Numerical investigation of the mechanism behind the deflagration to detonation transition in homogeneous and inhomogeneous mixtures of H2-air in an obstructed …

MHS Saeid, J Khadem, S Emami - International Journal of Hydrogen …, 2021 - Elsevier
The accidental release of hydrogen into enclosures can result in a flammable mixture with
concentration gradients and possible deflagration-to-detonation transition (DDT). This …

Effect of diffusion time on the mechanism of deflagration to detonation transition in an inhomogeneous mixture of hydrogen-air

MHS Saeid, J Khadem, S Emami, M Ghodrat - International Journal of …, 2022 - Elsevier
This study aimed to numerically investigate the effect of diffusion time between H 2 injection
and ignition on mechanisms behind deflagration to detonation transition (DDT) in an …

Numerical simulation of hydrogen-air flame acceleration and detonation initiation in tubes equipped with arc obstacles of different chord lengths

J Ni, J Pan, EK Quaye, C Jiang - Acta Astronautica, 2020 - Elsevier
Numerical simulation of hydrogen-air detonation characteristics in tubes equipped with arc
obstacles of different chord lengths is carried out by using OpenFoam package. The results …

[HTML][HTML] Numerical simulation of the influence of hydrogen concentration on detonation diffraction mechanism

MH Shamsadin Saeid, M Ghodrat - Energies, 2022 - mdpi.com
In this study, the impact of hydrogen concentration on deflagration to detonation transition
(DDT) and detonation diffraction mechanisms was investigated. The combustion chamber …

Experimental wall heat transfer measurements for various combustion regimes: Deflagration, Autoignition and Detonation

H Quintens, Q Michalski, J Moussou, C Strozzi… - AIAA Propulsion and …, 2019 - arc.aiaa.org
Numerous efforts to optimize the combustion in propulsion systems led to the use of various
combustion regimes. Regarding the Internal Combustion Engine (ICE), Homogeneous …

Numerical analysis of heat flow in wall of detonation tube during pulse detonation cycle

X Ni, C Weng, H Xu, Q Bai - Applied Thermal Engineering, 2021 - Elsevier
The thermal ablation of the detonation tube is a key factor in pulse detonation engine (PDE)
research. In this study, a symmetric two-phase detonation model and a cylinder heat …

[PDF][PDF] Desarrollo de una metodología para la predicción de curvas características en bombas periféricas.

G Valencia-Ochoa… - AiBi Revista de …, 2020 - revistas.udes.edu.co
Desarrollo de una metodología para la predicción de curvas características en bombas
periféricas. Development of methodology Page 1 DOI: 10.15649/2346030X.756 Aibi revista …

[PDF][PDF] NUMERICAL ANALYSIS OF DETONATION STABILITY IN A ROTATING DETONATION ENGINE FUELLED WITH BIOGAS AND HYDROGEN

MN RAHMAN - 2022 - eprints.utm.my
The novel rotating detonation engine (RDE) fuelled with biogas offers a significant
contribution to the application of combustion engines powered by renewable-based fuels …

Experimental investigation of the unsteady wall heat flux during a self-sustained detonation propagation

H Quintens, Q Michalski, F Virot, B Boust… - AIAA Propulsion and …, 2021 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2021-3681. vid This study tends to
investigate the wall heat flux generated by the passage of a detonation front in a shock tube …

飞机燃油系统全飞行剖面热边界模拟与温度预测

王瑞卿, **栋, **运华, 王曦 - 北京航空航天大学学报, 2022 - bhxb.buaa.edu.cn
通过仿真实验和机器学**, 对影响飞机燃油系统温度的主要因素进行了研究,
并对燃油系统温度进行了预测. 对飞机燃油系统的基本结构布局进行了描述. 利用Simulink …