Results 31 to 40 of about 2,274 (204)

Crystallization of Water Mediated by Carbon

open access: yesGeophysical Monograph Series, Page 77-86., 2020

This book is Open Access. A digital copy can be downloaded for free from Wiley Online Library.

Explores the behavior of carbon in minerals, melts, and fluids under extreme conditions

Carbon trapped in diamonds and carbonate-bearing rocks in subduction zones are examples of the continuing exchange of substantial carbon ...
Tianshu Li, Yuanfei Bi, Boxiao Cao
wiley  

+1 more source

Stochastic Simulation of Soot Formation Evolution in Counterflow Diffusion Flames

open access: yesJournal of Nanotechnology, 2018
Soot generally refers to carbonaceous particles formed during incomplete combustion of hydrocarbon fuels. A typical simulation of soot formation and evolution contains two parts: gas chemical kinetics, which models the chemical reaction from hydrocarbon ...
Xiao Jiang   +4 more
doaj   +1 more source

Effects of hydrogen addition on soot formation in iso-octane pyrolysis behind a reflected shock wave

open access: yesJournal of Thermal Science and Technology, 2016
In the present paper, soot formation process was studied in pyrolysis of iso-octane added hydrogen highly diluted with argon in the temperature range of 1800-2600 K and in the pressure of 1.2 ± 0.1 MPa behind a reflected shock wave. As a test gas, 1% iso-
Takumi MURATA, Kazuhiro ISHII
doaj   +1 more source

Soot Emission Reduction in a Biogas-DME Hybrid Dual-Fuel Engine

open access: yesApplied Sciences, 2020
Combustion characteristics and harmful emissions with emphasized soot emission in the new concept of a biogas-dimethyl ether (DME) hybrid dual-fuel engine were analyzed.
Bui Van Ga, Pham Quoc Thai
doaj   +1 more source

Numerical investigation to evaluate the effects of gravity and pressure on flame structure and soot formation of turbulent non-premixed methane-air flame

open access: yesPropulsion and Power Research, 2022
In this study, a turbulent non-premixed (diffusion) methane-air flame has been investigated computationally to analyze the influences of pressure and gravity on flame structure and sooting characteristics between 1 and 10 atm.
Subrat Garnayak   +6 more
doaj   +1 more source

CFD studies of soot production in a coflow laminar diffusion flame under conditions of micro-gravity in fire safety

open access: yesJournal of Taibah University for Science, 2017
This work which is in the fire safety framework is focused on a numerical study of the production of soot in a laminar diffusion flame, under different conditions of micro-gravity in unsteady regime. It is intended to evaluate the temperature and rate at
Arnaud Mbainguebem   +2 more
doaj   +1 more source

Effect of H2/CO addition on soot formation in ethylene diffusion flame

open access: yesFrontiers in Energy Research
Coupling the San Diego gas phase reaction mechanism and the Moss Brookes soot model using FLUENT14.0 software, the effect of adding H2/CO on the fuel side on soot formation in an ethylene/air laminar diffusion flame was studied.
Yindi Zhang   +7 more
doaj   +1 more source

Experimental and simulation investigation of 3-D soot temperature and volume fraction fields of afterburner flame

open access: yesCase Studies in Thermal Engineering, 2022
The temperature and soot volume fraction in afterburn flame are very important parameters in flame analysis and burner design. A novel method that combines the 3-D emission measurement technique and the camera position and attitude calibration by using ...
Minglu Dai   +4 more
doaj   +1 more source

A comparison of experimental results of soot production in laminar premixed flames

open access: yesOpen Engineering, 2015
Soot emission has been the focus of numerous studies due to the numerous applications in industry, as well as the harmful effects caused to the environment.
Caetano Nattan R.   +6 more
doaj   +1 more source

Experimental study on soot formation and primary particle size in oxy-combustion ethylene diffusion flames under CO2 substitution for N2

open access: yesCase Studies in Thermal Engineering, 2023
This paper reports an experimental study on the effects of O2 concentration and CO2 concentration on soot volume fraction and primary particle size of flame centre in ethylene laminar co-diffusion flame.
Yindi Zhang   +4 more
doaj   +1 more source

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