Results 21 to 30 of about 41,546 (277)

Experimental Study on Local Flame Properties of Hydrogen Added Hydrocarbon Premixed Turbulent Flames

Journal of Thermal Science and Technology, 2009
This experimental study is performed to investigate directly the local flame properties of turbulent propagating flames at the same weak turbulence condition (u'/SL0=1.4), in order to clarify basically the influence of the addition of hydrogen to ...
Masaya NAKAHARA, Takamori SHIRASUNA, Jun HASHIMOTO   +2 more
doaj   +1 more source

Hydrogen-enriched nonpremixed jet flames: Effects of preferential diffusion

International Journal of Hydrogen Energy, 2013
Influence of preferential diffusion on the dynamics of hydrogen and syngas nonpremixed impinging jet flames was studied using direct numerical simulation and flamelet generated manifolds based on detailed chemical kinetics. The results presented in this study were obtained from a uniform Cartesian grid with 768 × 768 × 768 points.
Ranga Dinesh, K.K.J., Jiang, X., van Oijen, J., Bastiaans, R., de Goey, L.   +4 more
openaire   +4 more sources

Nonlinear preferential rewiring in fixed-size networks as a diffusion process [PDF]

Physical Review E, 2009
We present an evolving network model in which the total numbers of nodes and edges are conserved, but in which edges are continuously rewired according to nonlinear preferential detachment and reattachment. Assuming power-law kernels with exponents alpha and beta, the stationary states the degree distributions evolve towards exhibit a second order ...
Samuel Johnson, Joaquı́n J. Torres, Joaquín Marro   +2 more
openalex   +5 more sources

Enhancing Diffusion of Innovation through Operational Analysis of Agent-Based Modelling [PDF]

چشم‌انداز مدیریت صنعتی, 2020
The purpose of this study is to introduce a method to improve innovation diffusion by using agent-based modeling. In this regard, an operational analysis to create agent-based modeling is investigated. agent-based model of this research is carried out in
Ehsan Abolfathi, Abbas Toloie Eshlaghy, Mohammad Reza Hamidi Zadeh   +2 more
doaj   +1 more source

Diffusion mechanisms and preferential dynamics of promoter molecules in ZSM-5 zeolite [PDF]

Catalysis Science & Technology
The diffusion in ZSM-5 zeolite of methanol and of two series of promoters of the methanol to dimethyl ether reaction (linear methyl esters, benzaldehyde, 4-n-alkyl benzaldehydes) has been studied using classical molecular dynamics in the NVT ensemble. Whereas promoter diffusion coefficients decrease with increasing alkyl chain length in methyl esters ...
Josh Dunn, Joe Crossley-Lewis, Andrew R. McCluskey, Fiona Jackson, Corneliu Buda, Glenn J. Sunley, Adrian J. Mulholland, Neil L. Allan   +7 more
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Effect of Stretch on Local Burning Velocity of Premixed Turbulent Flames

Journal of Thermal Science and Technology, 2007
The effect of positive stretch on the local flame properties of turbulent propagating flames in the flamelet regime was investigated experimentally for methane-, hydrogen- and propane-air mixtures with lean and rich having nearly the same laminar burning
Masaya NAKAHARA, Hiroyuki KIDO, Takamori SHIRASUNA, Koichi HIRATA   +3 more
doaj   +1 more source

Preferential behaviour and scaling in diffusive dynamics on networks

New Journal of Physics, 2007
We study the fluctuation properties and return-time statistics on inhomogeneous scale-free networks using packets moving with two different dynamical rules; random diffusion and locally navigated diffusive motion with preferred edges. Scaling in the fluctuations occurs when the dispersion of a quantity at each node or edge increases like the its mean ...
Kujawski, B, Tadic, B, Rodgers, GJ
openaire   +3 more sources

Flow divergence in the turbulent premixed flames

Nihon Kikai Gakkai ronbunshu, 2014
In order to elucidate the flow divergence in the rich propane-air turbulent premixed flames, the flow fields of lean and rich propane-air and methane-air turbulent premixed flames of the identical conditions of laminar burning velocity and characteristic
Yasuko YOSHIDA, Junichi FURUKAWA, Forman A. WILLIAMS   +2 more
doaj   +1 more source

3D diffusion model within the collagen apatite porosity: An insight to the nanostructure of human trabecular bone. [PDF]

PLoS ONE, 2017
Bone tissue at nanoscale is a composite mainly made of apatite crystals, collagen molecules and water. This work is aimed to study the diffusion within bone nanostructure through Monte-Carlo simulations.
Fabiano Bini, Andrada Pica, Andrea Marinozzi, Franco Marinozzi   +3 more
doaj   +1 more source

The link between gliomas infiltration and white matter architecture investigated with electron microscopy and diffusion tensor imaging

NeuroImage: Clinical, 2021
Diffuse low-grade gliomas (DLGG) display different preferential locations in eloquent and secondary associative brain areas. The reason for this tendency is still unknown.
Francesco Latini, Markus Fahlström, Andrea Beháňová, Ida-Maria Sintorn, Monika Hodik, Karin Staxäng, Mats Ryttlefors   +6 more
doaj   +1 more source