[PDF][PDF] 掺氢天然气管道输送研究进展.

李敬法, 苏越, 张衡, 宇波 - Natural Gas Industry, 2021 - researchgate.net
可再生能源发电制氢被认为是解决弃电消纳问题的一条有效途径, 将氢气以一定的比例掺入
天然气中, 利用现有的天然气管道或管网进行输送, 有可能是当前实现大规模氢气输送的最佳 …

Accumulation of errors in numerical simulations of chemically reacting gas dynamics

NN Smirnov, VB Betelin, VF Nikitin, LI Stamov… - Acta Astronautica, 2015 - Elsevier
The aim of the present study is to investigate problems of numerical simulations precision
and stochastic errors accumulation in solving problems of detonation or deflagration …

Effect of solid obstacle distribution on flame acceleration and DDT in obstructed channels filled with hydrogen-air mixture

J Wang, X Zhao, L Gao, X Wang, Y Zhu - International Journal of Hydrogen …, 2022 - Elsevier
Ensuring hydrogen safety has become of great significance nowadays, whose leakage can
possible result in the deflagration to detonation (DDT). The numerical study aims to explore …

Onset of detonation in hydrogen-air mixtures due to shock wave reflection inside a combustion chamber

NN Smirnov, OG Penyazkov, KL Sevrouk, VF Nikitin… - Acta Astronautica, 2018 - Elsevier
Hydrogen fuel, as for now, is the most energy efficient and clean fuel for aviation engines. At
present time RAM engines based on chemical burning of fuels and accelerating exhaust …

Detonation onset following shock wave focusing

NN Smirnov, OG Penyazkov, KL Sevrouk, VF Nikitin… - Acta Astronautica, 2017 - Elsevier
The aim of the present paper is to study detonation initiation due to focusing of a shock wave
reflected inside a cone. Both numerical and experimental investigations were conducted …

[HTML][HTML] Numerical investigation of the effect of obstacle shape on deflagration to detonation transition in a hydrogen–air mixture

AM Coates, DL Mathias, BJ Cantwell - Combustion and Flame, 2019 - Elsevier
The potential for deflagration to detonation transition (DDT) in an uncontained failure poses
extreme risk to nearby personnel. This study performs numerical simulations with detailed …

Experimental investigation on propagation characteristics of liquid-fuel/preheated-air rotating detonation wave

Y Ma, S Zhou, H Ma, G Ge, D Yu, G Zou, Z Liang… - International Journal of …, 2022 - Elsevier
The rotating detonation combustor can be applied to the turbine engine to develop into a
new power device, and the liquid-fuel/air rotating denotation has important research …

3D numerical investigation of the detonation wave propagation influence on the triangular plate deformation using finite rate chemistry model of LS-DYNA CESE …

M Haghgoo, H Babaei, TM Mostofi - International Journal of Impact …, 2022 - Elsevier
In this article, an immersed boundary method which couples a Lagrangian structure solver
with an Eulerian fluid solver with a chemistry model capable of detonation computation for H …

Large eddy simulation of transverse single/double jet in supersonic crossflow

M Zhao, Y Bian, Q Li, T Ye - Aerospace Science and Technology, 2019 - Elsevier
In this paper, large eddy simulation of transverse sonic single/double hydrogen jets into
supersonic Mach 2 crossflow have been carried out to investigate the complex flow …

Different scenarios of shock wave focusing inside a wedge-shaped cavity in hydrogen-air mixtures

NN Smirnov, VF Nikitin, LI Stamov - Aerospace Science and Technology, 2022 - Elsevier
The detonation combustion mode is very attractive for being used in new propulsion
systems. The onset of detonation is a key issue for the process. In this work, a three …