Thesis-2015-Koli.pdf (15.36 MB)
CFD investigation of a switched vortex valve for cooling air flow modulation in aeroengine
thesis
posted on 2016-01-27, 09:31 authored by Bharat KoliThis thesis is focused on understanding the flow features associated with a Switched Vortex Valve (SVV) using Computational Fluid Dynamics (CFD) methods for application in aero-engines. In this research the major emphasis was put on detailed flow analysis which was limited in experimental studies of SVVs. Considering the complex geometry of the SVV, for simplicity it was decided to divide the SVV device into two parts before studying the device as whole. These parts are the vortex chamber and flow switching device, which together constitute the SVV device. In this research, different turbulence models were evaluated which are mainly Reynolds average Navier-Stokes (RANS) and unsteady Reynolds average NavierStokes (URANS). The different turbulence models are the k- , SA and the RSM, and for a test case LES was also implemented.
Funding
This research work has been funded by the Rolls-Royce plc. and the Engineering and Physical Sciences Research Council of the United Kingdom through the University of Surrey Postgraduate Studentship award.
History
School
- Aeronautical, Automotive, Chemical and Materials Engineering
Department
- Aeronautical and Automotive Engineering
Publisher
© Bharat Ramesh KoliPublisher statement
This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/Publication date
2015Notes
A thesis submitted in fulfilment of the requirements for the degree of Doctor of Philosophy in the Thermo-Fluids Systems UTC Department of Mechanical Engineering Sciences University of SurreyLanguage
- en
Qualification name
- EngD
Qualification level
- Doctoral