On the response of annular injectors to rotating detonation waves
Sign Up to like & getrecommendations! Published in 2019 at "Shock Waves"
DOI: 10.1007/s00193-019-00900-8
Abstract: A series of three-dimensional, unsteady simulations have been conducted to illuminate the behavior of annular gaseous injectors that are frequently used in rotating detonation engine combustors. The strength (detonation overpressure history) and number of detonation… read more here.
Keywords: rotating detonation; waves response; detonation; detonation waves ... See more keywords
Experimental study on a rotating detonation combustor with an axial-flow turbine
Sign Up to like & getrecommendations! Published in 2018 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2018.05.047
Abstract: Abstract The research on rotating detonation turbine engine is attracting much attention in recent years. In this study, experiments have been performed on a structure combining a rotating detonation combustor and an axial-flow turbine to… read more here.
Keywords: turbine; rotating detonation; combustor axial; detonation combustor ... See more keywords
Effect of blockage ratio on the existence of multiple waves in rotating detonation engine
Sign Up to like & getrecommendations! Published in 2019 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2019.08.007
Abstract: Abstract The effect of blockage ratio on the existence of multiple waves in rotating detonation engine was investigated through experimental approach. It has been shown experimentally that four typical detonation propagation modes (single wave, hybrid… read more here.
Keywords: rotating detonation; ratio; multiple waves; blockage ... See more keywords
Effect of channel and oxidizer injection slot width on the rotating detonation fueled by pre-combustion cracked kerosene
Sign Up to like & getrecommendations! Published in 2019 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2019.09.034
Abstract: Abstract In this study, the effect of the channel and oxidizer injection slot width on the rotating detonation fueled by the pre-combustion cracked kerosene was researched. Three channel widths of 15, 25, 40 mm and two… read more here.
Keywords: slot; rotating detonation; slot width; cracked kerosene ... See more keywords
Experimental research on the propagation process of rotating detonation wave with a gaseous hydrocarbon mixture fuel
Sign Up to like & getrecommendations! Published in 2021 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2020.10.027
Abstract: Abstract In this paper, a gaseous hydrocarbon mixture (hydrogen-ethylene-acetylene) fuel was used to investigate the initiation process, the stabilization process, and the quenching process of the rotating detonation wave. The results show that the experiments… read more here.
Keywords: rotating detonation; process; fuel; detonation ... See more keywords
Observations of DC shift and chugging in a pressurized rotating detonation combustor
Sign Up to like & getrecommendations! Published in 2021 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2021.06.019
Abstract: Abstract Rotating detonation combustors are prone to a wide range of off-design behaviors during both atmospheric and pressurized operation. The current manuscript deals with the transient mean pressure change seen in back-pressurized combustors after ignition.… read more here.
Keywords: shift chugging; rotating detonation; observations shift; pressure ... See more keywords
Performance analysis of dual-duct rotating detonation aero-turbine engine
Sign Up to like & getrecommendations! Published in 2019 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2019.07.011
Abstract: Abstract A configuration for a dual-duct rotating detonation aero-turbine engine (DRDATE) is proposed. With the isolator and mixer arranged upstream and downstream from the rotating detonation combustor (RDC) respectively, the compatibility between turbomachinery and RDC… read more here.
Keywords: performance; turbine engine; turbine; rotating detonation ... See more keywords
Study on the performance of a rotating detonation chamber with different aerospike nozzles
Sign Up to like & getrecommendations! Published in 2020 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2020.106338
Abstract: Abstract To generate thrust efficiently is the ultimate objective of developing a practical propulsion device utilizing detonation. The rotating detonation engine shows its great potentials because of pressure gain combustion is produced while detonations rotate… read more here.
Keywords: chamber; rotating detonation; detonation chamber; aerospike nozzles ... See more keywords
Enhancement of ethylene-air continuous rotating detonation in the cavity-based annular combustor
Sign Up to like & getrecommendations! Published in 2021 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2021.106842
Abstract: Abstract To investigate enhancement effects of cavity on continuous rotating detonation (CRD), extensive ethylene-air CRD tests are conducted in the cavity-based annular combustor. By varying the length-to-depth ratio (L/D) of cavity, five modes are distinguished… read more here.
Keywords: continuous rotating; rotating detonation; detonation; cavity based ... See more keywords
Experimental investigations on H2/air rotating detonation wave in the hollow chamber with Laval nozzle
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Hydrogen Energy"
DOI: 10.1016/j.ijhydene.2016.12.038
Abstract: Abstract To investigate the relationship of the rotating detonation and tangential instability, series of experiments have been done in a hollow chamber with Laval nozzle. In the present paper, two different ignition methods, named hot-jet… read more here.
Keywords: chamber laval; rotating detonation; detonation; hollow chamber ... See more keywords
Investigation of rotating detonation wave fueled by “ethylene-acetylene-hydrogen” mixture
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Hydrogen Energy"
DOI: 10.1016/j.ijhydene.2018.05.174
Abstract: Abstract In this study, the stable operating range and basic characteristics including the pressure and speed of a rotating detonation are researched. The fuel is an “ethylene–acetylene–hydrogen” mixture, examined at three mixing ratios of 2:1:4,… read more here.
Keywords: rotating detonation; acetylene hydrogen; ethylene acetylene; detonation ... See more keywords