A numerical study of microgravity spherical diffusion flame structure with various radiation approximations

S. Tang, M. Chernovsky, Hong Im, A. Atreya

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In this study, a one-dimensional spherical diffusion flame model was constructed and validated with experimental results. The experiments were carried out in the NASA-Glenn 2.2-second drop tower in which both diffusion flame radius and temperature field were measured as a function of time. The simulation model is capable of both steady and transient calculations in which different approximations for radiation modelling are evaluated. Test simulation results showed that the statistical narrow-band (SNB) combined with discrete ordinates method (DOM) reproduced the experimental results most accurately. It was found that a steady state spherical diffusion flame is not established within the time duration under study. The results provide detailed information about the interaction between gas radiation and flame extinction under microgravity conditions.

Original languageEnglish (US)
Title of host publication5th US Combustion Meeting 2007
PublisherCombustion Institute
Pages198-207
Number of pages10
ISBN (Electronic)9781604238112
StatePublished - Jan 1 2007
Event5th US Combustion Meeting 2007 - San Diego, United States
Duration: Mar 25 2007Mar 28 2007

Publication series

Name5th US Combustion Meeting 2007
Volume1

Other

Other5th US Combustion Meeting 2007
CountryUnited States
CitySan Diego
Period03/25/0703/28/07

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Physical and Theoretical Chemistry
  • Mechanical Engineering

Fingerprint

Dive into the research topics of 'A numerical study of microgravity spherical diffusion flame structure with various radiation approximations'. Together they form a unique fingerprint.

Cite this