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- W4320160448 abstract "The conceptual design of a hydrogen-fueled dual-duct detonation ramjet (DR) of a new type for a cruising flight speed of Mach 2 at sea level is developed using multivariant three-dimensional (3D) numerical simulations of the operation process. The possibility of arranging the continuous-detonation (rotating or longitudinally pulsating) combustion of hydrogen in an expanding annular combustor of the DR is proved for the first time. The calculated effective thrust of such a DR is shown to become positive at M = 1.3, i. e., the startup Mach number for such a DR can be lower than M = 2.0 which is typical for ramjets operating on continuous-deflagration combustion. A DR demonstrator is designed and manufactured. Its test fires are performed in a pulsed wind tunnel (WT) at free air jet Mach numbers M = 2.0 and 1.5. The most important result of test fires is the experimental proof of the possibility of arranging stable continuous-detonation combustion of hydrogen in the DR of the developed design at both Mach numbers." @default.
- W4320160448 created "2023-02-13" @default.
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- W4320160448 date "2021-06-30" @default.
- W4320160448 modified "2023-09-29" @default.
- W4320160448 title "MULTIDIMENSIONAL SIMULATIONS AND TEST FIRES OF A HYDROGEN-FUELED RAMJET WITH AN ANNULAR DETONATIVE COMBUSTOR AT APPROACHING AIR FLOW OF MACH 2 AND 1.5" @default.
- W4320160448 doi "https://doi.org/10.30826/icpcd12b13" @default.
- W4320160448 hasPublicationYear "2021" @default.
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