Simulation of wave mode switching in a rotating detonation engine with gaseous and liquid fuel

M Salvadori, A Panchal, S Menon - Aerospace Science and Technology, 2024 - Elsevier
Three-dimensional simulations of a realistic two-phase rotating detonation engine are
conducted to understand the effects of gaseous and liquid fuel on mechanisms of wave …

Heat release multiplicity and subcritical-supercritical droplet transition in autoignition of n-dodecane sprays under detonation-relevant conditions

Y Wang, S Li, H Guo, H Zhang - International Journal of Heat and Mass …, 2024 - Elsevier
This paper investigates the autoignition characteristics of two-phase n-dodecane spray and
air mixtures through detailed simulations, utilizing a skeletal mechanism with optimized low …

A Dynamic Droplet Breakup Model for Eulerian-Lagrangian Simulation of Liquid-fueled Detonation

W Wang, M Yang, Z Hu, P Zhang - Aerospace Science and Technology, 2024 - Elsevier
This study proposes a dynamic model to reflect the physical image of the droplet breakup
process in two-phase detonation flows. This breakup model is implemented in a two-phase …

Evolution of a shock-impacted reactive liquid fuel droplet with evaporation effects: A numerical study

P Tarey, P Ramaprabhu, JA McFarland - International Journal of …, 2024 - Elsevier
We describe detailed numerical simulations of a liquid fuel droplet impacted by a Mach 5
shock wave, considering the effects of chemical reactions and phase change due to …

Combustion Mechanism of Gasoline Detonation Tube and Coupling of Engine Turbocharging Cycle

D Huang, J Wang, M Shi, P Yang, B Wu - Energies, 2024 - mdpi.com
Traditional exhaust-gas turbocharging exhibits hysteresis under variable working conditions.
To achieve rapid-intake supercharging, this study investigates the synergistic coupling …

Impact of Intermediate Species in Simulating Oblique Detonation with Pre-Vaporized N-Decane/air Mixtures Substituting for Kerosene/Air Mixtures

YJ Wu, YY Niu - Combustion Science and Technology, 2024 - Taylor & Francis
ABSTRACT A renewed two-step n-decane mechanism is presented to improve reliable and
robust simulation results, substituting for kerosene. This mechanism demonstrates that …

Numerical modeling towards simulations of multiphase detonation tube experiments

BJ Musick - 2023 - oaktrust.library.tamu.edu
Multiphase detonations are phenomena involving multiple coupled systems evoking
fundamental thermodynamic, hydrodynamic, heat/mass transfer, and chemical questions …

Comprehensive Analysis of Hydrodynamic Instabilities and Breakup Phenomena in Droplets Exposed to Detonation and Shock Waves

S Salauddin, A Morales, R Hytovick… - AIAA SCITECH 2024 …, 2024 - arc.aiaa.org
This experimental study investigates the intricate dynamics of droplet breakup when
interacting with shock waves and detonation. Understanding this phenomenon holds …

Numerical simulations of an evaporating n-Dodecane fuel droplet impacted by a strong shock

P Tarey, P Ramaprabhu, J McFarland - AIAA SCITECH 2024 Forum, 2024 - arc.aiaa.org
Liquid fuel droplet evaporation under high-speed gas flows is of direct interest in scramjets
and detonation engines. In this work, through detailed numerical simulations of a 2D …

Droplet Breakup and Evaporation in Liquid-Fueled Detonations

C Young, V Duke-Walker, J McFarland - 2024 - researchsquare.com
In liquid-fueled detonations droplets are subjected to a myriad of complex codependent
physical phenomena occurring on overlapping temporal and spatial scales. Developing an …