Turbomachines and Advanced Fluid Dynamics University of Galway - Engineering & Computer Science Program Spring 2022 Semester - Galway

Fluid dynamics of turbomachines Introduction: background, scope and significance of rotodynamic fluid machinery. Configurations and classifications of turbomachine. Flow systems and system matching. Governing equations; Euler work equation. Performance characteristics, efficiencies. Dimensional analysis - incompresssible and compressible machines. Specific speeds. Selection of turbomachine configuration. Two-dimensional cascades. Mean-line analysis and design of compressors and turbine. Incompressible flow machines, axial and radial flow types: pumps, fans, turbines. Compressible flow machines, axial and radial flow: compressors, turbochargers, gas & steam turbines. Overview of open flow turbomachines: turbines, propellers. Related topics in Fluid Dynamics Turbulent flows - classification and characteristics. Turbulence models. Introduction to computational fluid dynamics. Application of CFD to turbomachines.

Learning Outcomes
1. The successful student will be able to: 1) Define and classify turbomachines. 2) Calculate and apply head, flow and power coefficients for performance assesssment. 3) Select turbomachines appropriate to particular applications and duties. 4) Describe and explain the flow phenomena in turbomachine components. 5) Perform design, on a preliminary basis, of blading for axial and radial flow pumps and turbines. 6) Conduct numerical computations of turbomachine flow and performance.