基于增强型离散相模型和化学燃烧的红外诱饵弹建模方法

doi:10.7527/S1000-6893.2020.23682

Abstract

Abstract: Infrared (IR) decoys are a main IR countermeasure weapon. Establishing an accurate model of infrared decoy missiles will play an important role in the research of infrared guidance algorithms. However, the current Computational Fluid Dynamics (CFD) model of infrared decoys does not take the influence of infrared pyrotechnics combustion into consideration, directly leading to the decline in IR decoy modeling accuracy theoretically. Aiming at this problem, this study establishes a more accurate IR decoy simulation model by adding a chemical combustion phase based on the enhanced Discrete Phase Model (DPM) IR decoy model. Results show that the simulation accuracy of graphic characteristics of the new model is obviously improved compared to the traditional one.

Key words: modeling of infrared decoys, discrete phase model, computational fluid dynamics, chemical combustion, equivalent blackbody radiation

CLC Number:

YANG Chunling, ZHANG Zhendong, ZHANG Tongyiyu. Infrared decoy modeling method based on enhanced discrete phase model and chemical combustion[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2020, 41(12): 123682-123682.

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Infrared decoy modeling method based on enhanced discrete phase model and chemical combustion

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