Rotating detonation combustors and their similarities to rocket instabilities

V Anand, E Gutmark - Progress in Energy and Combustion Science, 2019 - Elsevier
Rotating detonation combustors (RDC) are at the forefront of pressure gain combustion
(PGC) research, utilizing one or more azimuthally spinning detonation waves, an intrinsically …

Characterization of a supersonic turbine downstream of a rotating detonation combustor

Z Liu, J Braun, G Paniagua - … of Engineering for …, 2019 - asmedigitalcollection.asme.org
Rotating detonation combustors (RDCs) offer theoretically a significant total pressure
increase, which may result in enhanced cycle efficiency. The fluctuating exhaust of RDC …

Energy analysis of a detonation combustor with a bladeless turbine, a propulsion unit for subsonic to hypersonic flight

J Braun, F Falempin, G Paniagua - Energy Conversion and Management, 2022 - Elsevier
This paper details an energy conversion unit for the combined power extraction and thrust
increase from high subsonic to hypersonic flows. The energy transfer is achieved through a …

Shock dynamics and expansion characteristics of an aerospike nozzle and its interaction with the rotating detonation combustor

Y Huang, H Xia, X Chen, Z Luan, Y You - Aerospace Science and …, 2021 - Elsevier
The flow of products through the aft-end of a detonation combustor is intrinsically unsteady,
ultimately resulting in periodic and nonuniform flow parameters at the exit plane of a rotating …

Design and parametric analysis of a supersonic turbine for rotating detonation engine applications

N Mushtaq, G Colella, P Gaetani - International Journal of …, 2022 - mdpi.com
Pressure gain combustion is a promising alternative to conventional gas turbine
technologies and within this class the Rotating Detonation Engine has the greatest potential …

Aero-thermal characterization of accelerating and diffusing passages downstream of rotating detonation combustors

J Braun, G Paniagua… - … Expo: Power for …, 2021 - asmedigitalcollection.asme.org
Cycle benefits of rotating detonation engines show up to five percentage points of efficiency
gain for low-pressure ratio engines. An optimal integration between the combustor and the …

The role of endwall shape optimization in the design of supersonic turbines for rotating detonation engines

N Mushtaq, G Persico… - Journal of …, 2023 - asmedigitalcollection.asme.org
Rotating detonation engines (RDEs) are characterized by a thermodynamic cycle with an
efficiency gain up to 15% at medium pressure ratios with respect to systems based on the …

Characterization of an integrated nozzle and supersonic axial turbine with a rotating detonation combustor

J Braun, DG Cuadrado, V Andreoli… - AIAA Propulsion and …, 2019 - arc.aiaa.org
In this work, the integration of supersonic turbomachinery with rotating detonation
combustors is analyzed. First, a two-dimensional unsteady Reynolds-Averaged Navier …

Rotating detonation combustor operability and aero-thermal performance with an integrated diverging nozzle

J Braun, G Paniagua - Applied Thermal Engineering, 2024 - Elsevier
This paper assesses the operability, convective heat flux, and losses of an experimentally
built non-premixed 0.06 m radius hydrogen-air rotating detonation combustor with an …

Aerodynamic investigation of guide vane configurations downstream a rotating detonation combustor

M Asli, P Stathopoulos… - … of Engineering for …, 2021 - asmedigitalcollection.asme.org
Any outlet restriction downstream of pressure gain combustion (PGC), such as turbine
blades, affects its flow field and may cause additional thermodynamic losses. The …