Results 291 to 300 of about 1,445,599 (361)
Valorization of Velvet Bean Pod Agricultural Residues in Recycled HDPE Composites: The Role of Recycling Cycles and Maleic Anhydride. [PDF]
ACS OmegaJansri E, O-Charoen N, Kampeerapappun P.
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Fuel, 2021
Abstract The flame height and lift-off height of the turbulent jet diffusion flame of gas mixture at ambient temperature and pressure were studied. Different diameter nozzles (2, 3 and 4 mm), heat release rates, and concentrations of carbon dioxide (CO2) were considered. The flow rates of propane (C3H8) and CO2 were controlled by two rotameters.
C. Tao +5 more
semanticscholar +2 more sources
Abstract The flame height and lift-off height of the turbulent jet diffusion flame of gas mixture at ambient temperature and pressure were studied. Different diameter nozzles (2, 3 and 4 mm), heat release rates, and concentrations of carbon dioxide (CO2) were considered. The flow rates of propane (C3H8) and CO2 were controlled by two rotameters.
C. Tao +5 more
semanticscholar +2 more sources
Multicomponent pool fires: Trends in burning rate, flame height, and flame temperature
Fuel, 2021Abstract The composition of a multicomponent pool fire will vary over the course of burning due to preferential distillation of more volatile compounds. As a result, key fire properties like the burning rate, flame temperature, flame height, and soot emissions will change as the properties of the fuel change.
Aaron Yip, J. Haelssig, M. Pegg
semanticscholar +2 more sources
Tunnelling and Underground Space Technology, 2021
Abstract A series of fire tests was carried out to investigate the diffusion flame characteristics of double fires generated from separated burners in a naturally ventilated tunnel, considering different heat release rates and fire separation distances.
Kun He +6 more
semanticscholar +2 more sources
Abstract A series of fire tests was carried out to investigate the diffusion flame characteristics of double fires generated from separated burners in a naturally ventilated tunnel, considering different heat release rates and fire separation distances.
Kun He +6 more
semanticscholar +2 more sources
A Physical Model for Flame Height Intermittency
Fire Technology, 2018In this paper, a simple physical model for flame height intermittency in buoyant diffusion flames is proposed. We use dimensional analysis to link existing relations for the pulsation period of diffusion flames and the burnout time of discrete volumes of gaseous fuel. From this analysis, relationships for flame height and intermittency as a function of
Trevor B. Maynard, Jonathan W. Butta
semanticscholar +3 more sources
Fire Plumes, Flame Height, and Air Entrainment
, 2016Practically all fires go through an important, initial stage in which a coherent, buoyant gas stream rises above a localized volume undergoing combustion into surrounding space of essentially uncontaminated air. This stage begins at ignition, continues through a possible smoldering interval, into a flaming interval, and may be said to end prior to ...
G. Heskestad
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Measurement science and technology, 2022
A computationally-supported experimental technique is presented, to measure height of luminous flames, using convolution and density-based spatial clustering for image processing.
J. D. De León-Ruiz +4 more
semanticscholar +1 more source
A computationally-supported experimental technique is presented, to measure height of luminous flames, using convolution and density-based spatial clustering for image processing.
J. D. De León-Ruiz +4 more
semanticscholar +1 more source
Fire and Materials, 2021
The remote ignition and accelerated flame spread in multiple fires accidents are mainly due to the thermal radiation. The merged flame height and external radiative heat flux distribution of the square fire arrays were investigated numerically. Different
Longxing Yu, H. Wan, J. Ji
semanticscholar +1 more source
The remote ignition and accelerated flame spread in multiple fires accidents are mainly due to the thermal radiation. The merged flame height and external radiative heat flux distribution of the square fire arrays were investigated numerically. Different
Longxing Yu, H. Wan, J. Ji
semanticscholar +1 more source
Fire Safety Journal, 2004
Abstract A “chemical” flame height has been defined from the ratio of CO to CO 2 yields, y CO / y CO 2 , and has been shown to be functionally identical with previous results based on flame luminosity. The chemical flame heights have been determined for propane and acetylene data for fire Froude numbers, Q * , ranging from 0.1 to 60,000.
Jeffrey S Newman +1 more
openaire +1 more source
Abstract A “chemical” flame height has been defined from the ratio of CO to CO 2 yields, y CO / y CO 2 , and has been shown to be functionally identical with previous results based on flame luminosity. The chemical flame heights have been determined for propane and acetylene data for fire Froude numbers, Q * , ranging from 0.1 to 60,000.
Jeffrey S Newman +1 more
openaire +1 more source