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Electromagnetic Launch Vehicle Fairing and Acoustic Blanket Model of Received Power using FEKO

机译:使用FEKO的电磁运载火箭整流罩和受电声毯模型

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摘要

Evaluating the impact of radio frequency transmission in vehicle fairings is important to electromagnetically sensitive spacecraft. This study employs the multilevel fast multipole method (MLFMM) from a commercial electromagnetic tool, FEKO, to model the fairing electromagnetic environment in the presence of an internal transmitter with improved accuracy over industry applied techniques. This fairing model includes material properties representative of acoustic blanketing commonly used in vehicles. Equivalent surface material models within FEKO were successfully applied to simulate the test case. Finally, a simplified model is presented using the Nicholson Ross Weir derived blanket material properties. These properties are implemented with the coated metal option to reduce the model to one layer within the accuracy of the original three layer simulation.
机译:评估射频整流罩在整流罩中的影响对电磁敏感的航天器很重要。这项研究采用了商用电磁工具FEKO的多级快速多极方法(MLFMM),以在存在内部发射器的情况下对整流电磁环境进行建模,其精度高于工业应用技术。该整流罩模型包括代表车辆中常用隔音毯的材料属性。 FEKO中的等效表面材料模型已成功应用于模拟测试案例。最后,使用Nicholson Ross Weir得出的橡皮布材料特性给出了简化模型。这些特性是通过带涂层的金属选件实现的,可以在原始三层模拟的精度范围内将模型缩减为一层。

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