CFD Analysis On The Flow Of Gas In Economizer With Different Duct Geometry

Abstract

The use of Computational Fluid Dynamics (CFD) analysis is prevalent in studying the flow of gases in various systems. In this study, the focus is on analyzing the flow of gas in economizers with different duct geometries. Economizers are heat exchangers used for recovering heat within exhaust gases prior being released into environment. Different duct geometries have been proposed for enhancing efficacy of economizers, but their effectiveness is often not well understood.
The CFD analysis involves solving the governing equations of fluid flowing & heat transmission in the economizer. The different duct geometries are modeled and analyzed to determine their impact on flowing of gas & heat transmission efficacy of economizer. The study also aims to identify the optimal duct geometry that can enhance efficacy of economizer.
Energy saving and efficiency are the key issues in power generating not just with perspective of fuel consumption, even with protection of global environment. Flue gas ducts are the major parts of oil-fired power plant, which have been utilized into exhaust flue gases from boiler. This paper presents an approach for the economizer duct design. CFD analysis is used to compare new economizer channel design with traditional strategies. The most economical solution of this problem seems to distribute gas flow uniformly at inlet of economizer by using vanes. So that efficient heat transmission can be obtained In the present work commercial software ANASYS is utilised in 3D simulation using its inbuilt K-єReliable model.