Details
| Originalsprache | Englisch |
|---|---|
| Titel des Sammelwerks | Turbo Expo |
| Untertitel | Power for Land, Sea, and Air |
| Herausgeber (Verlag) | American Society of Mechanical Engineers(ASME) |
| Seitenumfang | 16 |
| ISBN (Print) | 9780791851005 |
| Publikationsstatus | Veröffentlicht - 2018 |
| Veranstaltung | ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition, GT 2018 - Oslo, Norwegen Dauer: 11 Juni 2018 → 15 Juni 2018 |
Publikationsreihe
| Name | Proceedings of the ASME Turbo Expo |
|---|---|
| Band | 2B-2018 |
Abstract
Exact inflow conditions for DNS and LES can be generated by resource-intensive precursor simulations of three-dimensional periodic boxes or infinite channels, in the case where a wallbounded flow is investigated. A cheaper and much more flexible alternative is the use of synthetic boundary conditions. In the proposed paper, a modified synthetic-eddy-method will be presented, which suits the demands and specifications of turbomachinery applications. It will further be extended to subsonic compressible flows by adding a mechanism to uncouple acoustic waves. It is applied to synthetically reproduce the wake of a turbine test case and validated against the original cascade simulation which is presented in the according Part B paper. This highly flexible approach also provides interfaces to prescribe unsteady inflow conditions, by temporally changing velocities, Reynolds stresses, and turbulent length-scales.
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Turbo Expo: Power for Land, Sea, and Air. American Society of Mechanical Engineers(ASME), 2018. (Proceedings of the ASME Turbo Expo; Band 2B-2018).
Publikation: Beitrag in Buch/Bericht/Sammelwerk/Konferenzband › Aufsatz in Konferenzband › Forschung › Peer-Review
}
TY - GEN
T1 - The Effect of Turbulent Scales on Low-Pressure Turbine Aerodynamics: Part A
T2 - ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition, GT 2018
AU - Müller-Schindewolffs, Christoph
AU - Herbst, Florian
PY - 2018
Y1 - 2018
N2 - Exact inflow conditions for DNS and LES can be generated by resource-intensive precursor simulations of three-dimensional periodic boxes or infinite channels, in the case where a wallbounded flow is investigated. A cheaper and much more flexible alternative is the use of synthetic boundary conditions. In the proposed paper, a modified synthetic-eddy-method will be presented, which suits the demands and specifications of turbomachinery applications. It will further be extended to subsonic compressible flows by adding a mechanism to uncouple acoustic waves. It is applied to synthetically reproduce the wake of a turbine test case and validated against the original cascade simulation which is presented in the according Part B paper. This highly flexible approach also provides interfaces to prescribe unsteady inflow conditions, by temporally changing velocities, Reynolds stresses, and turbulent length-scales.
AB - Exact inflow conditions for DNS and LES can be generated by resource-intensive precursor simulations of three-dimensional periodic boxes or infinite channels, in the case where a wallbounded flow is investigated. A cheaper and much more flexible alternative is the use of synthetic boundary conditions. In the proposed paper, a modified synthetic-eddy-method will be presented, which suits the demands and specifications of turbomachinery applications. It will further be extended to subsonic compressible flows by adding a mechanism to uncouple acoustic waves. It is applied to synthetically reproduce the wake of a turbine test case and validated against the original cascade simulation which is presented in the according Part B paper. This highly flexible approach also provides interfaces to prescribe unsteady inflow conditions, by temporally changing velocities, Reynolds stresses, and turbulent length-scales.
UR - http://www.scopus.com/inward/record.url?scp=85054096183&partnerID=8YFLogxK
U2 - 10.1115/GT2018-75162
DO - 10.1115/GT2018-75162
M3 - Conference contribution
AN - SCOPUS:85054096183
SN - 9780791851005
T3 - Proceedings of the ASME Turbo Expo
BT - Turbo Expo
PB - American Society of Mechanical Engineers(ASME)
Y2 - 11 June 2018 through 15 June 2018
ER -