found among all the results compared, they are not exceedingly large; but, the conclusion that unsteady aerodynamic effects are at play over the outer-wing panel are undeniable.

Place, publisher, year, edition, pages
2017. Vol. 54, no 6, p. 2070-2076
National Category
Vehicle Engineering
Identifiers
URN: urn:nbn:se:kth:diva-220284DOI: 10.2514/1.C034283ISI: 000416574600005Scopus ID: 2-s2.0-85036632171OAI: oai:DiVA.org:kth-220284DiVA, id: diva2:1169107
Note

QC 20171222

Available from: 2017-12-22 Created: 2017-12-22 Last updated: 2017-12-22Bibliographically approved

Open Access in DiVA

No full text in DiVA

Other links

Publisher's full textScopus

Authority records BETA

Tomac, MaximilianRizzi, Arthur

Search in DiVA

By author/editor
Tomac, MaximilianRizzi, Arthur
By organisation
Aeronautical and Vehicle Engineering
In the same journal
Journal of Aircraft
Vehicle Engineering

Search outside of DiVA

GoogleGoogle Scholar

doi
urn-nbn

Altmetric score

doi
urn-nbn
Total: 15 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf