Modeling of spectral emission images from fully 3D gaseous combustion plumes

摘要

The prediction of infrared emissions from gaseous plumes is an important tool for remote sensing, heat transfer, and vulnerability assessment. We have developed a software model called "RAD3D" that generates hyperspectral images of 3D gaseous plumes. The model directly ray-traces through gas volumes input in the PLOT3D format. In addition to single and arrays of lines of sight, the model will automatically generate additional lines of sight to resolve image structure. Outputs of the model include hyperspectral and in-band radiances and transmittances, along with range-to-plume images. Opaque body regions may be embedded within the gas volume.