Effect of Volute Tongue Clearance Variation on Performance of Centrifugal Blower by Numerical and Experimental Analysis. (2018)

• Record Type: Journal Article
• Authors: Patil, Sunil R.; Chavan, Sandip T.; Jadhav, Nitin S.; Vadgeri, Shivaraj S.
• Is Part Of: Materials today. Volume 5:Number 2(2018)Part 1
• Page Start: 3883
• Page End: 3894
• Publication Date: 2018
• Subjects: Centrifugal blower -- CFD -- Blower performance -- Volute tongue clearance; Materials science -- Congresses -- Periodicals; 620.1
• DOI: 10.1016/j.matpr.2017.11.643
• Languages: English
• ISSNs: 2214-7853

Abstract

Abstract: This paper focus on the effect of volute tongue clearance variation on the performance of backward-curved blades centrifugal blower. The four types of casings of the centrifugal blower with different volute tongue clearances of 6%, 8%, 10% and 12.5% of impeller diameter were used for numerical and experimental analysis. Computational fluid dynamics model was developed for for the numerical analysis based on experimental setup. Reynolds-averaged Navier-Stokes equations with the standard k-ε turbulence model were discretized with finite volume approximations. The Numerical results were validated with the experimental results by using IS: 4894-1987. The performance parameters such as total pressure, efficiency and flow rate of the blower were calculated. The results show that the volute tongue clearance has a significant effect on the performance of centrifugal blower and these parameters increases with decrease in volute tongue clearances.