자료유형 | 학위논문 |
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서명/저자사항 | An Investigation of Flames, Deflagrations, and Detonations in High-Speed Flows. |
개인저자 | Goodwin, Gabriel B. |
단체저자명 | University of Maryland, College Park. Aerospace Engineering. |
발행사항 | [S.l.]: University of Maryland, College Park., 2018. |
발행사항 | Ann Arbor: ProQuest Dissertations & Theses, 2018. |
형태사항 | 134 p. |
기본자료 저록 | Dissertation Abstracts International 79-11B(E). Dissertation Abstract International |
ISBN | 9780438144729 |
학위논문주기 | Thesis (Ph.D.)--University of Maryland, College Park, 2018. |
일반주기 |
Source: Dissertation Abstracts International, Volume: 79-11(E), Section: B.
Adviser: Elaine S. Oran. |
요약 | A comprehensive understanding of the fundamental physics underlying combustion and detonations in turbulent and high-speed flows is crucial to the design of robust ramjet, scramjet, and detonation engines. This work uses high-fidelity, multidime |
요약 | The first section discusses the acceleration of a flame in a channel with obstacles and its transition from a laminar, expanding flame to a turbulent deflagration and eventual detonation. As the flame accelerates, a highly dynamic, shock-heated |
요약 | The second section describes how the blockage of a channel with regularly spaced obstacles, analogous to the igniter in a detonation engine, affects flame acceleration and turbulence in the region ahead of the accelerating flame. The rate of fla |
요약 | In the third section, the stability of premixed flames at high supersonic speeds in a constant-area combustor is investigated. After autoignition of the fuel-oxidizer mixture in the boundary layer at the combustor walls, the flame front eventual |
요약 | The final section discusses the effect of inflow Mach number in the supersonic combustor on ignition, flame stability, and transition to detonation of a premixed flame. Timescales for growth of the RT instability and detonation initiation increa |
일반주제명 | Aerospace engineering. Engineering. |
언어 | 영어 |
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