On the Use of Atmospheric Boundary Conditions for Axial-Flow Compressor Stall Simulations-Reference-Cited by-同舟云学术

On the Use of Atmospheric Boundary Conditions for Axial-Flow Compressor Stall Simulations

Published:2004-08-27 Issue:2 Volume:127 Page:349-351
ISSN:0889-504X
Container-title:Journal of Turbomachinery
language:en
Short-container-title:

Author:

Vahdati M.¹,Sayma A. I.¹,Freeman C.²,Imregun M.¹

Affiliation:

1. Mechanical Engineering Department, Imperial College, Exhibition Road, London SW7 2BX, UK

2. Rolls-Royce plc, PO Box 31, Moor Lane, Derby DE24 8BJ, UK

Abstract

Abstract This paper describes a novel way of prescribing computational fluid dynamics (CFD) boundary conditions for axial-flow compressors. The approach is based on extending the standard single passage computational domain by adding an intake upstream and a variable nozzle downstream. Such a route allows us to consider any point on a given speed characteristic by simply modifying the nozzle area, the actual boundary conditions being set to atmospheric ones in all cases. Using a fan blade, it is shown that the method not only allows going past the stall point but also captures the typical hysteresis loop behavior of compressors.

Publisher

ASME International

Subject

Mechanical Engineering

Link

https://asmedigitalcollection.asme.org/turbomachinery/article-pdf/127/2/349/6837441/349_1.pdf

Reference6 articles.

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2. Day, I. J. , 1992, “Stall and Surge in Axial Flow Compressors,” VKI lecture series, Axial flow compressors, 1992–02.

3. Stability of Flow Through Multi-stage Axial Compressors;Longley;ASME J. Turbomach.

4. Active Stabilization of Rotating Stall and Surge in a Transonic Single-Stage Compressor;Weigl;ASME J. Turbomach.

5. A Theory of Post-Stall Transients in Axial Compressors—Part I: Development of the Equations;Moore;ASME J. Eng. Gas Turbines Power

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