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Novel R-CNN and transformer models for pollution impacts and land cover changes around iconic heritage sites in developing countries: a case study. [PDF]
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Temperature and soot concentration in a high soot density flame
International Journal of Heat and Mass Transfer, 1996Abstract The emissivity of a particulate flame which contains interacting soot particles of size parameters larger than Rayleigh limit and up to Penndorf extension is derived. The flame is assumed to be heavily charged with soot particles and radiation from the flame is mainly dominated by that emitted or absorbed by particles.
M.A. Al-Nimr, V.S. Arpaci, Y.S. Najjar
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Soot Concentration Interference Measurement System Caused by Multidispersion Soot Different Position
Applied Mechanics and Materials, 2014One of the pollutant emission parameters is soot emission concentration. The light intensity scattering method is commonly used in monitoring the soot emission concentration. The distance between the sensor and the soot is different; the sensor acceptance scattering light angle range of the different position multidispersion soot is different and the ...
Yan Jun Zhao, Cheng Bin Gao, Bin Qu
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SAE Technical Paper Series, 2018
<div class="section abstract"><div class="htmlview paragraph">In an optically accessible high-pressure/high-temperature (HP/HT) chamber, OH radicals, soot concentration, and OH<sup>*</sup> chemiluminescence images were captured simultaneously at a constant ambient temperature of 823 K and a gas density of 20 kg/m<sup>3</
Chengjun Du, Mats Andersson
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<div class="section abstract"><div class="htmlview paragraph">In an optically accessible high-pressure/high-temperature (HP/HT) chamber, OH radicals, soot concentration, and OH<sup>*</sup> chemiluminescence images were captured simultaneously at a constant ambient temperature of 823 K and a gas density of 20 kg/m<sup>3</
Chengjun Du, Mats Andersson
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Lasers, Sources and Related Photonic Devices, 2010
Two-dimensional laser-induced incandescence has been used to quantify soot properties in strongly sooting turbulent nonpremixed flames fueled by ethylene and JP-8 surrogate, despite strong laser attenuation and signal trapping.
Christopher R. Shaddix +2 more
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Two-dimensional laser-induced incandescence has been used to quantify soot properties in strongly sooting turbulent nonpremixed flames fueled by ethylene and JP-8 surrogate, despite strong laser attenuation and signal trapping.
Christopher R. Shaddix +2 more
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Measurement of the soot concentration and soot particle sizes in propane oxygen flames
Symposium (International) on Combustion, 1981Soot concentrations and particle sizes were measured by light scattering and probe measurements in the burnt gas region of atmospheric pressure propane-oxygen flames and propane-oxygen flames to which hydrogen or ammonia were added. The results show that the soot concentrations in propane-oxygen flames, to which hydrogen is added are lower compared to ...
H. Bockhorn +4 more
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Control of Soot Concentration in Oil
2017This chapter considers the control of the oil contamination, by products of incomplete combustion (soot). Up-to-date requirements which set the necessity of development of portable monitoring devices built in the car lubrication system are considered.
Nikolai K. Myshkin, Liubou V. Markova
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Advanced Materials Research, 2012
The soot emission concentration of the stationary pollution sources is one of the important measurement parameters of the atmosphere pollution CEMS. The monodispersion soot position can affect the original measurement light intensity and reduce the soot concentration measurement accuracy.
Yan Jun Zhao +3 more
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The soot emission concentration of the stationary pollution sources is one of the important measurement parameters of the atmosphere pollution CEMS. The monodispersion soot position can affect the original measurement light intensity and reduce the soot concentration measurement accuracy.
Yan Jun Zhao +3 more
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Oxidation of Acetylene Soot: Influence of Oxygen Concentration
Energy & Fuels, 2007Soot was produced from acetylene pyrolysis at 1100 °C using 50 000 ppmv acetylene. At 900 and 1100 °C, the influence of the oxygen concentration in a range of 100–30 000 ppmv was analyzed.
T. Mendiara +3 more
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