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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2020.12
- 수록면
- 670 - 675 (6page)
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초록· 키워드
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The mechanical thrust vector control is a classical and important branch in the vectoring control field, offering an extremely reliable control effect. In this article, a simple technology using a cylindrical rod has been numerically investigated to achieve jet controls for three-dimensional conical axisymmetric nozzles. Complex flow phenomena caused by the cylindrical rod on a flat plate and in a converging-diverging nozzle are elucidated with the purpose of a profound understanding of this technique. Published experimental data are used to validate the dependability of current CFD results. A grid sensitivity study is carried through and analyzed. The result section discusses the effects of the rod penetration height on the system performance. Significant vectoring performance variations and flow topologies descriptions are illuminated in full detail. When the rod penetration height is varying, this technique has an effective control range, namely, H/Rt ≤ 0.4. In this effective control range, the vectoring angle and the efficiency increase, and the thrust coefficient decreases with a deeper rod insertion.
목차
Abstract
1. Introduction
2. Numerical Analysis
3. Results and Discussion
4. Conclusions
References
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