Results 21 to 30 of about 269,073 (304)

Effect of Different Acoustic Parameters on NOx Emissions of Partially Premixed Flame

open access: yesApplied Sciences, 2019
The effects of acoustic frequency (f)/0–400 Hz and amplitude (A)/0–1400 Pa on nitrogen oxides (NOx) emissions of a partially premixed flame were investigated experimentally.
Kai Deng   +4 more
doaj   +1 more source

Fire Spread Characteristics of Metal-Polyethylene Sandwich Panels

open access: yesBuildings, 2021
An experimental study was conducted to determine the characteristics of the flame spread and droplets of metal-polyethylene (PE) sandwich panels during combustion.
Ru Zhou   +5 more
doaj   +1 more source

An analytical model based on radiative heating for the determination of safety distances for wildland fires [PDF]

open access: yes, 2011
International audienceThe radiative heat transfer is often the main thermal impact of a wildfire on people fighting the fire or on structures. Thus, the estimation of the radiation coming from the fire font and hitting a target is of primary importance ...
Leroy-Cancellieri, V.   +3 more
core   +3 more sources

Flame Propagation on the Surfaces of Rapidly Rotating Neutron Stars during Type I X-ray Bursts [PDF]

open access: yes, 2013
We present the first vertically resolved hydrodynamic simulations of a laterally propagating, deflagrating flame in the thin helium ocean of a rotating accreting neutron star.
Braithwaite, Jonathan   +3 more
core   +3 more sources

Effect of CO2 Dilution on the Structure and Emissions from Turbulent, Non-premixed Methane-Air Jet Flames [PDF]

open access: yes, 2017
This investigation gives a comparison of the variation of temperature and gas compositions in lifted, turbulent non-premixed methane–air jet flames firing vertically into still air with different carbon dioxide diluent concentrations in the fuel jet. The
Erete, JI   +5 more
core   +1 more source

Flame-Length of Coal-Gas [PDF]

open access: yesNature, 1881
I HAVE recently measured the flame-length of a sample of coal-gas burning in air and burning in nitrous oxide (N2O). The flame-length in air was 1/1 3/0ths of an inch and 5/10 ths in nitrous oxide. The relation of 5 to 13 is very close to what my theory would suggest, and is a confirmation of my law published in your issue of April 7.
openaire   +1 more source

Study on the Combustion Process of Premixed Methane Flames with CO2 Dilution at Elevated Pressures

open access: yesEnergies, 2019
The article presents the results of experimental and numerical investigation of turbulent premixed methane flames diluted by carbon dioxide (up to 30%) at atmospheric and elevated pressures (up to 0.5 MPa).
Rafał Ślefarski
doaj   +1 more source

Effect of cross airflow on the flame geometrical characteristics and flame radiation fraction of ethylene jet fires with carbon dioxide addition

open access: yesApplications in Energy and Combustion Science, 2022
Achieving carbon peaking and carbon neutrality is crucial to accelerating the construction of ecological civilization and promoting high-quality national development.
Fei Tang   +3 more
doaj   +1 more source

Study on Combustion Oscillation of Premixed Flame with Pilot Fuel at Elevated Pressures

open access: yesJournal of Thermal Science and Technology, 2009
Acoustically-coupled combustion oscillation is studied for premixed flame with pilot fuel to be used in gas turbine combustors. Premixed gas is passed through swirl vanes and burnt with the centrally injected pilot fuel.
Masaya OHTSUKA   +3 more
doaj   +1 more source

Influence of U-shaped structure on upward flame spread and heat transfer behaviors of PMMA used in building thermal engineering

open access: yesCase Studies in Thermal Engineering, 2020
Both experimental and theoretical study on upward flame spread and heat transfer behaviors of PMMA (polymethyl methacrylate) under different U-shaped structure factors (Π) was conducted. The main results are as follows. The progress of pyrolysis front is
Weiguang An   +5 more
doaj   +1 more source

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