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Application of Taguchi method in optimization of design parameter for turbocharger vaned diffuser

Hilmi Amiruddin (Faculty of Mechanical Engineering, Universiti Teknikal Malaysia Melaka, Durian Tunggal, Malaysia and Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bangi, Malaysia)
Wan Mohd Faizal Wan Mahmood (Department of Mechanical and Materials Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bangi, Malaysia)
Shahrir Abdullah (Department of Mechanical and Materials Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bangi, Malaysia)
Mohd Radzi Abu Mansor (Department of Mechanical and Materials Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bangi, Malaysia)
Rizalman Mamat (Faculty of Mechanical Engineering, Universiti Malaysia Pahang, Pekan, Malaysia)
Azri Alias (Faculty of Mechanical Engineering, Universiti Malaysia Pahang, Pekan, Malaysia)

Industrial Lubrication and Tribology

ISSN: 0036-8792

Article publication date: 8 May 2017

228

Abstract

Purpose

The purpose of this study is to determine the best vaned diffuser design that can generate higher pressure output at a predetermined speed.

Design/methodology/approach

Several vaned diffusers of thin, flat-type design with different number of blades and blade angle were fabricated. The vaned diffusers were fitted inside the turbocharger compressor and test on a cold-flow turbocharger test rig. A Taguchi L27 orthogonal array is selected for analysis of the data. Influence of number of blades, blade angle and rotational speed on output pressure is studied using the analysis of variance (ANOVA) technique. Finally, confirmation tests are conducted to validate the experimental results.

Findings

The optimum design parameters of the vaned diffuser using signal-to-noise ratio analysis were six blades type, blade angle of 18° and rotational speed of 70,000 rpm. Results from ANOVA showed that the speed has the highest influence on output pressure. The number of blades and blade angle produced the least effect on the pressure output.

Originality/value

The study used the turbocharger with the impeller size 60 mm and adapted vaned diffuser to increase the output pressure.

Keywords

Acknowledgements

This research was supported by the Ministry of Science, Technology and Innovation (grant number: 03-01-02 SF0995). The authors are pleased to acknowledge the scholarship from the Ministry of Higher Education Malaysia and Universiti Teknikal Malaysia Melaka (UTeM) for Hilmi Bin Amiruddin for his PhD study. Further acknowledgement goes to the Faculty of Mechanical Engineering, Universiti Malaysia Pahang (UMP), for providing the cold-flow turbocharger test rig facility.

Citation

Amiruddin, H., Wan Mahmood, W.M.F., Abdullah, S., Abu Mansor, M.R., Mamat, R. and Alias, A. (2017), "Application of Taguchi method in optimization of design parameter for turbocharger vaned diffuser", Industrial Lubrication and Tribology, Vol. 69 No. 3, pp. 409-413. https://doi.org/10.1108/ILT-09-2016-0224

Publisher

:

Emerald Publishing Limited

Copyright © 2017, Emerald Publishing Limited

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