Abstract Accurate predictions for radiant heat flux are necessary for determining exposure levels to personnel and infrastructure in the event of wildfires. However, detailed physics-based calculations of radiant heat flux are complex and current modelling practice involves significant simplifications in order to make these calculations tractable. We detail current practice for the calculation of radiant heat flux from wildfires and investigate modelling improvements that could benefit practical usage. Furthermore, we demonstrate that current limitations can be circumvented by more advanced physical models using newer generations of computational hardware. Such physical models could allow highly detailed and accurate calculations of radiant heat flux leading to improved risk assessments and planning in regions affected by wildfire.

中文翻译：

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野火的辐射热通量建模

摘要 准确预测辐射热通量对于确定发生野火时人员和基础设施的暴露水平是必要的。然而，辐射热通量的基于物理的详细计算是复杂的，当前的建模实践涉及显着的简化，以使这些计算易于处理。我们详细介绍了计算野火辐射热通量的当前实践，并研究了有益于实际使用的建模改进。此外，我们证明了可以通过使用新一代计算硬件的更先进的物理模型来规避当前的限制。这种物理模型可以对辐射热通量进行高度详细和准确的计算，从而改进受野火影响地区的风险评估和规划。