Study of turbulence-radiation interactions in a heated jet using direct numerical simulation coupled to a non-gray Monte-Carlo solver
作者： J.M. Armengol , R. Vicquelin , A. Coussement , R.G. Santos , O. Gicquel
DOI: 10.1016/J.IJHEATMASSTRANSFER.2020.120297
关键词:
摘要: Abstract Direct Numerical Simulations of a strongly heated jet water vapor discharging into low-speed coflow cold is fully coupled with reciprocal Monte-Carlo method to account for radiative heat transfer. The spectral dependency the properties modeled using Correlated-k method. Such numerical and modeling setup allows studying accurately turbulent development submitted Contrary previous study by Armengol et al. [International Journal Heat Mass Transfer 139 (2019), pp. 456–474], present conditions show direct effect thermal radiation in developed zone located downstream potential core. Results are analyzed identify effects on turbulence temperature field, reciprocally. analysis reveals complex coupling between mean field power as well their fluctuations. This studied various profiles average root-mean-square properties, completed considering budgets enthalpy variance spectra.
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