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 …

Experimental study on propagation mode of rotating detonation wave with cracked kerosene gas and ambient temperature air

J Han, Q Bai, S Zhang, C Weng - Physics of Fluids, 2022 - pubs.aip.org
In order to obtain propagation characteristics of a rotating detonation wave (RDW) of
cracked kerosene gas (CKG) and ambient temperature air, a series of experiments were …

Three-dimensional numerical simulations of a liquid rp-2/o2 based rotating detonation engine

S Prakash, R Bielawski, V Raman, K Ahmed… - Combustion and …, 2024 - Elsevier
Rotating detonation engines (RDEs) offer increased thermal efficiencies and continuous
thrust in a compact design. While non-premixed RDEs, where fuel and oxidizer are injected …

Experimental and numerical investigations of forced response of multi-element lean-premixed hydrogen flames

H Kang, C Yoon, KT Kim - Combustion and Flame, 2023 - Elsevier
Understanding the distinctive thermoacoustic properties of multi-element lean-premixed
hydrogen flames is crucial for the development of hydrogen-capable gas turbines. Extending …

Numerical investigation of the rotating detonation engine with cat-ear-shaped film cooling holes under varying operating modes

J Yu, S Yao, J Li, J Li, C Guo, W Zhang - Aerospace Science and …, 2023 - Elsevier
The advancement of implementing the rotating detonation engine (RDE) in practical
applications necessitates overcoming the challenges arising from severe heating and high …

Experimental investigation on combustion efficiency of a partially premixed kerosene-air rotating detonation combustor

S Xu, F Song, Y Wu, J Zhou, P Cheng, X Yang, X Chen - Fuel, 2022 - Elsevier
It is believed that detonation waves travel a radially stratified mixture in a non-premixed
rotating detonation combustor (RDC), which can result in non-ideal detonations. In order to …

Shock interactions and re-initiation mechanism of liquid ethanol-fueled rotating detonation wave

J Li, S Yao, J Yu, J Li, Y Lei, W Zhang - Physics of Fluids, 2024 - pubs.aip.org
We present a numerical simulation of a two-phase rotating detonation fueled by liquid
ethanol and pre-heated air in a two-dimensional rotating detonation combustor. The study …

[HTML][HTML] Dynamics of mono-size aerosolized liquid fuel detonations

T Brown, R Hytovick, J Berson, R Burke… - Proceedings of the …, 2024 - Elsevier
Detonation-based propulsion has been an area of interest in the scientific community in
terms of detonative combustion providing higher efficiency. However, most detonation …

Analysis of weak secondary waves in a rotating detonation engine using large-eddy simulation and wavenumber-domain filtering

G Vignat, D Brouzet, M Bonanni, M Ihme - Combustion and Flame, 2024 - Elsevier
Rotating detonation engines (RDEs) are pressure-gain combustion devices which allow for
a compact and mechanically simple engine design with improved thermodynamic efficiency …

Numerical and boundary condition effects on the prediction of detonation engine behavior using detailed numerical simulations

T Sato, C Van Beck, V Raman - Frontiers in Aerospace Engineering, 2023 - frontiersin.org
High-fidelity numerical simulations of an experimental rotating detonation engine with
discrete fuel/air injection were conducted. A series of configurations with different feed …