Results 1 to 10 of about 17,288,719 (187)

Asymptotic Analysis on High-temperature Premixed Flames: Instability of Flame Fronts under the Constant-enthalpy Conditions

Journal of Thermal Science and Technology, 2010
Asymptotic analysis on premixed flames with high-temperature combustible mixtures was performed to elucidate the instability of flame fronts. Planar premixed flames with sufficiently low Mach numbers were treated, and a one-step irreversible chemical ...
Satoshi KADOWAKI
doaj   +3 more sources

Laminar flame speed measurements and laser absorption characterization of high-temperature, premixed ethane–air flames

Applications in Energy and Combustion Science
Laminar flame speed, temperature, and pressure measurements were conducted in high-temperature, spherically expanding ethane–air flames. The experiments were conducted in a shock tube, which allows access to a high-temperature regime previously under ...
Alison M. Ferris, Julian J. Girard, Adam J. Susa, Ronald K. Hanson   +3 more
doaj   +2 more sources

Effects of the Unburned-Gas Temperature and Lewis Number on the Intrinsic Instability of High-Temperature Premixed Flames

Journal of Thermal Science and Technology, 2011
The effects of the unburned-gas temperature and Lewis number on the intrinsic instability of high-temperature premixed flames under the constant-enthalpy conditions were investigated by two-dimensional unsteady calculations of reactive flows.
Satoshi KADOWAKI, Masafumi YAHATA, Hideaki KOBAYASHI   +2 more
doaj   +6 more sources

Feasibility analysis of carbon nanofiber synthesis and morphology control using a LPG premixed flame [PDF]

Beilstein Journal of Nanotechnology
Flame synthesis using liquefied petroleum gas (LPG) as the precursor gas to produce carbon nanofibers (CNFs) is an economical alternative to conventional chemical vapor deposition methods using single-component fuels such as methane and ethylene.
Iftikhar Rahman Bishal, Muhammad Hilmi Ibrahim, Norikhwan Hamzah, Mohd Zamri Mohd Yusop, Faizuan Bin Abdullah, I Putu Tedy Indrayana, Mohd Fairus Mohd Yasin   +6 more
doaj   +2 more sources

Numerical investigation of the premixed V-flame stabilization and blowout [PDF]

مهندسی مکانیک شریف, 2021
Global warming and high fossil fuel consumption increase the application of the low-Nox burner with lean-premixed combustion. However, this type of combustion is more susceptible to thermoacoustic instabilities.
N. Nabatian
doaj   +1 more source

Suppression characteristics of multi-layer metal wire mesh on premixed methane-air flame propagation

Frontiers in Materials, 2023
Metal wire mesh is widely used in the energy industry for its excellent protective properties as a fire stopping and explosion isolating material. In this study, the suppression characteristics of different layers of metal mesh on the dynamic behavior of
Xiangrui Feng, Hongming Zhang, Hongming Zhang, Fangyuan Si, Jiawei Dou, Mingxuan Li, Long Wu, Shengkang Wang, Lanming Zhao   +8 more
doaj   +1 more source

Numerical Investigation on the Flame Structure and CO/NO Formations of the Laminar Premixed Biogas–Hydrogen Impinging Flame in the Wall Vicinity

Energies, 2021
The near-wall flame structure and pollutant emissions of the laminar premixed biogas-hydrogen impinging flame were simulated with a detailed chemical mechanism.
Zhilong Wei, Lei Wang, Hu Liu, Zihao Liu, Haisheng Zhen   +4 more
doaj   +1 more source

The effects of steam addition on the unstable behavior of hydrogen-air lean premixed flames under the adiabatic and non-adiabatic conditions

Nihon Kikai Gakkai ronbunshu, 2021
The effects of steam addition on the unstable behavior of hydrogen-air lean premixed flames under the adiabatic and non-adiabatic conditions were investigated using numerical calculations.
Taisei FURUYAMA, Thwe Thwe Aung, Toshiyuki KATSUMI, Hideaki KOBAYASHI, Satoshi KADOWAKI   +4 more
doaj   +1 more source

Experimental Study on the Stabilization Mechanism of Diffusion Flames in a Curved Impinging Spray Combustion Field in a Narrow Region

Energies, 2021
HVAF (High Velocity Air Flame) flame spraying can generate supersonic high-temperature gas jets, enabling thermal spraying at unprecedented speeds. However, there is a problem with the energy cost of this device.
Hideo Kawahara, Konosuke Furukawa, Koichiro Ogata, Eiji Mitani, Koji Mitani   +4 more
doaj   +1 more source

Ultrafine Particulate Matter in Methane-Air Premixed Flames With Oxygen Enrichment

Frontiers in Mechanical Engineering, 2021
A complementary computational and experimental study is carried out on the formation of ultrafine particulate matter in premixed laminar methane air flames.
Shruthi Dasappa, Shruthi Dasappa, Joaquin Camacho   +2 more
doaj   +1 more source