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- W3183975008 abstract "In recent years, pressure gain combustion and rotating detonation engines (RDEs) have received increased attention due to potential performance advantages in gas turbine engine cycles and rocket applications. As a result, technical advances have been realized at a rapid pace, driven largely by application of advanced diagnostics and the development of high-fidelity computational fluid dynamics (CFD) simulations. A major technical challenge still lies in reducing inlet pressure losses. Currently, most research-grade RDEs employ highly restrictive inlet geometries to limit reactant interruption due to the high-pressure detonation wave. As a result, the inlet pressure loss tends to outweigh any gain created by the combustion process. Making geometric changes to the inlet geometry is time and resource intensive, both experimentally and in CFD simulations. As a result, there are few examples in the open literature examining a wide range of inlet restriction and/or varying inlet geometries; for CFD simulations, the computational expense of such an endeavor may also be a limiting factor. This paper presents the results of a parametric study on the effects of inlet restriction, along with a number of other controlling parameters, using a previously developed reduced-order RDE inlet model. The results of this study will be used to inform subsequent high-fidelity CFD simulations and/or selection of experimental operating conditions which may be conducive to maximizing performance." @default.
- W3183975008 created "2021-08-02" @default.
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- W3183975008 date "2021-07-28" @default.
- W3183975008 modified "2023-09-23" @default.
- W3183975008 title "Parametric Evaluation of RDE Inlet Performance using a Reduced-Order Model" @default.
- W3183975008 cites W1976487665 @default.
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- W3183975008 doi "https://doi.org/10.2514/6.2021-3649" @default.
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