Angular Arrangement Optimization of the Support Racks of Gas Turbine Engine to Reduce the Circumferential Unevenness of Gas Flow Topics: Computer Simulation Techniques; Energy and Power Systems; Fluid Dynamics In Proceedings of the 5th International Conference on Simulation and Modeling Methodologies, Technologies and Applications SIMULTECH - Volume 1, 383-388, 2015 , Colmar, Alsace, France