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Title: Simple and robust framework for coupled aerothermal gas turbine simulation using low-mach and compressible industrial CFD solvers
Authors: Legrenzi, Paolo
Kannan, Karpaga V.
Page, Gary J.
Tristanto, Indi H.
Issue Date: 2016
Publisher: AIAA / © The Authors
Citation: LEGRENZI, P. ...et al., 2016. Simple and robust framework for coupled aerothermal gas turbine simulation using low-mach and compressible industrial CFD solvers. IN: Proceedings of the 54th AIAA Aerospace Sciences Meeting (AIAA SciTech), 4th-8th January 2016, San Diego, California, AIAA 2016-1640.
Abstract: Efforts are being made to achieve a coupled virtual aero-engine simulation using existing validated solvers. A methodology to easily couple a low-Mach number pressure-based code with a compressible density-based turbomachinery code for industrial application has been developed, based on boundary conditions update. Two techniques, namely, file based and memory based have been implemented to exchange data between the solvers in steady and unsteady RANS. Validation is carried out on a laminar flow for a convecting Taylor vortex test case. This approach has been applied to steady compressor/combustor and combustor/turbine simulations and extended to a simple unsteady simulation of a 2D Von Karman vortex shedding cylinder case and to a unsteady combustor/NGV/rotor test case. Results are shown, advantages and disadvantages of the two techniques are discussed.
Description: This conference paper was accepted for publication by AIAA and the definitive version is available at: http://dx.doi.org/10.2514/6.2016-1640
Sponsor: The project is partially funded by UK TSB SILOET (Strategic Investment in Low Carbon Engine Technology).
Version: Accepted for publication
DOI: 10.2514/6.2016-1640
URI: https://dspace.lboro.ac.uk/2134/22500
Publisher Link: http://dx.doi.org/10.2514/6.2016-1640
Appears in Collections:Conference Papers and Presentations (Aeronautical and Automotive Engineering)

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