Recirculation vortices of flue gases in fire-tube boiler furnace

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Abstract

It is well known fact that appropriate organization of furnace aerodynamics can influence burning stability. Therefore, improving aerodynamic characteristics of the furnace is a main task in elaborating the boiler construction. For this task experimental study of three-dimensional burning flame dynamics should be performed. In this work turbulent combustion of natural gas in fire-tube boiler was simulated by means of the ANSYS Fluent software. The subject of studying was: complex of characteristics with space-time fields of the aerodynamic structure, range and aperture angle of the flame, pressure distribution, turbulent intensity and quite a number of other operation factors. The numerical computation results display the processes within the fire-tube furnace. Inertia of fuel-air jet at the furnace entrance provokes formation of axisymmetric scorching vortices, circulating to the burner slot. The article provides a method for predicting the vortex formation and evaluation of its integral characteristics, including the effect on the aerodynamics and heat transfer processes.

Original languageEnglish
Title of host publicationProceedings of 2014 International Conference on Mechanical Engineering, Automation and Control Systems, MEACS 2014
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Print)9781479962211
DOIs
Publication statusPublished - 15 Dec 2014
Event2014 International Conference on Mechanical Engineering, Automation and Control Systems, MEACS 2014 - Tomsk, Russian Federation
Duration: 16 Oct 201418 Oct 2014

Other

Other2014 International Conference on Mechanical Engineering, Automation and Control Systems, MEACS 2014
CountryRussian Federation
CityTomsk
Period16.10.1418.10.14

Keywords

  • aerodynamics
  • fire-tube boiler
  • furnace
  • Numerical simulation
  • recirculation
  • reversive flame
  • vortex

ASJC Scopus subject areas

  • Mechanical Engineering
  • Electrical and Electronic Engineering
  • Control and Systems Engineering

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  • Cite this

    Zavorin, A. S., Khaustov, SA., & Zaharushkin, N. A. (2014). Recirculation vortices of flue gases in fire-tube boiler furnace. In Proceedings of 2014 International Conference on Mechanical Engineering, Automation and Control Systems, MEACS 2014 [6986908] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/MEACS.2014.6986908