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Influence Estimate of Spectral Model of Combustion Product Radiation on Results of DKVR-10/13 Steam Boiler Furnace Simulating

  • D. A. Akhmedzaynov
  • A. E. Kishalov
  • V. D. LipatovEmail author
Conference paper
Part of the Lecture Notes in Mechanical Engineering book series (LNME)

Abstract

This article shows the results of studies of heat transfer in the furnace of a DKVR-10/13 steam boiler. The studies were performed using numerical simulation methods. The influence of the computational method of heat exchange by radiation, as well as the spectral model of radiation on the simulation results, was studied. Monte Carlo and discrete transfer methods were chosen as the methods for calculating the heat exchange of radiation. The number of stories and rays for the Monte Carlo and discrete transfer models was 50,000 and 8, respectively. A simple gray-gas model and a weighted-sum gray-gas model were chosen as spectral radiation models. A total of four calculations were performed. For each variant studied, the radiation intensity, maximum temperature, heat removal from the screens, the gas temperature at the outlet of the furnace, and the temperature distribution of gases along the height of the furnace were estimated. Using the engineering method, the results are compared with the results of calculations.

Keywords

Numerical simulation ANSYS CFX Thermal radiation Spectral model Furnace Monte Carlo model Gray gas 

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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  • D. A. Akhmedzaynov
    • 1
  • A. E. Kishalov
    • 1
  • V. D. Lipatov
    • 1
    Email author
  1. 1.Ufa State Aviation Technical UniversityUfaRussia

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