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논문 기본 정보

저자정보
(Andong National University) (Andong National University) (Zhejiang Sci-Tech University) (Saga University)
저널정보
한국가시화정보학회 한국가시화정보학회 학술발표대회 논문집 2016년 한국가시화정보학회 춘계학술대회
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    초록·키워드

    The supersonic impinging jets always occur when crafts are starting short takeoff and vertical landing from the ground. The adverse flow conditions happen to decrease the performance of aircrafts, such as impinging force, high noise spectrum and high shear stresses. Due to rare results on particle-gas impinging jet flows to date, numerical simulations were performed to investigate the supersonic impinging jet flows of particle-gas two phases in the present studies. Convergent-divergent supersonic and convergent sonic nozzles were used to induce the supersonic jet flows. Discrete phase model (DPM) was used to simulate the particle-gas flows. Different particle diameters were investigated. The flow Mach number and pressure coefficients on the ground surface were obtained to describe phenomena inside impinging and wall jet flows. The particle motion was obtained in details from the present simulations.

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      UCI(KEPA) : I410-ECN-0101-2016-505-002891046