Results 1 to 10 of about 5,704 (215)

Characteristics of biogas-oxygen micro counterflow diffusion flames

Nihon Kikai Gakkai ronbunshu, 2015
The characteristics of biogas-oxygen diffusion flames were experimentally investigated using small counterflow burners, where the apparent equivalence ratio was set to unity.
Satoshi KADOWAKI, Go OKUMURA, Ryutaro NUMATA, Toshiyuki KATSUMI   +3 more
doaj   +3 more sources

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

Journal 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, Ruben Mouangue, Barthélemy Tikri Bianzeube   +2 more
doaj   +3 more sources

Numerical Study on the Effect of Wall Thickness on the Combustion Characteristics of Non-premixed Hydrogen Micro-jet Flame

Frontiers in Energy Research, 2022
The effect of wall thickness on the combustion characteristics of nonpremixed hydrogen micro-jet flames was studied by two-dimensional numerical computation with a detailed reaction kinetics for the development of hydrogen micro-burner.
Xing Li, Xing Li, Shengrong Xie, Shengrong Xie, Jing Zhang, Daiqing Zhao, Xiaohan Wang   +6 more
doaj   +1 more source

Effect of Burner Wall Material on Microjet Hydrogen Diffusion Flames near Extinction: A Numerical Study

Energies, 2021
Characteristics of microjet hydrogen diffusion flames stabilized near extinction are investigated numerically. Two-dimensional simulations are carried out using a detailed reaction mechanism.
Aravind Muraleedharan, Jithin Edacheri Veetil, Akram Mohammad, Sudarshan Kumar, Ratna Kishore Velamati   +4 more
doaj   +1 more source

Experimental analysis on micro diffusion flames formed by oxygen combustion of H2-CO2 mixture using counterflow burners

Journal of Thermal Science and Technology, 2022
Microscale hydrogen (H2) combustion is one of the promising technologies for renewable miniaturized heat sources. This study analyzes the oxygen combustion of H2 in small-scale counterflow burners, with carbon dioxide (CO2) added for safe hydrogen ...
Daisuke SATO, Shuta NAKACHI, Kaito HONDA, Keisuke OBU, Toshiyuki KATSUMI, Satoshi KADOWAKI   +5 more
doaj   +1 more source

Simulation study of superheating in evaporating droplets of (TTIP + p-xylene) in spray flame synthesis

Applications in Energy and Combustion Science, 2023
Spray flame synthesis is an important technique for the production of metal oxide nanoparticles. Micro-explosions of the burning and evaporating droplet are an important breakup mechanism that is usually necessary in order to achieve a homogeneous ...
Babette Kunstmann, Irenäus Wlokas, Maximilian Kohns, Hans Hasse   +3 more
doaj   +1 more source

The time dependent investigation of methane-air counterflow diffusion flames with detailed kinetic and pollutant effects into a micro/macro open channel

Case Studies in Thermal Engineering, 2020
In the present study, time-dependent numerical analysis of methane-air counterflow diffusion flame into a selected macro/micro open channel is investigated.
Ali Edalati-nejad, Sayyed Aboozar Fanaee, Maryam Ghodrat, Fatemeh Salehi, Javad Khadem   +4 more
doaj   +1 more source

A novel diffusion flux modeling for laminar premixed flame simulation with OpenFOAM

Results in Engineering, 2023
In this study, we developed a mass diffusion coefficient model for premixed combustion to reduce the computational time, in mixture-averaged diffusivities to serve as a microcomputer resource.
Panit Kamma, Chakrit Suvanjumrat
doaj   +1 more source

Numerical Investigations of Micro-Scale Diffusion Combustion: A Brief Review

Applied Sciences, 2019
With the increasing global concerns about the impacts of byproducts from the combustion of fossil fuels, researchers have made significant progress in seeking alternative fuels that have cleaner combustion characteristics.
P. R. Resende, Mohsen Ayoobi, Alexandre M. Afonso   +2 more
doaj   +1 more source

A numerical investigation of effects of chemical kinetic mechanisms on the structure of turbulent jet diffusion H2/air flame with Lagrangian PDF method

Journal of Mechanical Engineering and Sciences, 2023
Many physical phenomena characteristic of reactive flows are controlled by the detail of the chemical kinetics of combustion. These include, for example, the ignition and extinction of a flame and the formation of polluting species.
Senouci Mohammed , Abdelhamid BOUNIF, Habib MEROUANE, Mohamed BOUKHELEF   +3 more
doaj   +1 more source