The balance between theoretical, computational and experimental work in turbomachines
Abstract
The interrelation between theoretical, computational and experimental work in turbomachine flow is discussed, including both work related to the flow description of an existing machine, and work in the design of a high efficiency machine. The development of theoretical and computational methods in turbomachine flow, and the various assumptions made, are first considered, following which the increased role of experimental studies due to the introduction of such techniques as laser anemometry is discussed. Examples of the interaction of these approaches are given including the general numerical solution of the inviscid equations of motion (Stuart and Heatherington, 1974), the development of actuator-disk theory and its stimulation of the detailed measurement of the flow within turbomachines, and the observation of a large free area of separated flow in the flow through compressor cascades at high incidence leading to analytical approaches assuming a free streamline.
- Publication:
-
NASA STI/Recon Technical Report A
- Pub Date:
- 1985
- Bibcode:
- 1985STIA...8713015H
- Keywords:
-
- Aerodynamics;
- Computational Fluid Dynamics;
- Engine Design;
- Flow Measurement;
- Turbomachinery;
- Axisymmetric Flow;
- Compressors;
- Equations Of Motion;
- Inviscid Flow;
- Turbines;
- Fluid Mechanics and Heat Transfer