IHT: Tools for Computing Insolation Absorption by Particle Laden Flows

Research output: NRELTechnical Report


This report describes IHT, a toolkit for computing radiative heat exchange between particles. Well suited for insolation absorption computations, it is also has potential applications in combustion (sooting flames), biomass gasification processes and similar processes. The algorithm is based on the 'Photon Monte Carlo' approach and implemented in a library that can be interfaced with a variety ofcomputational fluid dynamics codes to analyze radiative heat transfer in particle-laden flows. The emphasis in this report is on the data structures and organization of IHT for developers seeking to use the IHT toolkit to add Photon Monte Carlo capabilities to their own codes.
Original languageAmerican English
Number of pages18
StatePublished - 2013

NREL Publication Number

  • NREL/TP-2C00-60467


  • CFD
  • computational fluid dynamics
  • computational science
  • IHT


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