Results 11 to 20 of about 1,039,133 (294)

Downward flame spread over PMMA spheres [PDF]

open access: yesProceedings of the Combustion Institute, 2023
Experiments were conducted to measure downward flame spread over PMMA spheres, and an underpinning theoretical basis was developed to explain the relevant mechanisms governing flame spread over spherical geometries. Flame spread over a sphere was classified into two distinct regimes, that being spread over the upper and lower hemispheres.
David Morrisset   +3 more
core   +6 more sources

Horizontal flame spread over thin solids in reduced buoyancy environments

open access: yes, 2022
A Horizontal Channel Apparatus (HCA) has been employed to investigate opposed flame spread over solid fuels in reduced buoyancy environments, which would be encountered at the diminished gravitational levels on extraterrestrial surfaces (e.g., the ...
Wang, Shuangfeng   +3 more
core   +2 more sources

Wind-aided flame spread under oblique forced flow [PDF]

open access: yes, 1999
he wind-aided flame spread process along a solid fuel rod under oblique forced flow is analyzed in absence of gravity or when the forced flow dominates the gravity-induced flow.
Tizón Pulido, Juan Manuel   +2 more
core   +1 more source

Thermal structure of flame spread in partially premixed atmospheres and effects of fuel Lewis number [PDF]

open access: yes, 2014
The experimental study on the flame spread in partially premixed atmospheres was presented. Two samples of different filter thickness and density were used.
Yamamoto, Kazuhiro   +2 more
core   +1 more source

Experimental study on width effects on downward flame spread over thin PMMA under limited distance condition

open access: yesCase Studies in Thermal Engineering, 2019
In this paper, a series of burning experiments with the downward fire spread were carried out using 1 mm thick, 200 mm tall PMMA with different widths varying from 50 mm to 150 mm in 13 mm restricted distance.
Shuai Gao   +3 more
doaj   +1 more source

Turbulent Premixed Flame Kernel Growth During The Early Stages Using Direct Numerical Simulation [PDF]

open access: yes, 2008
In this thesis Direct Numerical Simulation (DNS) is used to investigate the development of turbulent premixed flame kernels during the early stages of growth typical of the period following spark ignition.
Dunstan, T. D.
core   +7 more sources

Flame spread of droplet-cloud elements with two-droplet interaction in microgravity

open access: yesJournal of Thermal Science and Technology, 2017
This research conducted microgravity experiments to investigate the flame-spread characteristics of the fuel-droplet-cloud element with uneven droplet spacing, which is a basic element of a randomly distributed droplet cloud at the critical condition for
Masato MIKAMI   +6 more
doaj   +1 more source

Combustion and fire safety of energy conservation materials in building vertical channel: Effects of structure factor and coverage rate

open access: yesCase Studies in Thermal Engineering, 2021
Experimental study on combustion and fire safety of energy conservation materials (extruded polystyrene, i.e., XPS) in vertical channel with front openings of building façade is conducted, and effects of channel structure factor (α) and curtain wall ...
Weiguang An   +3 more
doaj   +1 more source

Upward Turbulent Flame Spread [PDF]

open access: yesFire Safety Science, 1986
Mechanisms and rates of upward spread of turbulent flames along thermally thick vertical sheets are considered for both noncharring and charring fuels. By addressing the time dependence of the rate of mass loss of the burning face of a charring fuel, a linear integral equation of the Volterra type is derived for the spread rate.
K. Saito, J. Quintiere, F. Williams
openaire   +1 more source

Flame Spread Behaviour over Combustible Solid of Paper, Bagasse and Paper/Bagasse

open access: yesMATEC Web of Conferences, 2017
Flame spread over combustible solid must be precisely identify in fire hazard and this is the basic problem in fire safety engineering field. To explore the flame spread mechanism over combustible solid, the downward flame spread behaviour over paper and
Ramli Afifah   +6 more
doaj   +1 more source

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