Prestall behavior of a transonic axial compressor stage via time-accurate numerical simulation

JP Chen, MD Hathaway, GP Herrick - 2008 - asmedigitalcollection.asme.org
Computational fluid dynamics calculations using high-performance parallel computing were
conducted to simulate the prestall flow of a transonic compressor stage, NASA compressor …

In situ distribution guided analysis and visualization of transonic jet engine simulations

S Dutta, CM Chen, G Heinlein… - IEEE transactions on …, 2016 - ieeexplore.ieee.org
Study of flow instability in turbine engine compressors is crucial to understand the inception
and evolution of engine stall. Aerodynamics experts have been working on detecting the …

Simulation of rotating stall in a whole stage of an axial compressor

N Gourdain, S Burguburu, F Leboeuf, GJ Michon - Computers & Fluids, 2010 - Elsevier
Aerodynamic instabilities that naturally occur in compression systems, such as surge and
rotating stall, largely reduce the life duration and performance of system components. The …

Two stall stages in a centrifugal compressor with a vaneless diffuser

H Zhang, C Yang, X Shi, C Yang, J Chen - Aerospace Science and …, 2021 - Elsevier
A sufficient understanding of the stall behavior is crucial to improve the stability of a
compressor. The stall development process and its sensitive locations in a centrifugal …

Flow stability model of centrifugal compressors based on eigenvalue approach

X Sun, Y Ma, X Liu, D Sun - AIAA Journal, 2016 - arc.aiaa.org
A stall inception model of centrifugal compressors is developed on the basis of the global
stability analysis in the present paper. This model takes specific flow patterns and impeller …

Homogeneity guided probabilistic data summaries for analysis and visualization of large-scale data sets

S Dutta, J Woodring, HW Shen… - 2017 IEEE Pacific …, 2017 - ieeexplore.ieee.org
High-resolution simulation data sets provide plethora of information, which needs to be
explored by application scientists to gain enhanced understanding about various …

Identification of phenomena preceding blower surge by means of pressure spectral maps

G Liśkiewicz, L Horodko, M Stickland… - Experimental Thermal and …, 2014 - Elsevier
In this paper the concept of 'quasi-dynamic'pressure measurements is introduced and used
in order to obtain compressor spectral maps describing the process of surge onset in a …

Parametric study of injection angle effects on stability enhancement of transonic axial compressors

H Khaleghi, JA Teixeira, AM Tousi… - Journal of propulsion and …, 2008 - arc.aiaa.org
THE operating range of axial flow compressors is generally limited by the onset of
aerodynamic instabilities, surge, and rotating stall. Several researchers have reported that …

Codda: A flexible copula-based distribution driven analysis framework for large-scale multivariate data

S Hazarika, S Dutta, HW Shen… - IEEE transactions on …, 2018 - ieeexplore.ieee.org
CoDDA (C opula-based D istribution D riven A nalysis) is a flexible framework for large-
scale multivariate datasets. A common strategy to deal with large-scale scientific simulation …

Effect of discrete endwall recirculation on the stability of a high-speed compressor rotor

H Khaleghi - Aerospace Science and Technology, 2014 - Elsevier
A numerical study has been carried out to understand the effect of discrete endwall
recirculation on the performance of a transonic axial compressor rotor. Twenty-two …