Results 201 to 210 of about 5,196 (262)

A Stepwise Approach to 1,4,10,13-Tetraaza-18-Crown-6 Ether. [PDF]

open access: yesChemistryOpen
Troosters P   +3 more
europepmc   +1 more source

Flame morphology and self-acceleration of syngas spherically expanding flames

International Journal of Hydrogen Energy, 2018
Abstract The self-acceleration of spherically expanding flames were investigated using a constant volume combustion chamber for CO/H2/O2/N2 mixtures over a wide range of initial pressure from 0.2 to 0.6 MPa, CO/H2 ratio from 50/50 to 10/90 and equivalence ratio from 0.4 to 1.5.
Xiao Cai, Jinhua Wang, Haoran Zhao
exaly   +2 more sources

Flame acceleration and transition to detonation in ducts

Progress in Energy and Combustion Science, 2008
This paper reviews the state of knowledge on flame acceleration and deflagration-to-detonation transition (DDT) in smooth ducts and ducts equipped with turbulence-producing obstacles. The objective is to bring to light the basic understanding of the phenomenon and its application to explosion safety. The scope of the review is restricted to homogeneous
S Dorofeev
exaly   +2 more sources

The role of shock–flame interactions on flame acceleration in an obstacle laden channel

Combustion and Flame, 2010
Abstract Flame acceleration was investigated in an obstructed, square-cross-section channel. Flame acceleration was promoted by an array of top and bottom surface mounted obstacles that were distributed along the entire channel length at an equal spacing corresponding to one channel height.
Gaby Ciccarelli, Craig T Johansen
exaly   +2 more sources

Flame–turbulence interactions during flame acceleration using solid and fluid obstacles [PDF]

open access: possiblePhysics of Fluids, 2022
A combination of solid and transverse jet obstacles is proposed to trigger flame acceleration and deflagration-to-detonation transition (DDT). A numerical study of this approach is performed by solving the reactive Navier–Stokes equations deploying an adaptive mesh refinement technique.
Wandong Zhao   +4 more
openaire   +2 more sources

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