Open Access Open Access  Restricted Access Subscription or Fee Access

Numerical and Experimental Studies of a Turbocharger Centrifugal Compressor for Combustion Engine Boost

Alexandr Leonidovich Kartashev(1), Andrey Anatolievich Martynov(2*), Oleg Grigorievich Mashkov(3)

(1) South Ural State University (National Research University), Russian Federation
(2) South Ural State University (National Research University), Russian Federation
(3) South Ural State University (National Research University), Russian Federation
(*) Corresponding author



Increasing efficiency and extending the stable operating range of a turbocharger centrifugal compressor for combustion engine boost is one way to improve engines economical operation indices. In order to increase the centrifugal compressor’s efficiency, this work involves the numerical studies of the flow structure in the most widespread types of vaned diffusers: one-row, two-row, three-row, splitter and wedge diffuser. To confirm the adequacy of the numerical modeling results, the authors verified the design model and formulated recommendations on its settings to ensure the best correspondence between calculation results and experimental data. To extend the stable operating range of the centrifugal compressor, the authors performed numerical and experimental studies of casing treatments - ported shrouds and ring grooves in the shroud. The research findings demonstrated the high efficiency of the ported shroud, which allows the extension of the stable operating range by 4.5%. The authors carried out experimental studies of the influence of the centrifugal compressor diffuser type – vaned and vaneless – on the ported shroud efficiency. The displacement of the surge line is achieved in the configuration with the vaneless diffuser due to the implementation of the ported shroud is 10-12% greater than in the configuration with the vaned diffuser. The article is also of interest for designers of centrifugal compressors of turboshaft and small-sized turbojet engines, for which the problem of increasing the efficiency and extending the stable operating range of the compressor is also actual.
Copyright © 2018 Praise Worthy Prize - All rights reserved.


Casing Treatments; Centrifugal Compressor; Computational Fluid Dynamics; Turbocharger; Vaned Diffuser

Full Text:



Y. Wang et al, Design and Optimization of a Single Stage Centrifugal Compressor for a Solar Dish-Brayton System, Journal of Thermal Science 22(5) (2013), 404-412.

R. Venkateswara et al, Numerical Studies of Twisted Vaned Diffuser on the Performance of a Centrifugal Compressor Stage, Universal Journal of Mechanical Engineering 2(5) (2014), 163-168.

L.H. Javad, S. Abdullah, R. Zulkifli, W.M.F. Wan Mahmood, Numerical Simulation of Flow Inside a Vaned Diffuser of a Modified Centrifugal Compressor, 18th Australian Fluid Mechanics Conference, Launceston, Australia (2012). ISBN: 978-064658373-0.

D. Hlavacek, A Computational Model of a Centrifugal Compressor Stage for Aircraft Engines, (2015).

E.A. Lurie, P.R. Van Slooten, G. Medic, J.M. Mulugeta, B.M. Holley, J. Feng, O.Sharma, Design of a High Efficiency Compact Centrifugal Compressor for Rotorcraft Applications, 67th Annual international forum of American Helicopter Society, Virginia Beach, VA (2011). ISBN: 9781617828812.

P. Li et al, A New Optimization Method for Centrifugal Compressors Based on 1D Calculations and Analyses, Energies 8(5) (2015), 4317-4334.

H. Tamaki et al, Aerodynamic Design of Centrifugal Compressor for AT14 Turbocharger, IHI Engineering Review 43(2) (2010), 70-76.

F.B. Fisher, Application of Map Width Enhancement Devices to Turbocharger Compressor Stages, Soc. Of Automotive Engineers Paper 880794, 1988.

W.C. Oakes et al, High Speed Centrifugal Compressor Surge Initiation Characterization, Journal of Propulsion and Power 18(5) (2002), 1012-1018.

M. Yang et al, Effect of Self-Recirculation-Casing Treatment on High Pressure Ratio Centrifugal Compressor, Journal of Propulsion and Power 32(3) (2016), 602-610.

