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Towards simulation of NASA35 axial compressor

journal contribution
posted on 2015-10-05, 00:00 authored by Junting Xiang, Jorg SchluterJorg Schluter, F Duan
Purpose – This paper aims to validate and analyse the NASA35 axial compressor performance based on a numerical approach.
Design/methodology/approach – Knowledge about flow property change during compressor operation at high and relatively low speed is still
limited. This work provides a numerical approach to address these problems. Validation of numerical methods is proposed to generate confidence
the numerical approach adopted, and after that, analysis of compressor performance at different operation conditions is carried out.
Findings – The numerical methods proposed are proved capable in predicting compressor performance. Changes of flow property during compressor
operation are discussed and explained.
Research limitations/implications – The current numerical work is carried out based on the first stage of the NASA35 axial compressor, where
the interactive effects from adjacent stage are not counted in. Furthermore, the steady-state simulation enforces an averaging of flow at rotor-stator
interface, where the transient rotor-stator interaction is removed.
Practical implications – This work validates the numerical methods used in the prediction of NASA35 axial compressor performance, and a similar
numerical approach can be used for other turbomachinery simulation cases.
Originality/value – This work reinforces the understanding of axial compressor operation and provides reliable results for further investigation of
a similar type of compressor. In addition, details of flow field within the NASA35 compressor during operation are given and explained which
experiments still have difficult to achieve.

History

Journal

Aircraft engineering and aerospace technology

Volume

87

Issue

6

Pagination

571 - 583

Publisher

Emerald Group Publishing

Location

Bingley, Eng.

ISSN

0002-2667

Language

eng.

Publication classification

C Journal article; C1.1 Refereed article in a scholarly journal

Copyright notice

2015, Emerald Group Publishing Limited

Editor/Contributor(s)

R Varatharajoo

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