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Advancement in Fabrication and Characterization Techniques of Nanocomposites. [PDF]
ACS OmegaAwasthi S, De S, Pandey SK.
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Combustion and Flame, 2021
Abstract Numerical simulations with detailed chemistry are conducted for two-dimensional rotating detonative combustion with separate injection of fuel and oxidant. The influences of the fuel and oxidant compositions on combustion mode and detonation wave multiplicity are studied. It is found that in the parts of the flow beyond the fuel refill zone,
Majie Zhao +2 more
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Abstract Numerical simulations with detailed chemistry are conducted for two-dimensional rotating detonative combustion with separate injection of fuel and oxidant. The influences of the fuel and oxidant compositions on combustion mode and detonation wave multiplicity are studied. It is found that in the parts of the flow beyond the fuel refill zone,
Majie Zhao +2 more
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Modelling of a rotating detonation engine combustion chamber
Вычислительные технологии, 2021Рассмотрено трехмерное численное моделирование камеры сгорания двигателя с непрерывной детонационной волной с помощью авторского программного пакета. Программное обеспечение использует для многокомпонентного химически реактивного газа математическую модель с опциональным подключением модели турбулентности.
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Measuring Rotating Detonation Combustion Using Cross-Correlation
Flow, Turbulence and Combustion, 2019The cyclic propagation of detonation waves in the Rotating Detonation Combustor (RDC) make it an ideal candidate for using the cross-correlation technique. However, the potential for complicated operating modes combined with difficult diagnostic access introduces the possibility for ambiguous outcomes of the analysis.
Myles D. Bohon +3 more
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Rotating detonation engine fed by acetylene-oxygen combustible mixture modeling
AIP Conference Proceedings, 2020A three-dimensional numerical simulation of the combustion chamber of a promising engine with a rotating detonation wave is performed. The calculations are based on the Navier – Stokes system of equations for multi-species gas with turbulence modeling and chemical interactions. Acetylene is used as a fuel.
Elena V. Mikhalchenko +1 more
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Numerical Investigation of Rotating Detonation Combustion in Annular Chambers
Volume 1A: Combustion, Fuels and Emissions, 2013This article presents two dimensional (2D) and three-dimensional (3D) computational analysis of rotating detonation combustion (RDC) in annular chambers using the commercial computational fluid dynamics (CFD) solver ANSYS-Fluent V13. The applicability of ANSYS-Fluent to predict the predominant phenomena taking place in the combustion chamber of a ...
Sergio Escobar +4 more
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Effect of inlet and outlet boundary conditions on rotating detonation combustion
Combustion and Flame, 2020Abstract In this work, the effect of different injector geometries and different outlet restrictions on the operating modes of a hydrogen-air Rotating Detonation Combustor (RDC) is investigated. The different operating modes are identified based on pressure measurements in the combustor annulus and the reactant supply, combined with high-speed video ...
Richard Bluemner +3 more
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Investigation of rotating detonation fueled by the pre-combustion cracked kerosene
Aerospace Science and Technology, 2019Abstract In this study, a method of pre-combustion cracking is adopted in the investigation of the rotating detonation fueled by kerosene. The basic characteristics of the rotating detonation wave (RDW) including the wave speed, pressure, and propagating modes are researched.
Yepan Zhong +5 more
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Pressure Gain Combustion within a Rotating Detonation Engine for Rocket Performance Testing
22nd AIAA International Space Planes and Hypersonics Systems and Technologies Conference, 2018Early exploration of pressure gain within a RDE is investigated to determine maximum efficiency. By use of high speed imaging aimed down into the detonation channel of the RDE an operability map was created. Multiple regimes of combustion were realized within the operability map.
Dunn, Ian B. +3 more
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Investigation of Rotating Detonation Combustion Dynamics using advanced in-situ Optical Diagnostics
2021Rotating detonation combustors (RDCs) provide a promising avenue for incorporating step changes in thermodynamic efficiency improvements through isochoric heat release for gas turbine and rocket propulsion systems. However, these systems have multiple challenges that need to be addressed to realize practical pressure gain systems.
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