The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
The goal of this paper is to investigate the effect factors on HiTAC of biogas, which is composed by CO, H2, CO2, etc. These factors mainly include O2 concentration in oxidant, several dilutes (N2, H2O and CO2), and strain rate a. The numerical analysis was carried out by means of Oppdif application of ChemKin package by using the GRI 3.0 oxidation mechanisms. Oppdif computes the diffusion flame between...
An effervescent nozzle was designed to solve the combustion problems of the high viscosity oils. Experimental study on its atomization and flow characteristics about operation parameters was performed. It was found that the atomization quality is better in the conditions that ALR (air-to-liquid mass ratio) is 0.001~0.012 and the air to liquid pressure ratio is 1~1.1. Empirical formulas of ALR and...
Interest in fuel cells in recent years has promoted the development of hydrogen sources. Methane is an optimal fuel for hydrogen production due to its rich resource and its high ratio of hydrogen to carbon. Computational fluid dynamics (CFD) combined with detailed chemical kinetics was employed to model the super adiabatic combustion of a premixed gas of methane/air in this new style reactor with...
With the background of the normal energy drying out, the utilization of low caloric value fuel is becoming more and more important. The Swiss-roll combustor is very applicable to low caloric value gas fuel. In order to make the combustor satisfied to combust the changing concentration low heat value gas fuel, the paper improves the conventional-scale Swiss-roll burner in which the SiC porous media,...
In order to study the characteristics of a new two-stage dry feed gasifier with multi underneath nozzles jetting tangentially, numerical simulation and analysis of the gasifier for high ash melting point pulverized coal was conducted based on Fluent. A comprehensive mathematical model for simulation of pulverized coal gasifier has been developed in this paper, chemical process was described with presumed...
Flameless combustion was first to developed suppress thermal NOx formation and raise the efficiency of combustion. Now in further research, three different combustion technologies can be used to achieve flameless combustion those are high temperature air combustion (HTAC), normal temperature air combustion (NTAC) and oxy-fuel flameless combustion. This paper presents a description of the three different...
Cold state experiment on a Swiss-roll combustor was performed. The effects of wind speed and the number of channels on pressure drop were tested. Results showed that the pressure in the channels of the combustor increase with the increase of the distance from the inlet of gas. The local resistance caused by the bend angle affects on-way resistance very much. The total pressure drop increases with...
In this article, a Swiss-Roll structure burner based on excess enthalpy combustion is designed. It uses the combusted gas to heat up the ventilation air methane (VAM), which can increase the VAM combustion margin. Steam is used to get the heat, and the heated steam can drive steam turbine to generate electricity and it is also an important way to control the combustion zone in the porous material,...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.