X.Q. Zheng et al, Stability Improvement of High-Pressure-Ratio Turbocharger Centrifugal Compressor by Asymmetric Flow Control – Part II: Non-Axisymmetric Self Recirculation Casing Treatment, Journal of Turbo machinery 135(1) (2013), 021007-012014.

L. Hu et al, Numerical and experimental investigation of a compressor with active self-recirculation casing treatment for a wide operation range, Automobile Engineering 227(9) (2013), 1227-1241.

V.V.N.K.S. Koyyalamudi et al., Stall Margin Improvement in a Centrifugal Compressor through Inducer Casing Treatment, International journal of rotating machinery (2016), 1-19.

J. Noushad et al, Casing Treatment of Centrifugal Compressors, ASME 2015 Gas Turbine India Conference, Hyderabad, India, 1-10 (2015). GTINDIA2015-1337

P. Gao et al, Numerical investigation of the different casing treatment in a centrifugal compressor, Asia-Pacific Conference on Wearable Computing Systems, 51-54 (2010).

C. Park et al, Numerical study on the range enhancement of a centrifugal compressor with a ring groove system, Journal of Mechanical Science and Technology 26(5) (2012), 1371-1378.

R. Hunziker et al, “Numerical and Experimental Investigation of a Centrifugal Compressor with an Inducer Casing Bleed System,” Proceedings of the Institution of Mechanical Engineers 215, Part A, 783-791 (2015).

NUMECA Fine/Turbo v 10.1 User Guide, NUMECA Int.,

B. Sharoglazov et al, Non-motorized study of supercharging piston engine compressor parameters, Procedia Engineering 129, 718-723 (2015).

J.A. Bourgeois, Numerical Mixing Plane Studies With Validation For Aero-Engine Centrifugal Compressor Design, A thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering Science, The University of Western Ontario, London, Ontario, 2008.

B.B. Van der Merwe, Design of a Centrifugal Compressor Impeller for Micro Gas Turbine Application, Thesis presented in fulfillment of the requirements for the degree of Master of Science in Engineering in the Faculty of Mechanical and Mechatronic Engineering at Stellenbosch University, Stellenbosch, 2012.

O. Borm et al, Unsteady aerodynamics of a centrifugal compressor stage – validation of two different CFD solvers, Proceedings of ASME Turbo Expo, 1-12 (2012).

Yu. Bykov, Flow Modeling in Compressor Grids Using Various Turbulence Models, East-European Journal of Advanced Technologies 6/7 (2010), 47-50.

S. Metallikov et al., Calculation and Contouring of Two-Row Radial Diffusers, Engine-Building 8 (1980), 36-39.

A.F. Kuftov et al, Contouring of Vaned Diffusers of Diagonal and Radial Compressors, Bulletin of Bauman Moscow State Technical University. Series “Mechanical Engineering” 4 (2004), 107-112. ISSN: 0236-3941

D. Japikse et al, Diffuser Design Technology (second edition), Concepts ETI Inc. White River Junction, Vermont, USA, 2000.

P.X.L. Harleyet al, Axial Groove Casing Treatment in an Automotive Turbocharger Centrifugal Compressor, Journal of Mechanical Engineering Science 0(0) (2017), 1-13.

Avinash Kumar R, Shobhavathy M Thimmaiah, Ajith Kumar Raghavan, Flow Behaviour of the Transonic Axial Compressor Stage with Different Turbulence Models, Forty Second National Conference on Fluid Mechanics and Fluid Power, Volume: FMFP2015 – Paper no.19.

S.V. Ramana Murthy, S. Kishore Kumar, Effect of Different Turbulence Models on the Numerical Analysis of Axial Flow Turbine Stage of a Typical Turbofan Engine, ASME 2013 Gas Turbine India Conference, Bangalore, Karnataka, India, December 5–6, 2013, ISBN: 978-0-7918-3516-1

B.B.Novickii, Comparison of Turbulence Models in Simulation of Flow in Small-Size Centrifugal Compressor, Science & Education, Bauman Moscow State Technical University 6 (2015), 67-82.


  • There are currently no refbacks.

Please send any question about this web site to
Copyright © 2005-2020 Praise Worthy Prize