DETERMINATION OF FLOW IN THE INDUSTRIAL BLOWER BY USING COMPUTATIONAL FLUID DYNAMICS

MECHANICAL

The blower system consists of mainly three parts suction hood, impellor and volute which determine the characters of the blower. It is very important to predict the air flow for a blower before its application. A study on the industrial centrifugal blower is done to accurately predict the air flow and mass flow using Computational Fluid Dynamics (CFD) tool. The detailed model of blower is created with the help of a 3D CAD Software and a 3D CFD Fluent code is used to solve different governing equations and predict the flow at outlet of the blower. The numerical results obtained with the help of CFD are compared with the characteristic curve supplied by the manufacturer. Centrifugal blowers are used extensively in industries and heating, ventilation and air conditioning applications due to their simplicity and low costs. The blowers are mainly used for air or gas handling, cooling and exhaust purpose. This type of turbo machine has small chord line length, high width and blades that are joined together with shroud and hub. Due to versatility of use of blower, a detailed research work is still needed in this direction.

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