An Investigation Of The Dynamic Characteristics Of Axial Flow Compressors
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Author | : Guo-Cai Tang |
Publisher | : |
Total Pages | : 0 |
Release | : 1990 |
Genre | : Axial flow compressors |
ISBN | : |
This paper reports an experimental investigation of the dynamic behavior of an axial flow compressor when the flow rate if forced to vary quickly. The results are discussed in two aspects: general trends and special points. Generally, there is a deviation of the dynamic characteristic from the steady-state one, depending upon the algebraic sum of the inertial effect and the lag effect. For the present axial flow compressor, lightly-loaded, the dynamic characteristic goes above the steady-state one while closing the valve and below the steady-state one for opening the valve. Physical explanation is given to the general trend and also to the difference between the behavior of the axial flow compressor and that of the centrifugal compressor. Specifically, the rapid closing of the valve will end up with an operating point end dynamic breaking into the instability limit while the throttle setting is somewhat away from the instability limit position for steady-state operation; and the rapid opening of the valve may produce an initial transient decrease in flow rate thus may have an initial dynamic breaking into the instability limit. Physical explanation is also given to these two special points, which are of great engineering interest with regard to the instability issue.
Author | : Andre J. Meyer (Jr.) |
Publisher | : |
Total Pages | : 30 |
Release | : 1949 |
Genre | : Aeronautics |
ISBN | : |
Author | : Lewis Research Center |
Publisher | : |
Total Pages | : 542 |
Release | : 1965 |
Genre | : Axial flow compressors |
ISBN | : |
Author | : T. M. A. Maksoud |
Publisher | : |
Total Pages | : 0 |
Release | : 1983 |
Genre | : |
ISBN | : |
Author | : George W. Lewis (Jr.) |
Publisher | : |
Total Pages | : 32 |
Release | : 1954 |
Genre | : Axial flow compressors |
ISBN | : |
Author | : United States. National Advisory Committee for Aeronautics |
Publisher | : |
Total Pages | : 1134 |
Release | : 1951 |
Genre | : Aeronautics |
ISBN | : |
Author | : John R. Erwin |
Publisher | : |
Total Pages | : 56 |
Release | : 1950 |
Genre | : Axial flow compressors |
ISBN | : |
Author | : Ronald H. Aungier |
Publisher | : Wiley-Blackwell |
Total Pages | : 0 |
Release | : 2003 |
Genre | : Axial flow compressors |
ISBN | : 9781860584220 |
This exciting new text provides a thorough description of an aerodynamic design and analysis system for axial-flow compressors. It describes the basic fluid dynamic and thermodynamic principles, empirical models and numerical methods used for the full range of procedures and analytical tools that an engineer needs for virtually any type of axial-flow compressor aerodynamic design or analysis activity. It reviews and evaluates several design strategies that have been recommended in the literature or which have been found to be effective. COMPLETE CONTENTS Introduction Thermodynamics Fluid mechanics Axial-flow compressor blade profiles Two-dimensional blade-to-blade flow through cascades of blades Empirical performance models based on two dimensional cascade tests Meridional throughflow analysis; End-wall boundary layer analysis Aerodynamic performance analysis Compressor stage aerodynamic design Multistage axial-flow compressor aerodynamic design Quasi-threedimensional blade passage flow field analysis Other components and variations Answers to the Exercises.
Author | : |
Publisher | : |
Total Pages | : 1776 |
Release | : 1965 |
Genre | : Science |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 996 |
Release | : 1990 |
Genre | : Aeronautics |
ISBN | : |