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- W4306918356 endingPage "674" @default.
- W4306918356 startingPage "639" @default.
- W4306918356 abstract "A rotating detonation engine (RDE) is a realization of pressure-gain combustion, wherein a traveling detonation wave confined in a chamber provides shock-based compression along with chemical heat release. Due to the high wave speeds, such devices can process high mass flow rates in small volumes, leading to compact and unconventional designs. RDEs involve unsteady and multiscale physics, and their operational characteristics are determined by an equilibrium between large- and small-scale processes. While RDEs can provide a significant theoretical gain in efficiency, achieving this improvement requires an understanding of the multiscale coupling. Specifically, unavoidable nonidealities, such as unsteady mixing, secondary combustion, and multiple competing waves associated with practical designs, need to be understood and managed. The secondary combustion processes arise from fuel/air injection and unsteady and incomplete mixing, and can create spurious losses. In addition, a combination of multiple detonation and secondary waves compete and define the dynamical behavior of mixing, heat release distribution, and the overall mode of operation of the device. This review discusses the current understanding of such nonidealities and describes the tools and techniques used to gain insight into the extreme unsteady environment in such combustors." @default.
- W4306918356 created "2022-10-21" @default.
- W4306918356 creator A5017416411 @default.
- W4306918356 creator A5036513384 @default.
- W4306918356 creator A5082990554 @default.
- W4306918356 date "2023-01-19" @default.
- W4306918356 modified "2023-10-14" @default.
- W4306918356 title "Nonidealities in Rotating Detonation Engines" @default.
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