Nonidealities in rotating detonation engines

V Raman, S Prakash, M Gamba - Annual Review of Fluid …, 2023 - annualreviews.org
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 …

Effects of supersonic nozzle guide vanes on the performance and flow structures of a rotating detonation combustor

D Shen, M Cheng, K Wu, Z Sheng, J Wang - Acta Astronautica, 2022 - Elsevier
The integration of a rotating detonation combustor with downstream nozzle guide vanes is a
crucial early step prior to the full implementation of the rotating detonation turbine engine …

Rotating detonation wave direction and the influence of nozzle guide vane inclination

E Bach, CO Paschereit, P Stathopoulos, MD Bohon - AIAA Journal, 2021 - arc.aiaa.org
This study describes a rotating detonation combustor (RDC) equipped with a set of nozzle
guide vanes (NGVs) of variable number and inclination angle. Different instrumented guide …

Design and optimization of supersonic turbines for detonation combustors

J Sousa, E Collado-Morata, G Paniagua - Chinese Journal of Aeronautics, 2022 - Elsevier
Detonation-based engines offer a potential surge in efficiency for compact thermal power
systems. However, these cycles require ad-hoc components adapted to the high outlet …

Numerical study on the interaction characterization of rotating detonation wave and turbine rotor blades

C Zhang, Z Lin, T Dong - International Journal of Hydrogen Energy, 2022 - Elsevier
Rotating detonation as a kind of pressure gain combustion is expected to greatly improve
efficiency when applied to gas turbine engines. In this paper, the operation of rotating …

Entropy and nitrogen oxides production in steady detonation wave propagating in hydrogen-air mixtures

Z Chen, Z Weng, R Mével - International Journal of Hydrogen Energy, 2024 - Elsevier
Detonation engine, relying on the Fickett-Jacob cycle, may offer higher thermodynamic
efficiency than engine relying on the Brayton (constant pressure) or Humphrey (constant …

Wave mode analysis of a turbine guide vane-integrated rotating detonation combustor based on instantaneous frequency identification

C Ding, Y Wu, Y Huang, Q Zheng, Q Li, G Xu, C Kang… - Energy, 2023 - Elsevier
Owing to the pressure gain combustion characteristics, the gas turbine can enhance the
system thermodynamic cycle efficiency by integrating a rotating detonation combustor …

Thermodynamic performance analysis of the rotating detonative airbreathing combined cycle engine

Z Ji, H Zhang, B Wang - Aerospace Science and Technology, 2021 - Elsevier
A configuration is presented for the rotating detonative airbreathing combined cycle engine
with compatibility between the turbomachinery and rotating detonation combustor being …

[HTML][HTML] Higher order dynamic mode decomposition to model reacting flows

A Corrochano, G D'Alessio, A Parente… - International Journal of …, 2023 - Elsevier
This work presents a new application of higher order dynamic mode decomposition
(HODMD) for the analysis of reactive flows. Due to the high complexity of the data analysed …

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 …