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Keywords: large eddy simulation
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Journal Articles
Christian Morsbach, Marcel Matha, Robin G. Brakmann, Sadiya Tabassum, Michael Bergmann, Michael Schroll, Christian Willert, Edmund Kügeler
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2025, 147(3): 031002.
Paper No: TURBO-24-1139
Published Online: October 8, 2024
... to a developing cross flow of up to 25% of the bulk jet velocity. To this end, we present an improved version of a previously published large eddy simulation (LES) now with resolved turbulence at the inflow boundaries. After a careful analysis of the transient behavior and statistical convergence of the LES, we...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2025, 147(2): 021005.
Paper No: TURBO-24-1116
Published Online: October 7, 2024
... presents a guideline for accurately predicting the performance of centrifugal blowers using compressible flow analysis with large eddy simulation (LES). In LES analysis, it is important to have a grid resolution that resolves the minimum vortex scale near the wall (referred to as wall-resolved LES...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2024, 146(10): 101010.
Paper No: TURBO-24-1012
Published Online: May 8, 2024
... under different film hole diameters and coolant mass flow ratio on heat transfer and flow characteristics of channel impingement cooling are presented using large eddy simulation (LES) in this article. The current work was undertaken based on turbine blade dimensions and turbine operating conditions...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2024, 146(3): 031005.
Paper No: TURBO-23-1235
Published Online: November 16, 2023
... 23 10 2023 24 10 2023 16 11 2023 energy-imparting turbomachine hydrocarbon cracking high-temperature processes decarbonisation aerodynamics energy transformation computational fluid dynamics (CFD) turbomachinery blading design large eddy simulation This article...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2024, 146(2): 021005.
Paper No: TURBO-23-1166
Published Online: November 13, 2023
... 09 2023 25 09 2023 13 11 2023 large eddy simulation discontinuous Galerkin spectral element method unsteady wakes boundary layer development computational fluid dynamics (CFD) Current engine designs have been mainly enabled through computational fluid dynamics (CFD...
Journal Articles
Bjoern F. Klose, Christian Morsbach, Michael Bergmann, Alexander Hergt, Joachim Klinner, Sebastian Grund, Edmund Kügeler
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2024, 146(2): 021006.
Paper No: TURBO-23-1169
Published Online: November 13, 2023
... subcell shock capturing scheme tailored for the DGSEM is applied and evaluated with regard to the shock sensor. To this end, we conduct implicit large eddy simulations of a high-pressure turbine cascade from the public literature and a transonic compressor cascade measured at the German Aerospace Center...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2024, 146(2): 021007.
Paper No: TURBO-23-1165
Published Online: November 13, 2023
... , “ Large-Eddy Simulation and RANS Analysis of the End-Wall Flow in a Linear Low-Pressure Turbine Cascade, Part I: Flow and Secondary Vorticity Fields Under Varying Inlet Condition ,” ASME J. Turbomach. , 141 ( 12 ), p. 121005 . 10.1115/1.4045080 [7] Iyer , A. , Abe , Y. , Vermeire , B...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2021, 143(12): 121005.
Paper No: TURBO-20-1253
Published Online: July 5, 2021
.... With the objective of improving RANS models from large eddy simulation (LES) methods, the volume of fluid (VOF) and Euler–Euler methods for two-phase flow modeling are investigated in this study. The VOF approach assumes a single set of momentum equations for the two phases and volume fractions are 1 or 0 everywhere...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2021, 143(6): 061005.
Paper No: TURBO-20-1243
Published Online: April 8, 2021
..., and the corresponding relative change in cascade performance was first investigated based on the unsteady Reynolds-averaged Navier–Stokes (uRANS) simulations with/without a transition model. Then, the large eddy simulations in conjunction with the wall-adapted local eddy viscosity model were conducted to investigate...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2020, 142(3): 031002.
Paper No: TURBO-19-1248
Published Online: February 20, 2020
...M. Bolinches-Gisbert; David Cadrecha Robles; Roque Corral; Fernando Gisbert A comprehensive comparison between implicit large eddy simulations (ILES) and experimental results of a modern high-lift low-pressure turbine airfoil has been carried out for an array of Reynolds numbers (Re). Experimental...