1109 設計情報学を用いた単段式ハイブリッドロケットの概念設計

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  • 1109 Conceptual Design of Single-Stage Launch Vehicle with Hybrid Rocket Engine Using Design Informatics

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A single-stage launch vehicle with hybrid rocket engine has been conceptually designed by using design informatics, which has three points of view as problem definition, optimization, data mining. The primary objective of the present design is that the sufficient down range and also duration time in the lower thermosphere are achieved for the aurora scientific observation whereas the initial gross weight is held down. The multidisciplinary design optimization and data mining were performed by using evolutionary hybrid computation under the conditions that polypropylene as solid fuel and liquid oxygen as liquid oxidizer were adopted and that single-time ignition is implemented in sequence. Consequently, the design information regarding tradeoffs and the design variables was obtained in order to quantitatively differentiate the advantage of hybrid rocket engine.

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