Semi-confined layered kerosene/air two-phase detonations bounded by nitrogen gas

F Wang, C Weng, H Zhang - Combustion and Flame, 2023 - Elsevier
A two-dimensional numerical study is conducted on the semi-confined cellular detonations
propagating through a layer of two-phase kerosene/air reactant bounded by an inert gas. By …

Detonation structure in the presence of mixture stratification using reaction-resolved simulations

M Ullman, S Prakash, S Barwey, V Raman - Combustion and Flame, 2024 - Elsevier
Many investigations of detonation-based combustors have identified reactant mixture
inhomogeneity as having a leading-order impact on wave dynamics and combustion …

An AMReX-based Compressible Reacting Flow Solver for High-speed Reacting Flows relevant to Hypersonic Propulsion

S Sharma, R Bielawski, O Gibson, S Zhang… - arxiv preprint arxiv …, 2024 - arxiv.org
This work presents a comprehensive framework for the efficient implementation of finite-
volume-based reacting flow solvers, specifically tailored for high speed propulsion …

Self-excited wave stabilization in a linear detonation combustor

M Ullman, S Prakash, D Jackson, V Raman… - Combustion and …, 2023 - Elsevier
Detonative combustors, such as rotating detonation engines, have increasingly been viewed
as next-generation propulsion and power generation systems because they offer higher …

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 …

[HTML][HTML] Influence of injector configuration on secondary wave formation and propagation in a rotating detonation combustor

M Ullman, V Raman - Applications in Energy and Combustion Science, 2024 - Elsevier
Numerous studies of rotating detonation engines (RDEs) have noted the appearance of
weaker secondary waves which travel with or counter to the primary wave system. These …

Numerical research on kerosene/hydrogen/air rotating detonation engines with discrete injection strategies

F Wang, W Cao, C Weng - Physics of Fluids, 2023 - pubs.aip.org
The two-dimensional simulation of two-phase rotating detonation engines commonly adopts
the nozzle–wall configuration, which is inconsistent with the real configurations in …

Chemical timescale effects on detonation convergence

S Barwey, M Ullman, R Bielawski, V Raman - Computers & Fluids, 2025 - Elsevier
Numerical simulations of detonation-containing flows have emerged as crucial tools for
designing next-generation power and propulsion devices. As these tools mature, it is …

Preliminary criterion for positive total pressure gain in kerosene/air rotating detonation combustor

F Wang, C Weng - AIAA Journal, 2022 - arc.aiaa.org
The rotating detonation combustor is promising to be a total pressure gain combustor and
receives considerable attention in the past decade. Many studies have pointed out that the …

Impacts of injection scheme and grid resolution in two-dimensional rotating detonation engine simulations

MJ Ullman, V Raman - AIAA SciTech 2024 forum, 2024 - arc.aiaa.org
In practical rotating detonation engines, the injection scheme and mass flow rate have been
identified as key factors dictating wave speed, strength, and multiplicity. However, due to the …