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Experimental investigation of tunnel fire spread under moving fire source conditions. [PDF]

open access: yesPLoS ONE
Fires caused by moving fire sources are more complex and hazardous than those initiated by stationary sources. In tunnel fire scenarios, ignition sources often vary in velocity and elevation, which markedly affect fire dynamics.
Tong Wang   +5 more
doaj   +2 more sources

Numerical Simulation of Flame Combustion Characteristics of Tail Gas From the Copper Slag Depleted Reduction

open access: yesFrontiers in Energy Research, 2022
The tail gas with relatively high calorific value, generated from the depleted reduction of copper slag, can be used as fuel for gas turbines. In this study, the flame speed calculation module in PREMIX of CHEMKIN was used to simulate the combustion ...
Huiping Sun   +6 more
doaj   +1 more source

The adiabatic flame temperature and laminar flame speed of methane premixed flames at varying pressures [PDF]

open access: yesActa Periodica Technologica, 2019
This paper studies the influence of equivalence ratio, pressure and initial temperature on adiabatic flame temperature and laminar flame speed of methane-air mixture.
Sakhrieh Ahmad
doaj   +1 more source

The interaction of high-speed turbulence with flames: Turbulent flame speed [PDF]

open access: yesCombustion and Flame, 2011
44 pages, 20 figures; published in Combustion and ...
Poludnenko, Alexei Y., Oran, Elaine S.
openaire   +2 more sources

Experimental study of the downward flame spreading characteristics of building facade flexible polyurethane with a lateral environment wind effect

open access: yesCase Studies in Thermal Engineering, 2021
This work looks into the relationship between the downward burning behavior of flexible polyurethane (FPU) and horizontal wind speed. The flame geometry, burning rate, flame radiation, and temperature field under different wind speeds were studied ...
Qinghua Zhou   +4 more
doaj   +1 more source

Experimental study on inhibition effect of inert gas parameters on gas deflagration flame propagation

open access: yesMeikuang Anquan, 2023
In this paper, we continue to build an ultra-high speed laser schlieren testing system on the self-developed mesoscale explosion pipeline to explore the flame propagation characteristics of nitrogen and carbon dioxide inhibiting gas/air premixed gas ...
Yang HU   +4 more
doaj   +1 more source

Experimental Study on the Effect of Nano Additives γAl2O3 and Equivalence Ratio to Bunsen Flame Characteristic of Biodiesel from Nyamplung (Calophyllum Inophyllum)

open access: yesAutomotive Experiences, 2021
Nano γAl2O3 has been one of the nanometal oxides that has improved the characteristics of biodiesel. The effect of γAl2O3 nanoparticles addition on premixed flame combustion is investigated with an experiment on the laminar flame speed of Calophyllum ...
Setyo Pambudi   +3 more
doaj   +1 more source

Self-Turbulent Flame Speeds [PDF]

open access: yesFlow, Turbulence and Combustion, 2011
This paper reports an experimental investigation of premixed propane andmethane-air flames propagating freely in tubes 1.5 m long and with diameters rangingfrom 26 to 141 mm. The thermo-acoustic instability was eliminated by means of anovel acoustic absorber placed at the closed end of the tube.
Quinard, Joel   +3 more
openaire   +3 more sources

Comparative Analysis of Flame Propagation and Flammability Limits of CH4/H2/Air Mixture with or without Nanosecond Plasma Discharges

open access: yesAerospace, 2023
This study investigates the kinetic modeling of CH4/H2/Air mixture with nanosecond pulse discharge (NSPD) by varying H2/CH4 ratios from 0 to 20% at ambient pressure and temperature.
Ghazanfar Mehdi   +5 more
doaj   +1 more source

Study of laminar flame speed measurement under high pressure condition using double kernel method by laser-induced breakdown ignition

open access: yesJournal of Thermal Science and Technology, 2020
In order to understand turbulent combustion and its combustion characteristics, laminar flame speed is often used. Laminar flame speed plays an important role in turbulent combustion models used in engine combustion simulation.
Takehiko SEO   +2 more
doaj   +1 more source

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