Results 11 to 20 of about 1,914 (182)

Spherical Diffusion Flames of Ethylene in Microgravity: Multidimensional Effects

Fire, 2023
The joint American–Russian Space Experiment Flame Design (Adamant) was implemented on the International Space Station (ISS) in the period from 2019 to 2022.
Sergey M. Frolov, Vladislav S. Ivanov, Fedor S. Frolov, Ilya V. Semenov   +3 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

Conceptual Limitations of the Probability Density Function Method for Modeling Turbulent Premixed Combustion and Closed-Form Description of Chemical Reactions’ Effects

Fluids, 2021
In this paper, we critically analyzed possibilities of probability density function (PDF) methods for the closed-form description of combustion chemical effects in turbulent premixed flames.
Vladimir L. Zimont
doaj   +1 more source

Experimental investigation of heat transfer characteristics of an inverse diffusion flame in a coaxi

Journal of Thermal Engineering, 2022
Heat transfer by flame jet impingement is widely used in many of the industrial and domestic applications like heating metal bars, scrap melting, shaping the glass, metal slab cutting, domestic cooking and others.
Shankar BADIGER, Vadıraj V. KATTI, T.r. ANIL   +2 more
doaj   +1 more source

Case study for swirling flow and porous media on triple coaxial ports inverse diffusion flame

Alexandria Engineering Journal, 2022
In this study, the effects of swirling flow and porous media of triple coaxial ports inverse diffusion flame (TCP-IDF) on the flame shape, temperature and gas emissions are studied.
Ashraf Kotb, Mahmoud M. Kamal, Amr Baghdady, Hany Saad   +3 more
doaj   +1 more source

Effect of Equivalence Ratio on Flame Morphology, Thermal and Emissions Characteristics of Inverse Diffusion Porous Burner [PDF]

Journal of Applied Fluid Mechanics
The diffusion porous media combustion is one possible way to eliminate the drawbacks of the existing combustion systems. Inverse diffusion flame (IDF) has features of both premixed and non-premixed flames.
A. Dekhatawala, P. V. Bhale, R. Shah
doaj   +1 more source

Influence of carbon dioxide and steam on temperature field formed by inverse diffusion flame of gasified-gas of woody biomass

Nihon Kikai Gakkai ronbunshu, 2018
Partial combustion is applied for tar reduction in the gasified-gas of woody biomass. An inverse diffusion flame was formed in partial-combustion-type gas reformer.
Zhiren BAI, Noriaki NAKATSUKA, Jun HAYASHI, Fumiteru AKAMATSU   +3 more
doaj   +1 more source

Thermal Characteristics Comparison between Normal Diffusion Flame and Concentric Inverse and Normal Diffusion Flame Burners in Ribbing Furnace [PDF]

The Egyptian International Journal of Engineering Sciences and Technology
This investigation is accomplished experimentally to study the use of two different shapes of annular-ribs (triangle and square shape) on the flowrate of heat transfer, and combustion characteristics for both normal diffusion NDB and concentric inverse ...
Ashraf Kotb, Hany Saad
doaj   +1 more source

Effects of the upward-increasing gradient magnetic field on soot properties in ethylene inverse diffusion flames with different oxygen concentrations

Frontiers in Energy Research, 2022
The effects of the upward-increasing gradient magnetic field on soot properties are experimentally investigated in ethylene inverse diffusion flames with different oxygen concentrations.
Yaoyao Ying, Yaoyao Ying, Jiaqi Duan, Jiaqi Duan, Dong Liu, Dong Liu   +5 more
doaj   +1 more source

The research on NOx formation in MILD combustion of primary combustion gas in waste incinerator

Nihon Kikai Gakkai ronbunshu, 2021
The flame structure and NOx formation of the inversed diffusion flame (IDF) and MILD combustion formed in the secondary combustion area of waste incinerator were experimentally investigated in order to clarify the NOx generation mechanism in the waste ...
Shuo TIAN, Noriaki NAKATSUKA, Tsukasa HORI, Jun HAYASHI, Fumiteru AKAMATSU   +4 more
doaj   +1 more source