Stability improvement without efficiency penalty of a transonic centrifugal compressor by casing treatment and impeller/diffuser coupling optimization

X Li, Z Liu, M Zhao, Y Zhao, Y He - Aerospace Science and Technology, 2022 - Elsevier
Self-recirculation casing treatment (SRCT) is usually used to improve the flow stability of
centrifugal compressors, while extra aerodynamic losses are often introduced. It is …

Methods of surge point judgment for compressor experiments

AX Liu, XQ Zheng - Experimental Thermal and Fluid Science, 2013 - Elsevier
Precise judgment of surge point is crucial for compressor performance experiments. Three
types of dynamic measurements (pressure, temperature and acoustic noise) have been …

Investigation on the casing static pressure distribution and stall behaviors in a centrifugal compressor with volute

H Zhang, C Yang, W Wang, J Chen, M Qi - International Journal of …, 2019 - Elsevier
Obtaining the casing static pressure distribution of a centrifugal compressor with volute is
beneficial in understanding the compressor stall mechanism and designing the …

Criteria for the matching of inlet and outlet distortions in centrifugal compressors

M Zhang, X Zheng - Applied Thermal Engineering, 2018 - Elsevier
The centrifugal compressor is a very common type of effective energy conversion device,
which is used in a range of industrial processing equipment and automotive turbochargers …

Stability improvement of a turbocharger centrifugal compressor by a nonaxisymmetric vaned diffuser

X Zheng, Z Sun, T Kawakubo… - Journal of …, 2018 - asmedigitalcollection.asme.org
The nonuniformity of the flow field induced by a nonaxisymmetric volute significantly
degrades the stability of a turbocharger centrifugal compressor. In this paper, a …

Vehicle's fuel consumption of car-following models

TQ Tang, JG Li, YP Wang, GZ Yu - Science China Technological Sciences, 2013 - Springer
Many car-following models with their own merits have been proposed to explore various
traffic problems, but researchers have rarely used vehicle's performance to evaluate them. In …

Influence of volute-induced distortion on the performance of a high-pressure-ratio centrifugal compressor with a vaneless diffuser for turbocharger applications

X Zheng, L Jin, H Tamaki - … , Part A: Journal of Power and …, 2014 - journals.sagepub.com
As the geometry of the volute of a turbocharger centrifugal compressor is non-axisymmetric,
it causes a distortion at the outlet of the diffuser and influences the upstream components to …

Mechanisms of sweep on the performance of transonic centrifugal compressor impellers

X He, X Zheng - Applied Sciences, 2017 - mdpi.com
Featured Application The mechanism for the optimal sweep angle of centrifugal
compressors has been proposed, which benefits high-efficiency designs of centrifugal …

Effects of volute's asymmetry on the performance of a turbocharger centrifugal compressor

X Zheng, Y Lin, Z Sun - Proceedings of the Institution of …, 2018 - journals.sagepub.com
The effects of the volute's asymmetry on the performance of a turbocharger centrifugal
compressor were studied using steady simulations and theoretical analysis. According to the …

Effects of radial gap ratio between impeller and vaned diffuser on performance of centrifugal compressors

M Hosseini, Z Sun, X He, X Zheng - Applied Sciences, 2017 - mdpi.com
A high-performance centrifugal compressor is needed for numerous industry applications
nowadays. The radial gap ratio between the impeller and the diffuser vanes plays an …