High-energy chemical laser is a phenomenon that uses a large amount of chemical atomic stimulated radiation to generate luminescence. To analyze this process
a multi-physical coupling calculation is constructed. The numerical platform consists of chemical flow
optical and thermal-structural calculation. However
the characteristic time difference of the three physical processes will make it difficult to decide the time scale for the coupled simulation. Therefore
an asynchronous multi-time scale coupling strategy is proposed. Three-dimensional
high resolution and large-scale chemical laser numerical simulations have been performed. In this paper
a chemical oxygen-iodine laser simulation is carried out. The flow field
optical field and the cavity mirrors of the laser are numerically analyzed. The calculation can evaluate the most important parameters of the laser
including power and beam quality. The constructed numerical method is an important tool to investigate and optimize chemical lasers.
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references
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