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22 April 2010 The use of SE-WORKBENCH for aircraft infrared signature, taken into account body, engine, and plume contributions
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Abstract
The aim of this paper is to explain how the combination of CFD++, CFD computational code, RadTherm-IR, 3D thermal computational code and SE-Workbench-EO from OKTAL-SE is an adequate solution for computing the IR signature of a jet aircraft taking all this major into account. An F16 fighter jet cruising at Ma=0.8 has been simulated in CFD++ including a multi species gas with the plume included in the CFD simulation. The solution adopted for computing the radiative transfer through the plume is based on the IRMA module of the NIRATAM software package. A revisited and extended version of IRMA has been integrated in the non real time rendering module of the SE Workbench-EO, SE-RAY-IR The paper illustrates the use of SE-RAY-IR for computing the IR signature of the F16, including the plume, either as an isolated target in the sky or with the background behind.
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Thierry Cathala, Nicolas Douchin, André Joly, and Sven Perzon "The use of SE-WORKBENCH for aircraft infrared signature, taken into account body, engine, and plume contributions", Proc. SPIE 7662, Infrared Imaging Systems: Design, Analysis, Modeling, and Testing XXI, 76620U (22 April 2010); https://doi.org/10.1117/12.850691
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