Synthetic image generation of factory stack and cooling tower plumes

Shiao Didi Kuo; John R. Schott

doi:10.1117/12.280928

23 July 1997 Synthetic image generation of factory stack and cooling tower plumes

Shiao Didi Kuo, John R. Schott

Proceedings Volume 3082, Electro-Optical Technology for Remote Chemical Detection and Identification II; (1997) https://doi.org/10.1117/12.280928
Event: AeroSense '97, 1997, Orlando, FL, United States

Abstract

A new model for generating synthetic images of plumes has been developed using a radiometrically based ray-tracing algorithm. Existing plume models that describe the characteristics of the plume (constituents, concentration, particulate sizing, and temperature) are used to generate AutoCAD models for input into the code. The effects of scattered light using Mie theory and radiative transfer, as well as thermal self-emission/absorption from within the plume, are modeled for different regions of the plume. The ray-tracing accounts for direct sunlight, scattered skylight, reflected sunlight from the background, and thermal self-emission from both the atmosphere and background. Synthetic generated images of a cooling tower plume, composed of water droplets, and a factor stack plume, composed of methyl chloride, are produced for visible, MWIR, and LWIR bands. Images of the plume from different view angles are also produced. Observations are made on the interaction between the plume and its background and possible effects for remote sensing. Images are made of the methyl chloride plume in which the concentration and temperature are varied to determine the sensitivity of the radiance reaching the sensor.

Citation Download Citation

Shiao Didi Kuo and John R. Schott "Synthetic image generation of factory stack and cooling tower plumes", Proc. SPIE 3082, Electro-Optical Technology for Remote Chemical Detection and Identification II, (23 July 1997); https://doi.org/10.1117/12.280928

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