DTIC ADA1011642: Analysis and Modeling of Battlefield pdf

DTIC ADA1011642: Analysis and Modeling of Battlefield

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This report presents models for the hot turbulent plumes above tactical battlefield fires. Models are developed for the plume radius, temperature, and rise velocity as a function of altitude given the initial fire conditions. The strength of the hot air turbulence is related to the plume parameters for several assumed flow conditions. The turbulent propagation effects are evaluated for optical beams whose paths intersect the plume. Sample results are presented for coherence length, short- and long-term beam spreading, and beam jitter. (Author

• Creator/s: Defense Technical Information Center
• Date: 2/1/1981
• Year: 1981
• Book Topics/Themes: DTIC Archive, Thompson, James H, GENERAL ELECTRIC CO SANTA BARBARA CA TEMPO, *LASER BEAMS, *LIGHT TRANSMISSION, *PLUMES, *ATMOSPHERE MODELS, THERMAL PROPERTIES, VELOCITY, MATHEMATICAL MODELS, OPTICAL PROPERTIES, TEMPERATURE, ELECTROOPTICS, BATTLEFIELDS, COHERENCE, REFRACTIVE INDEX, TURBULENCE, TURBULENT FLOW, ATMOSPHERIC MOTION, MATHEMATICAL PREDICTION, HOT GASES, FIRES, OPTICAL DETECTORS, ALTITUDE, RAY TRACING, RADIUS(MEASURE

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