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

Hilmi, Amiruddin and Wan Mohd Faizal, Wan Mahmood and Shahrir, Abdullah and Mohd Radzi, Abu Mansor and R., Mamat and Azri, Alias (2017) Application of Taguchi method in optimization of design parameter for turbocharger vaned diffuser. Industrial Lubrication and Tribology, 69 (3). pp. 409-413. ISSN 0036-8792

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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.

Item Type: Article
Additional Information: Indexed by Scopus
Uncontrolled Keywords: Pressure; Blade angle; Turbocharger; Vaned diffuser
Subjects: T Technology > TJ Mechanical engineering and machinery
Faculty/Division: Faculty of Mechanical Engineering
Depositing User: Mrs. Neng Sury Sulaiman
Date Deposited: 05 Jun 2018 02:42
Last Modified: 05 Jun 2018 02:42
URI: http://umpir.ump.edu.my/id/eprint/19997
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